[hibernate-commits] Hibernate SVN: r11725 - core/branches/Branch_3_1 and 1 other directory.

Author: steve.ebersole(a)jboss.com Date: 2007-06-19 12:56:21 -0400 (Tue, 19 Jun 2007) New Revision: 11725 Added: core/branches/Branch_3_1/changelog.txt Removed: branches/Branch_3_1/Hibernate3/changelog.txt Log: starting svn layout migration testing Deleted: branches/Branch_3_1/Hibernate3/changelog.txt =================================================================== --- branches/Branch_3_1/Hibernate3/changelog.txt 2007-06-19 16:56:14 UTC (rev 11724) +++ branches/Branch_3_1/Hibernate3/changelog.txt 2007-06-19 16:56:21 UTC (rev 11725) @@ -1,2051 +0,0 @@ -Hibernate Changelog -=================== -Note: Newer entries are automatically generated and the description might not -match the actual issue resolution (i.e. a bug might not be a bug). Please -refer to the particular case on JIRA using the issue tracking number to learn -more about each case. - -Changes in version 3.1.3 (2006.03.20) -------------------------------------------- - -** Bug - * [HHH-535] - properties element causes exception in interface/abstract class - * [HHH-1236] - Remove static reference to classloader, to avoid memory leak at webapp reload - * [HHH-1248] - explicit joins to collections in subquery result in join conditions being dropped from sql - * [HHH-1287] - Problem with WAS ExtendedJTATransaction not available when using MDB - * [HHH-1325] - ArrayOutOfBounds expected in DatabaseMetadata.isTable when specifing schema - * [HHH-1419] - Update + Exists doesn't seem to work - * [HHH-1433] - many-to-many with additional 'with' join clause generates bad sql - * [HHH-1435] - many-to-one lazy seems to be broken in 3.1.x - * [HHH-1445] - SchemaUpdate closes shared ConnectionProvider - * [HHH-1453] - Broken exception handling in NullableType - * [HHH-1464] - QueryException from Query.getReturnAliases when query uses "fetch" - * [HHH-1486] - Concurrent access issues with both SoftLimitMRUCache and SimpleMRUCache - * [HHH-1489] - mapped composite is is always assumed as transient - * [HHH-1508] - Session.createQuery() should not flush the session - * [HHH-1531] - NPE with many-to-many and property-ref - * [HHH-1546] - generated version properties fail with multiple actions per flush - -** Improvement - * [HHH-1430] - More complete TransactionManager in GlassFish (SunOne 9) and 8 - * [HHH-1516] - support DataDirect standard jdbc stored procedures - * [HHH-1520] - with clause with implied joins within an explicit join - * [HHH-1526] - Improved DTDEntityResolver - * [HHH-1540] - Better Error Feedback In CollectionEntry.postFlush(PersistentCollection) - * [HHH-1555] - ConnectionReleaseMode.AFTER_STATEMENT and flushes - -** New Feature - * [HHH-1251] - Avoid replicating the clearing of TreeCache on SessionFactory..close() - - -Changes in version 3.1.2 (01.27.2006) -------------------------------------------- - -** Bug - * [HHH-73] - Statistics for HQL queries use pre-processed query string - * [HHH-1306] - HQL parsing problem with join fetching of arrays/collections of values - * [HHH-1370] - Warning in hibernate-mapping-3.0.dtd - * [HHH-1371] - MappingException is thrown when the same column is referenced with different case - * [HHH-1386] - Numeric (long) literals not properly handled by HQL parser - * [HHH-1390] - Session.isOpen() throws exeception when the session is closed with ThreadLocalSessionContext - * [HHH-1391] - Invalid parameter index SQLException when using named parameters after positional parameters - * [HHH-1392] - Proxies cannot be serialized after session is closed - * [HHH-1398] - extends and entity-names broken with mapping-level package attribute - * [HHH-1407] - return-join broken for entity collections - -** Improvement - * [HHH-1364] - Defensive check of isClosed when obtaining a connection from ConnectionManager - * [HHH-1367] - warn level log "this operation breaks ==" may be disturbing - -** New Feature - * [HHH-1372] - Support for MySQL5 new varchar length - -** Patch - * [HHH-1005] - Criteria LEFT JOIN capability when adding Order to associations - -** Task - * [HHH-1373] - Document update versioned - - -Changes in version 3.1.1 (01.13.2006) -------------------------------------------- - -** Bug - * [HHH-853] - DML-style HQL queries and associations - * [HHH-1281] - FORWARD_ONLY ScrollableResults#next() throw GenericJDBCException - * [HHH-1286] - Set entity in HQL query without prefix -> incorrect SQL - * [HHH-1308] - Session.createFilter(...).iterate() results in bogus column names for result set extraction - * [HHH-1314] - float/double literals not sent to the database correctly - * [HHH-1316] - SchemaUpdate : java.sql.SQLException: You cannot commit during a managed transaction! - * [HHH-1328] - org.hibernate.util.SimpleMRUCache keeps a soft reference to the cache key, so cached values get collected prematurely - * [HHH-1336] - ForeignGenerator does not handle transient entities with an entity-name properly - * [HHH-1337] - Mapped <component> generated column names incorrect with ImprovedNamingStrategy - * [HHH-1349] - HQL delete statement problem due to oracle lacking table aliases in delete clause - * [HHH-1361] - creating temporary table for bulk delete will commit current transaction in managed environment such as J2EE - -** Improvement - * [HHH-1019] - Native SQL return-property mapping doesn't support dot-syntax in return-property for components - * [HHH-1290] - Defensive checking of session status - * [HHH-1302] - query.getReturnTypes inconsistent - * [HHH-1304] - better handling of borrowed connections in non-ON_CLOSE release semantics - * [HHH-1309] - schemaupdate does not handle TableHiLoGenerator - * [HHH-1339] - empty property name in mapping file gives imcomprehensible error message - * [HHH-1344] - ANSI-SQL trim function for SQLServer - * [HHH-1345] - ANSI-SQL mod function for SQLServer - * [HHH-1346] - ANSI-SQL bit_length function for SQLServer - * [HHH-1351] - <return-scalar name="blah"/> should be possible - * [HHH-1360] - set autodiscovery flag for SQLQueries when resultsetmappings are used - - -Changes in version 3.1 (12.12.2005) -------------------------------------------- - -** Bug - * [HHH-849] - Cartesian product + implicit joins - * [HHH-1065] - user provided connection not usable by default due to agressive release changes - * [HHH-1101] - associations join fetched in HQL without owner being selected - * [HHH-1133] - Comparators, defined for collections in mapping files, are not set - * [HHH-1149] - NPE flushing reattached entity w/ non-mutable natural-id - * [HHH-1170] - HQL 'cast' function doesn't work with MySQL 4 when casting to string - * [HHH-1187] - Cannot delete a object having a delete-orphan collection when user_rollback_id is set - * [HHH-1191] - HQL fails backward compatibility using classic translator - * [HHH-1194] - hql delete statements with joined-subclass hierarchies with a mapped where attribute at the root - * [HHH-1206] - Mappings.TableDescription is not serializable - * [HHH-1212] - mismatch in entity-modes defined in DTD and EntityMode class - * [HHH-1227] - ClassCastException on DOM4J replicate of Calendar property - * [HHH-1239] - BinaryArithmeticOperatorNode.getDataType() does not properly handle date/time arithmetic - * [HHH-1240] - Track connection leakage in JDBCContext.afterTransactionCompletion() - * [HHH-1245] - Calling the Session should register it with the current JTA txn. - * [HHH-1254] - Serialization of Sessions using JDBCTransactions with auto-flush/auto-close - -** New Feature - * [HHH-1222] - Autodiscover scalar types in native-sql - * [HHH-1243] - allow placeholders to system properties in config properties - * [HHH-1244] - Support for MySQL5 stored procedures - * [HHH-1260] - Configuration.mergeProperties() - -** Task - * [HHH-1066] - Upgrade CGLIB to fix proxy memory leak - * [HHH-1242] - upgrade ANTLR to 2.7.6rc1 - -** Improvement - * [HHH-860] - insert ... select ... and version numbers - * [HHH-926] - TypeDef should be global - * [HHH-1138] - No ConstraintName when using PostgreSQL - * [HHH-1144] - Implement naming convention for temporary test failures - * [HHH-1153] - PropertiesHelper fails reading primitive values from hibernate-mapping when doc has whitespace - * [HHH-1182] - Access to filter metadata - * [HHH-1183] - Getting sql "plan" for DML operations - * [HHH-1197] - Support for HQL delete on MaxDB - * [HHH-1198] - post-insert event pass the entity wo the id field filled when the generator is identity - * [HHH-1213] - make JACC event listeners auto configurable (through initialize(Configuration)) - * [HHH-1215] - Added support for LVARCHAR in InformixDialect - * [HHH-1218] - Add concat() function support to SAPDBDialect - * [HHH-1255] - ThreadLocalSessionContext and Session serialization - -** Patch - * [HHH-967] - executeUpdate on StatelessSession - * [HHH-1172] - Missing configuration templates for the new MimerSQLDialect - -** Deprecation - * [HHH-1229] - deprecate ability for entities to not define identifier properties - - -Changes in version 3.1 rc3 (17.11.2005) -------------------------------------------- - -** Bug - * [HHH-755] - Setter / Getter for property gDate are wrong - * [HHH-764] - XML mapping - * [HHH-1034] - The connection is closed *outside* the JTA transaction in TransactionHelper - * [HHH-1062] - java:comp/UserTransaction not correct for JBoss - * [HHH-1064] - Exception using JTATransaction in WebSphere 6 - * [HHH-1069] - Unnecessary commas generated in select with left outer joins - * [HHH-1075] - New parser "not exists" command bug - * [HHH-1077] - Typo in docs: "equiped" - * [HHH-1080] - HQL delete fails on entities with where-fragments using operators other than '=' - * [HHH-1081] - missing parens in example code for Criteria Associations - * [HHH-1084] - incorrect method name "sql" in Restrictions example, should be "sqlRestriction" - * [HHH-1091] - Can't write transparent CurrentSessionContext for BMT - * [HHH-1098] - Patch for build.sh to be able to build latest version on linux - * [HHH-1106] - HQL "not in" generatad wrong SQL - * [HHH-1111] - JDBCTransaction.rollback() results in a call to Interceptor.beforeTransactionCompletion() - * [HHH-1128] - Column alias clashes under certain circumstances - * [HHH-1146] - latest cvs(11/10/05) hibernate3 issue with classic query - * [HHH-1156] - StatefulPersistenceContext not serializable when property-ref is used - * [HHH-1160] - Incorrect use of getGeneratedKey() for Oracle - -** New Feature - * [HHH-449] - korean hibernate reference manual - * [HHH-1129] - use expected-type in 'untyped' Query.setParameter() - -** Improvement - * [HHH-221] - Proxy for one-to-one with property-ref - * [HHH-844] - move parameter "bookkeeping" into QueryTranslator - * [HHH-1051] - "Compiled" native SQL queries are not cached - * [HHH-1061] - import.sql should allow more human readable and usable files - * [HHH-1078] - <dynamic-component> requires type on property - * [HHH-1120] - Make NamingStrategy to work nicely with HA and EJB3 naming strategy - * [HHH-1142] - added getSelectSequenceNextValString() and getCurrentTimestampSelectString() to TimesTenDialect - -** Patch - * [HHH-1063] - support for 'locate' function in SQLServer and Sybase dialects - * [HHH-1090] - Allow subqueries on criteria to obtain non-string results - * [HHH-1095] - Hibernate takes incorrect HasCode when a lot of CompositeKeys and Lazy loading is involved - * [HHH-1103] - finalize method filter for proxies - * [HHH-1136] - more meaningful AssertionFailure message in org.hibernate.persister.entity.JoinedSubclassEntityPersister.getTableId(...) - - -Changes in version 3.1 rc2 (17.10.2005) -------------------------------------------- -** Bug - * [HHH-1045] - Example contains inner classes that aren't serializable - * [HHH-1055] - optimistic-lock is not inherited from class to subclass et.al. - -** Improvement - * [HHH-702] - auto detect aliasing for collection properties (coll.key, coll.id etc.) - * [HHH-1038] - make 'auto' the default for hibernate.connection.release_mode - * [HHH-1042] - determine "expected type" of parameters during HQL parsing - - -Changes in version 3.1 rc1 (07.10.2005) -------------------------------------------- -** Bug - * [HHH-528] - component.manyToOne.id in HQL causes join - * [HHH-871] - Configuration.setListener(String type, Object listener) throws ClassCastException - * [HHH-873] - referencing raw HQL FromElement alias outide the from clause of update and delete statements generates incorrect sql - * [HHH-876] - PreparedStatement being closed before being executed by AbstractBatcher - * [HHH-884] - SchemaExport does not propagate parent indexes to <union-subclass> tables - * [HHH-887] - Aggressive release and Session.connection() - * [HHH-893] - custom tuplizer are not instantiated for components - * [HHH-905] - $PlaceHolder$ remains in generated SQL when filter is enabled - * [HHH-907] - optimistic-lock="false" for timestamped object results in SQLException: Invalid column index - * [HHH-908] - CLONE -NullPointerException when using BigInteger in a query - * [HHH-911] - CGLIBLazyInitializer and Exceptions - * [HHH-913] - NPE in CMTTransaction since javax.transaction.Transaction is never set - * [HHH-918] - impossible to move objects to another session - * [HHH-924] - Useless OracleErrorCodeConverter (and possibly others) - * [HHH-932] - HQL UPDATE and <union-subclass> - * [HHH-946] - QuerySyntaxException might not be serializable - * [HHH-964] - ORA-00936 with joined subclass / Oracle - * [HHH-986] - Need to check Thread.currentThread().getContextClassLoader() in ConfigHelper - * [HHH-991] - Cannot use comparator class - * [HHH-1000] - varchar(xxx char) not supported on Oracle8i - -** New Feature - * [HHH-950] - interface for SessionFactory.getCurrentSession() handling - - -** Improvement - * [HHH-608] - update HSQLDialect for HSQL 1.8 sequence support - * [HHH-889] - Add read-only cache-mode comment in <query and <sql-query - * [HHH-898] - OracleDialect UTF8 varchar2 - * [HHH-909] - Onquoted primary key in IncrementGenerator - * [HHH-988] - generated="never|insert|always" - * [HHH-989] - add discussion of implicit and explcit joins - * [HHH-1011] - Make disconnect/reconnect of a Session implicit - -** Patch - * [HHH-994] - Sybase/SQLServer support for temporary tables - - -Changes in version 3.1 beta 3 (13.09.2005) -------------------------------------------- -** Bug - * [HHH-528] - component.manyToOne.id in HQL causes join - * [HHH-871] - Configuration.setListener(String type, Object listener) throws ClassCastException - * [HHH-873] - referencing raw HQL FromElement alias of update and delete statements - * [HHH-876] - PreparedStatement being closed before being executed by AbstractBatcher - * [HHH-884] - SchemaExport does not propagate parent indexes to <union-subclass> tables - * [HHH-887] - Aggressive release and Session.connection() - * [HHH-893] - custom tuplizer are not instantiated for components - * [HHH-905] - $PlaceHolder$ remains in generated SQL when filter is enabled - * [HHH-907] - optimistic-lock="false" for timestamped object results in SQLException: Invalid column index - * [HHH-908] - NullPointerException when using BigInteger in a query - * [HHH-911] - CGLIBLazyInitializer and Exceptions - * [HHH-913] - NPE in CMTTransaction since javax.transaction.Transaction is never set - * [HHH-918] - impossible to move objects to another session - * [HHH-924] - Removed ErrorCodeConverters - * [HHH-946] - QuerySyntaxException might not be serializable - -** Improvement - * [HHH-898] - OracleDialect UTF8 varchar2 - * [HHH-909] - Unquoted primary key in IncrementGenerator - - -Changes in version 3.1 beta 2 (16.08.2005) -------------------------------------------- -** Bug - * [HHH-477] - Boolean discriminators generate invalid SQL for PostgreSQL dialect - * [HHH-480] - SchemaExportTask ignores some properties not defined in hibernate.properties - * [HHH-615] - SchemaExport outputFile ignores ant's basedir - * [HHH-770] - hql query execution generates invalid SQL - * [HHH-779] - Assertion failure occured with Hibernate 3 saving objects - * [HHH-781] - SimpleExpression ignorecase regression - * [HHH-799] - merge() and embedded composite identifiers - * [HHH-801] - subselect fetch and named parameters - * [HHH-802] - querying "mapped" composite identifiers - * [HHH-803] - no version increment from delayed collection adds - * [HHH-805] - Session.getStatistics().getEntityCount() throws UnsupportedOperationException - * [HHH-819] - Firebird CONCAT SQL function - * [HHH-821] - query by natural-id cache is not update when object is inserted or deleted - * [HHH-822] - <key-property> will actually pick up <type> tags if it were allowed by the DTD - * [HHH-825] - ReadWrite-Cache issues NullPointerException after modification of an array - * [HHH-839] - Session.refresh not working for custom 'Load' SQL - * [HHH-849] - Cartesian product + implicit joins - * [HHH-854] - Class with mapped composite id can't have subclasses - * [HHH-858] - Autocommit status inconsistent in connections created by DriverManagerConnectionProvider - * [HHH-863] - Hibernate generates "notExists" instead of "not exists" - * [HHH-868] - Missing parens after / or - - -** New Feature - * [HHH-35] - add attribute haltonerror to schemaexport Ant task - * [HHH-182] - Mimer SQL Dialect for Hibernate 3 - * [HHH-704] - Statistics for optimistic lock failures - * [HHH-725] - Allow hooks into all executed sql by a session - * [HHH-783] - collection lazy="extra" - * [HHH-818] - Optimisitc locking using database current timestamp - * [HHH-828] - session.getTransaction() - * [HHH-829] - <cache include="all|non-lazy" ... /> - * [HHH-831] - allow database generated property values - * [HHH-832] - allow database generated property values for versioning - * [HHH-838] - Transaction.setTimeout() - * [HHH-840] - allow definition of "auxiliary" database objects in mapping - * [HHH-846] - Add Intializable interface for events - * [HHH-848] - Validate mappings against JDBC metadata - * [HHH-859] - post-commit events - -** Improvement - * [HHH-133] - schemaexport task: provide independent drop/create output - * [HHH-135] - parameterized types can't be used on key-property or ir (possible others) - * [HHH-552] - NoopAccessor for HQL-only properties - * [HHH-680] - Easier support for doing UserCollectionType's - * [HHH-686] - Final classes and classes with private null ctors cause unhelpful NullPointerException - * [HHH-754] - Allow HQL DML for implicit polymorphism - * [HHH-782] - Avoid unnecessary updates when component property is update='false' but modified - * [HHH-786] - Improve lazy options for <one-to-one> - * [HHH-791] - Use cascade styles when fetching entities in refresh() and merge() - * [HHH-815] - Confusing use of the term "dereference" - * [HHH-830] - Improvements to caching lazy properties - -** Patch - * [HHH-378] - Better LockMode.UPGRADE for DB2 UDB v8.2 - * [HHH-430] - Improved SizeExpression with greater, lesser, not equals, etc. capabilities - * [HHH-735] - SchemaUpdate reads table metadata from wrong schema - * [HHH-780] - org.hibernate.proxy.BasicLazyInitializer reflection hotspot - * [HHH-864] - Use QUERY_CACHE for sessions with filters to improve performance - - -Changes in version 3.1 beta 1 (21.07.2005) -------------------------------------------- - -** Bug - * [HHH-145] - union-subclass and oracle 8i - * [HHH-374] - EJB3 example delete query doesn't work in Hibernate. - * [HHH-447] - EHCache integration prevents multiple session factories - * [HHH-488] - JACCListeners are not working at all - * [HHH-564] - missing commas for implicit joins - * [HHH-577] - joins within subqueries on dbs supporting ansi-joins result in extraneous commas - * [HHH-592] - cast() function doesn't know its returned Hibernate type - * [HHH-639] - CGLIB instrumentation of subclasses - * [HHH-658] - Bug in Alias Name Generation - * [HHH-671] - Firebird support of sequences/generators - * [HHH-679] - setLockMode(LockMode.UPGRADE_NOWAIT) does not translate to correct SQL on Oracle - * [HHH-688] - Bad implementation in org.hibernate.type.CustomType.stringToObject - * [HHH-691] - generated column alias is incorrect if there is a prior relationship and the table column names are similar to the table name - * [HHH-694] - NPE when accessing the SLCache stats with TreeCache - * [HHH-698] - Exception on EG , trying to change immutable id (natural-id) - * [HHH-699] - Incorrect Tablename genetaion when using MySQL Dialect and no Schema definition - * [HHH-708] - Restrictions.in could not be used properly on composite-ids - * [HHH-709] - ArrayType.replaceElements fails if original.length != target.length - * [HHH-718] - HQL "fetch all properties" not working for column level lazy props - * [HHH-726] - ConstraintViolationException with primitive collection - * [HHH-727] - java.lang.StackOverflowError when cascade="true" on both sides of bidirectional one-to-one association using FK - * [HHH-734] - HQL incorrectly parses certain query strings - * [HHH-736] - Use of sql functions containing space not supported in filter conditions - * [HHH-738] - formula property with select-before-update - * [HHH-747] - Order.toSQLString generates incorrect statement - * [HHH-748] - component dereferencing in subquery from clauses - * [HHH-752] - Typo in 8.5.3 bidirectional one-to-one jjoin table example - * [HHH-757] - NullPointerException when using BigInteger in a query - -** New Feature - * [HHH-595] - HQL insert select - * [HHH-597] - Named XML resultsetmappings - * [HHH-696] - handle discriminators on HQL insert - * [HHH-697] - allow bumping versions in HQL update - * [HHH-716] - handle version columns in bulk inserts - * [HHH-723] - Need to be able to pass in javax.sql.DataSource in SF creation - * [HHH-739] - Order.ignoreCase() - * [HHH-741] - select clause subselects - * [HHH-742] - Stateless session - * [HHH-744] - collection fetching in scroll() via "break processing" - * [HHH-768] - <many-to-many property-ref=".."/> - -** Improvement - * [HHH-14] - Add Session.delete(String entityName, Object entity) - * [HHH-295] - cleanup and expose the Tuplizers - * [HHH-352] - HQL bulk and cache - * [HHH-689] - exclude parens for components outside where-clause - * [HHH-743] - {coll.key}, {coll.index}, {coll.element}, etc - * [HHH-745] - EJB3 composite PK style - * [HHH-749] - Cascade merge() and unidirectional one-to-many - * [HHH-750] - use attribute name other than 'type' in dynamic-maps - * [HHH-753] - Replace antlr System.exit with QueryException - * [HHH-769] - property-ref="foo.bar" to a component property - * [HHH-772] - null in maps are handled inconsistently - * [TODO-18] - optimistic-lock="all|dirty" with components - - -Changes in version 3.1 alpha 1 (24.06.2005) ------------------------------------- -** Bug - * [HHH-204] - Wrong/uncommon log name in class ...hql ast ErrorCounter - * [HHH-241] - HQL lexer doesn't support unicode quoted strings - * [HHH-354] - property named "full" breaks HQL queries - * [HHH-493] - WARNING: Keyword 'member' is being intepreted as an ident - * [HHH-538] - length() function does not work in SQLServerDialect - * [HHH-539] - ClassCastException on mapping a property with a formula in a set of composite elements - * [HHH-540] - Mapping a one-to-many collection with a non-null foreign key within a component fails on save - * [HHH-547] - Cannot commit using UserCollectionType and debug logging - * [HHH-548] - many-to-many faulty delete optimization when filter in use - * [HHH-554] - Hibernate 3 HQL to SQL FROM Clause Comma Generation Problem - * [HHH-558] - HQL doesn't support multi-byte character in class name and property names - * [HHH-559] - quoted multi-byte character in HQL is translated into weird character in SQL. - * [HHH-565] - delete-orphan generating AssertionFailure - * [HHH-566] - The result is not correct in 'createQuery("select new Foor(x,x) from Foo").scroll()' - * [HHH-570] - size operator fails on a many to many in HQL - * [HHH-571] - JDK 1.3 Compatibility Issue - * [HHH-573] - error when merging entity graph has cascade level>2 - * [HHH-575] - org.hibernate.cache.FilterKey is not Serializable - * [HHH-589] - parameterized expression inside function - * [HHH-594] - order-by mapping for collections overrides order by in HQL - * [HHH-601] - New temporary table feature assumes all persisters are ready - * [HHH-614] - SchemaUpdate broken in DB2/400 - * [HHH-622] - Spelling mistake 'intepreted' in org.hibernate.hql.PARSER warning - * [HHH-642] - criterias with projection - * [HHH-650] - FilterImpl is Serializable yet FilterDefinition is not - * [HHH-657] - Date parse exception using EntityMode.DOM4J - * [HHH-666] - JTAHelper.isInProgress( txn.getStatus()) throws NPE when txn null - -** New Feature - * [HHH-620] - Extra join conditions in HQL - * [HHH-640] - short-circuit dirty checking for instrumented classes - * [HHH-643] - support mutable="false" for collections - * [HHH-645] - Session.setReadOnly() - * [HHH-549] - portable to_char() function - * [HHH-576] - Hook to pre-process generated select strings in the Dialect - * [HHH-662] - Add support for definition of functional composite key ("properties") in joined subclass - -** Improvement - * [HHH-46] - Allow access to properties that are not joined - * [HHH-261] - Stored procedure support for SQLServer dialects - * [HHH-351] - multi-table bulk operations - * [HHH-574] - improve in naming named-query - * [HHH-596] - Auto-detect {..} in native SQL queries - * [HHH-641] - create constraints for many-to-one property-ref - * [HHH-501] - warn when a final method is tried to be proxied - * [HHH-525] - cglib related startup performance - * [HHH-557] - Helpful error message for non Serializable classes with a composite-id - * [HHH-586] - check immutable natural-ids - * [HHH-609] - Adds substr to PostgreSQL dialect - * [HHH-618] - documentation bugs - -** Patch - * [HHH-224] - JDataStore Dialect and updated Testfiles - * [HHH-366] - InformixDialect SQLExceptionConverter - * [HHH-536] - ImprovedNamingStrategy modifies capitalized column names inappropriately - * [HHH-632] - Informix Dialect missing from automatic dialect discovery - * [HHH-4] - CachedFile bugfix + configuration + autodetect resource as file - - -Changes in version 3.0.5 (25.5.2005) ------------------------------------- - -** Bug - * [HHH-516] - Interceptor.onFlushDirty() sometimes not called - * [HHH-517] - getDatabaseMajorVersion() not available in JDK 1.3 - * [HHH-518] - SQL parser does not recognize all whitespace - * [HHH-519] - broken SQL when traversing many-to-many to joined <subselect> - * [HHH-529] - Bug in merge() - -** New Feature - * added <natural-id> mapping - * [HHH-533] - allow unique-key on <property> and <many-to-one> - * [HHH-534] - efficient cache by natural key - * support for <comment> on MySQL - -** Improvement - * [HHH-526] - log "Aggressively releasing JDBC Connection" as DEBUG instead of INFO - * various logging improvements - - -Changes in version 3.0.4 (23.5.2005) ------------------------------------- - -** Bug - * [HHH-452] - UnsavedValueFactory.instantiate does not wrap the Exception it catches - * [HHH-456] - Session still holds references to entities after close() - * [HHH-457] - Log info for structured second-level cache entries is incorrect - * [HHH-466] - Made default for MS SQL dialect definition more flexible - * [HHH-473] - Formula can't contain SQL cast keyword - * [HHH-484] - Order-by not applied to collections fetched by OuterJoinLoader - * [HHH-487] - Possible empty union in UnionSubclassEntityPersister - * [HHH-505] - Possible NullPointerException in BigIntegerType - * [HHH-507] - Cached List does not show additions - * Fixed bugs in subselect fetching - -** New Feature - * [HHH-455] - Obtain non-intercepted Session by passing an EmptyInterceptor - * [HHH-467] - HQL: support for case when then else end IN select clause - * [HHH-485] - Support multiple collection join fetches (attention: Cartesian product) in native SQL queries - * Added SessionStatistics metric interface - * Added support for table and column level <comment> blocks - * Added Simplified Chinese translation of reference documentation (Xiaogang Cao) - -** Improvement - * Any query may now join fetch >1 collection role (attention: Cartesian product) - * [HHH-454] - Add 2292 integrityViolationCode to Oracle9Dialect - * [HHH-503] - Implemented ViolatedConstraintNameExtracter for HSQLDialect (Frank Grimes) - - -Changes in version 3.0.3 (8.5.2005) ------------------------------------ -* fixed bug in HQL for composite key classes which have a property named the same as the owning entity's id property -* replaced 'connection.aggressive_release' with 'hibernate.connection.release_mode' -* added ConnectionReleaseMode -* added eager fetch for any associations with fetch=join, even after a HQL query, or cache retrieval (EJB3) -* added replicate() isUpdate flag to OnReplicateVisitor, useful for native ids -* fixed ParameterizedTypes order of initialization -* fixed bug in DB2Dialect -* fixed EntityMode.DOM4J creation of duplicate <set> output -* fixed JDBCException error code handling -* fixed Criteria Restrictions.isEmpty()/isNotEmpty() when collection is mapped to superclass -* fixed HQL indexed collections access with no alias -* fixed HQL aggregate functions on components when "id" property is used -* fixed issue with non-cascading refresh to collections -* fixed query-timeout not being applied to bulk HQL (Stephan Fudeus) -* fixed pessimistic locking with Firebird (Yuichi Sugimura) -* updated Ant 1.6.3 -* improved validation of sql queries, throw QueryException if addEntity() nor addScalar() was called -* added automatic dialect detection if no dialect is configured -* added new tutorial (Michael Gloegl, Christian Bauer) - - -Changes in version 3.0.2 (27.4.2005) ------------------------------------- -* fixed union operations on PostgreSQL -* fixed HQL concat() function for Oracle dialect -* fixed auto-close/auto-flush during getCurrentSession() processing -* fixed ClassCastException with EntityMode.DOM4J -* fixed HQL dynamic instantiation with iterate() -* fixed HQL bug with missing parantheses and implicit joins -* fixed bug were Interceptor.getEntity() wasn't called if in cache -* fixed bug in merge() of sorted sets -* fixed bug in EntityMode.DOM4J with non-lazy embedded many-to-ones -* fixed Criteria/Projection ordering bug -* fixed HQL referencing component attribute -* fixed column duplication detection for components -* fixed eager fetching for many-to-many associations -* fixed stack overflow with auto_close_session and aggressive_release and unclosed ScrollableResults/HibernateIterator -* fixed bug in HQL parser regarding naked property refs which reference component properties -* fixed bug with eager fetched arrays not being loaded -* fixed bug in filter against joined-subclass -* improved CacheMode.GET/IGNORE, disabled cache put -* improved HQL support for standard SQL functions, including coalesce() and nullif() -* improved filtering of many-to-many associations -* added HQL support for cast(x as type) if SQL database supports it -* added increment id generation for union-subclass -* added ConnectionProvider.supportsAggressiveRelease() for managed environments -* added support for caching of queries if filter is enabled -* added PreparedStatement count to Statistics -* added transactional/nontransactional read()/get() to Cache API -* added quotation of schema names -* added Distinct to Projection API -* added config parameter 'connection.aggressive_release' - -Changes in version 3.0.1 (18.4.2005) ------------------------------------- -* added HQL tuple constructor/comparison feature -* added HQL "fetch all properties" override if instrumentation is used for lazy loading -* added HQL projection feature, return Lists instead of arrays for projection -* added HQL projection feature, return Maps with user-defined HQL SELECT aliases as keys -* added HQL support for expressions in aggregation functions -* added new IntegrityViolationException to MySQL dialect -* added value mapping type 'big_integer' -* added not-found="ignore|exception" switch for legacy associations (i.e. broken database integrity) -* added fully automatic Session scoping in JTA environments with sf.getCurrentSession() -* fixed bug in DTD that wouldn't allow union-subclass in separate file -* fixed a MS SQL Server case sensitivity issue with native SQL queries -* fixed a minor bug in subselect fetching -* fixed case sensitivity in HQL functions -* fixed a bug with listener assignment for save() operation (Matthew Inger) -* fixed return-property in named SQL queries to work with all identifier names -* fixed TransactionManager lookup (again) for WAS 6.0 -* fixed a bug with HQL batch delete and MS SQL Server -* fixed session not getting closed with auto_close when rollback occured -* improved concatentation handling in AST parser -* updated dom4j to avoid memory leak in old version -* updated C3P0 - - -Changes in version 3.0 (31.3.2005) ----------------------------------- -* added support for autoflush/autoclose to HibernateServiceMBean -* fixed initialization/session association detection problem of collections -* fixed creation of FK constraints to union superclass table -* fixed bug where union-subclass table did not get a PK constraint -* added a separate log category for HQL parser warnings and errors -* fixed bulk delete operation on MS SQL Server -* added support for proxying protected methods (Juozas) -* added support for unicode quoted strings in new HQL parser -* fixed implied joins in subselect WHERE clause in new HQL parser -* added SQLServer7Dialect to handle differences in functions -* added support for JNDI-bound cache instances, future use for JBoss Cache -* added scale attribute to column mappings for numeric precision control -* added fetch=subselect for collections -* added support for bulk update/delete against discriminator-based inheritence hierarchies -* added the ability to use naked property refs in HQL (required in update/delete statements) -* updated CGLIB 2.1.0 -* fixed NPE at BasicEntityPersister.getPropertyIndex (Todd Nine) -* fixed issue with entity-name and subclasses (Sverker Abrahamsson) -* fixed issue with correlated subqueries in new HQL parser -* fixed a problem with native SQL query mapping and embedded composite identifiers -* improved mapping binding, allowing unordered extends for pure entity-name hiearchies -* fixed NPE for delete() with deprecated Lifecycle interface -* fixed a problem with serial joins ending in component value in new HQL parser -* fixed inner join/subselect precedence problem in new HQL parser -* fixed indices() function in new HQL parser -* fixed a bug in InformixDialect, now correct LIMIT clause -* fixed a bug in idbag.remove() (Sebastien Cesbron) -* fixed a conflict on OracleDialect between setMaxResult and LockMode.UPGRADE -* fixed XML configuration file issue with SchemaExport -* fixed an ArrayIndexOutOfBounds problem -* renamed executeUpate() to executeUpdate() -* fixed batch loading for property-ref entities -* fixed loading from cache of <key property-ref> collection owner -* fixed minor bug in SQL exception reporting -* fixed dynamic-component cannot be bound to XML -* fixed querying component with formula property -* fixed incorrect table alias for order-by on many-to-many -* fixed a bug for unidirectional one-to-many with moving child objects -* fixed a bug with union-subclasses and persister creation -* fixed a HQL concatenation problem on MySQL -* fixed a bug where an unnecessary exception was thrown for a property-ref to a superclass property -* fixed minor dtd bug -* fixed new bug in Clob/Blob support -* fixed issue with INDEX_OP and subclass joins on theta-join dialects -* fixed some minor issues in query cache regions, including HB-1449 -* fixed superflous import and regression bug in verifyparameters -* fixed two bugs in select id generator (Malcolm Green) -* fixed increment generator for union-subclass mappings -* updated JBoss Cache to 1.2.1alpha, fixing locking issues -* made stat classes serializable -* fixed merge(), now ignores blob and clob fields -* added support/dialect for TimesTen -* improved algorithm for batch fetching, more aggressive -* improved toStrings()s for Statistics objects (Ryan Lynch) -* renamed <result-*> to <return-*> for externalized SQL query mapping -* renamed Session.openSession() for EntityMode to Session.getSession() -* added support for CASE in HQL -* fixed bug with filters and polymorphic queries -* fixed import ordering problem of super/subclass mappings -* switched to patched ANTLR 2.7.5, now using context classloader before doing class.forname -* TableHiloGenerator now falls back to TableGenerator properly with max_lo < 2 (Emmanuel Bernard) -* better transaction handling of TableGenerator in a JTA environment (Emmanuel Bernard) -* removed hard coded log4j dependency (Emmanuel Bernard) -* added support for stored procedure in named queries (Max Andersen) -* added <property-result> to named SQL queries to allow users to use sql without {}-markup -* added multi-column property support to native SQL mapping - -Changes in version 3.0rc1 (28.2.2005) ----------------------------------- -* introduced EntityModes, and XML mapping preview -* several minor dialect improvements -* fixed a problem where filters were not applied to subclasses -* fixed a problem where InstrumentTask would fail if applied to already-instrumented classes -* fixed many problems with new parser and made it the default (thanks again to Joshua for the new parser) -* implemented bulk update/delete queries for the new parser -* fixed a minor bug in the classic query parser -* renamed create() to persist() as per EJB3edr2 - -Changes in version 3.0 beta 4 (11.2.2005) ------------------------------------------ -* support unidirection one-to-many with a not-null foreign key -* support formulas for index and element of collections -* support one-to-ones mapped to formulas -* fixed a bug in proxying methods that return "this" -* optimized proxies for embededded composite id classes -* fixed a bug affecting <key-many-to-one> -* fixed a bug caching newly inserted objects -* introduced DetachedCriteria -* support subselects in Criteria queries -* miscellaneous Criteria API enhancements -* fixed a problem where hibernate.max_fetch_depth applied to eager fetching via setFetchMode() -* use inner joins for join fetching not-null fk associations -* support unique="true" in <component> and <properties> mappings -* union-subclass hierarchies may own collections (dtd bug) -* added guid support for Oracle -* new mechanism for auto-detecting unsaved-value -* pass state array in delete events -* improved implementation of hibernate.auto_close_session and hibernate.close_before_completion -* fixed a bug where components with only collections would be incorrectly nullified -* fixed a bug where criteria queries with projection could not be cached -* fixed a problem where duplicate column name aliases could be generated - -Changes in version 3.0 beta 3 (30.1.2005) ------------------------------------------- -* Major rework of Criteria queries, support for projection, grouping, aggregation, ordering by any attribute -* various improvements to new HQL parser (Joshua Davis) -* fixed a bug where <join fetch="select"> was broken for subclasses with duplicated property names -* fixed problems with long types in Oracle DDL generation -* added EnhancedUserType, UserCollectionType, UserVersionType -* added CacheMode -* fixed minor performance problem where cascade delete could add objects to second-level cache -* added hibernate.default_batch_fetch_size -* added hibernate.cache.use_structured_entries -* different classes and collection roles may now share a cache region -* don't include discriminators for abstract classes in generated SQL -* it is no longer truly necessary for composite identifier classes to implement equals()/hashCode() (but still recommended) -* workaround for bug in MySQL InnoDB with self-referential foreign keys -* added lazy="true" to many-to-one and one-to-one mappings (requires bytecode instrumentation) - -Changes in version 3.0 beta 2 (24.1.2005) ------------------------------------------- -* added LockAcquisitionErrorCodes to MySQL dialect (Jesse Barnum, Emmanuel Bernard) -* added MultipleHiLoPerTableGenerator, one hi value per row/per table (compliant with EJB3) -* added a generator handling multiple hi values per table (Emmanuel Bernard) -* added events for pre/post SQL operation interception -* added experimental support for JACC-aware configuration and events -* added full support for implicit polymorphism in Criteria queries -* added support annotated classes through XML configuration (Emmanuel Bernard) -* added support for WebSphere's weird TxManagerLookup -* added support for filters with dynamic-class mappings -* added support for lists of parameters in filters -* added support for scalar queries in createSQLQuery (Michael Gloegl) -* added support for scalar results in native SQL queries (Michael Gloegl) -* fixed SchemaExport/SchemaUpdate, now respect default_schema and default_catalog (Michael Gloegl) -* fixed a bug in one-to-one mapping with property-ref -* fixed a bug in the query cache lookup routine -* fixed compilation problems on IBM JDK 1.4. and JDK 1.3.1 -* fixed custom SQL for loading when using composite identifiers -* fixed exception thrown from optimistic locking failures -* fixed support for limit queries (select first ?) in Informix -* improved SchemaExport/Update, now respect default_schema and default_catalog -* improved dialect handling, throw an exception if no dialect has been set -* improved loading of mappings, no ordering of super/subclasses required anymore -* improved statistics for second-level cache -* improved table generators for hi/lo, can now be used in a JTA environment (Emmanuel Bernard) -* query engine: added support for 'trim([leading | trailing | both] [expression from] expression)' -* query engine: added support for DISTINCT and ALL -* query engine: added support for FETCH -* query engine: added support for HAVING count() -* query engine: added support for HQL NOT IN and EJBQL '[NOT] MEMBER OF' -* query engine: added support for ORDER BY COUNT(*) -* query engine: added support for collections of scalar values -* query engine: added support for literals in constructor select expressions. -* query engine: added support for select elements(..) from Foo f -* query engine: added support for template functions in the SELECT clause -* query engine: fixed NOT LIKE -* query engine: introduced EMPTY and added it to constant (support for IS [NOT] EMPTY) -* updated dom4j, OSCache, EHCache, JBoss Cache, Xerces, Xalan, and Log4j -* associated class where filter now applies to <one-to-one property-ref> - -Changes in version 3.0 beta 1 (21.12.2004) ------------------------------------------- -* reimplemented HQL using an ANTLR-based AST parser (Joshua Davis) -* added class="select" id generator -* added Query.setReadOnly() -* added hibernate.order_updates -* introduced cascade refresh -* added typed JDBC exceptions (Steve Ebersole) -* improved lifecycle for CacheProviders (Steve Ebersole) -* added Expression.isEmpty() -* fixed some minor mapping DTD bugs (Ben Sommerville) -* fixed auto-commit mode for SchemaUpdate -* added default-lazy to <hibernate-mapping>, which defaults to true! -* added fetch="join|select" and deprecated outer-join attribute -* fixed a bug where <custom-insert> was not used for entities with "identity" id generation -* fixed some problems with dynamic-class -* added property-level optimistic-lock attribute, to allow an unchecked property -* cascade lock() now cascades with LockMode.NONE -* fixed some bugs in filter handling (Steve Ebersole) -* added hibernate.transaction.flush_before_completion and hibernate.transaction.auto_flush_session -* added JSR-220 compliant create() and merge() operations -* cascade attribute is now multi-valued, with values save-update,create,merge,delete,delete-orphan,lock,evict,replicate,all-delete-orphan -* index and unique-key attributes may now be multi-valued -* introduced unsaved-value="undefined", the default for "assigned" ids and <composite-id>, which forces Hibernate to hit the db -* primitive typed <id> property mappings now default to unsaved-value="0" -* added ScrollMode -* added dialect for Derby (Simon Johnston) -* added MySQLMyISAMDialect and MySQLInnoDBDialect -* added precision and scale mapping attributes, for numeric types in DDL -* fixed a problem with duplicate column mappings on Sybase -* read-write cache now uses version numbers to ensure consistency with database, if available -* native SQL queries may now fetch a collection role (Steve Ebersole) -* added sequential-select, optional and inverse attributes to <join/> -* added <properties> element, which can be the target of a property-ref -* fixed a bug relating to composite property-refs -* Hibernate now much more robust if user does not implement equals()/hashCode() on id and unique key classes -* enabled batch deletes for versioned data -* fixed a minor bug in Session.close() -* removed uuid.string and renamed uuid.hex to plain uuid -* workaround for a MySQL bug in SchemaUpdate -* added JDBCException.getSQL() and made various improvements to exception flow -* createSQLQuery() now fully supports components -* fixed a bug in SQL generation for <joined-subclass> mappings -* fixed a bug where filter and query parameters could be bound in the wrong order (Steve Ebersole) -* fixed a problem where quantifiers could not appear in SQL fragments -* fixed a bug with dynamic components -* fixed a bug where Dialect default properties overrode user-specified properties (Ben Sommerville) -* fixed a bug where duplicate column name in a joined table caused an exception -* implemented two-phase load for dynamic components -* fixed a bug where cancelQuery() canceled a re-pooled statement -* deleted collections are now removed from session-level cache -* fixed a bug in LocaleType (Steve Ebersole) -* use "with rr" to obtain UPGRADE locks in DB2 -* package attribute now significant for extends -* fixed a minor problem with Hibernate Clobs and Blobs -* extends attribute does no longer require specific ordering of mapping files - -Changes in version 3.0 alpha (23.8.2004) ----------------------------------------- -* package rename net.sf.hibernate -> org.hibernate -* checked exceptions are now runtime exceptions -* some session methods deprecated and moved to org.hibernate.classic.Session -* removed various deprecated functionality -* added Filter API and mappings, for temporal, regional and permissioned data (Steve Ebersole, Gavin King) -* support cascade delete via ON DELETE CASCADE constraint -* added extra attributes to named query definition -* added hibernate.use_identifier_rollback -* added subselect mappings -* added lazy="true" to property mappings -* added <join/> for multitable mappings -* added <union-subclass/> for table-per-concrete-class strategy -* added Statistics API and JMX MBean (Gavin King, Emmanuel Bernard) -* introduced new event-driven design (Steve Ebersole) -* support for faster startup with Configuration.addCachableFile() (Joris Verschoor, Max Andersen) -* mask connection password for log level greater of equals to info (Joris Verschoor, Emmanuel Bernard) -* add check of named queries when building SessionFactory (Joris Verschoor, Emmanuel Bernard) -* added custom EntityResolver setting capability (Emmanuel Ligne, Emmanuel Bernard) -* PropertyValueException for null values in not-null properties of components (Emmanuel Bernard) -* enhanced support for single- and no-argument sql-functions in HQL select clause (Michael Gloegl) -* Added catalog element, to enable table names like catalog.schema.table (Michael Gloegl) -* Added <sql-insert>, <sql-update> and <sql-delete> support (Max Andersen) -* Support callable statements (stored procedures/functions) via callable="true" on custom sql (Max Andersen) -* Added support for type parameters and typedefs (Michael Gloegl) -* Added support for JDBC escape sequences in createSQLQuery (Max Andersen) -* Added statistics per SessionFactory (Gavin King, Emmanuel Bernard) -* Added a StatisticsService MBean for JMX publucation (Emmanuel Bernard) -* support for updates via rownum in Oracle -* fixed problems with SchemaUpdate -* support for <column formula="..."/> -* added hibernate.use_sql_comments -* added property-ref to collection <key/> -* fixed performance problems with <one-to-one property-ref=.../> -* enhanced UserType with new methods assemble()/disassemble() -* better algorithm for batch fetch batch sizes -* added <dynamic-class> -* added entity-name concept, and session methods save(entityName, object), update(entityName, object), etc -* added framework in proxy package -* native SQL queries may now fetch a collection role -* added <loader/> for class and collection mappings -* added getEntity() and getEntityName() to Interceptor -* formula-based discriminators and association mappings -* added "guid" id generation strategy -* various improvements to dialects -* <discriminator force="true"/> now acts as a filter on collections -* where filters now apply in the on clause in an outer join -* added hibernate.jdbc.factory_class to select a custom batcher -* session now uses entity name + id to enforce uniqueness, instead of table name + id - -Changes in version 2.1.6 (9.8.2004) ------------------------------------- -* fixed Quickstart/readme.txt instructions -* fixed DB2/400 identity column support -* fixed the scroll() query method -* fixed exotic classloader problems with CGLIB -* added insert="false" for discriminator columns which are part of a composite identifier -* added several new configuration settings to JMX HibernateService -* added new instantiate() method to SessionFactory.getClassMetadata() -* improved the HSQL DB dialect with features from new version -* added hibernate.jdbc.batch_versioned_data (Steve Ebersole) - -Changes in version 2.1.4 (2.6.2004) ------------------------------------- -* improved Session serialization support by adding ability to serialize unflushed sessions (Steve Ebersole) -* fixed Session.clear() functionality to clear the internal nonExists cache (Steve Ebersole) -* much better implementation of scroll() (Steve Ebersole) -* support "select new ..." for iterate() and scroll() (Steve Ebersole) -* added support for multi-parameter SQL functions (Steve Ebersole) -* fixed hbm2ddl generating infinite indexes on MySQL (Michael Gloegl) -* fixed alias precedence in HQL queries, function names are second (Steve Ebersole) -* added "transactional" as allowed cache concurrency strategy in XML configuration file -* improved System.getProperties() with security exception warning in secure environments -* improved Proxool integration, better property handling -* fixed problem with use of getDefinedMethod() in secure environments (Ken Arnold) -* fixed bug in createSQLQuery() which prohibited multiple aliases for the same entity (Max Andersen) -* fixed query cache misses when using named bind parameters (Michael Greer) -* recognize "left" and "right as keywords in SQL fragments -* recognize SQL quoted identifiers in SQL fragments -* improved identity handling on SQL Server by using scope_identity() for update counts (Arthur Fitt) -* added DB2390Dialect for DB2/390 databases (Kristoffer Dyrkorn) -* fixed a bug in toArray() of identifier bag collections (Khachchou Mohammed) -* fixed a problem with DDL generation for serial columns in Informix -* fixed a problem with DDL generation for timestamp columns in Informix (Michael Schmidt) -* fixed a NPE that occurred calling saveOrUpdateCopy() for components -* fixed a bug with replicate() and uninitialized collections -* fixed a bug caching one-to-one associations -* fixed eviction from named query cache regions - -Changes in version 2.1.3 (25.4.2004) ------------------------------------ -* added SELECT-clause SQL function support to main Dialects -* fixed a problem where some unnecessary selects where issued for optional one-to-one associations -* fixed a bug in SQL generation for criteria queries with multiple one-to-many joins -* deprecated everything related to PersistentEnum -* fixed an NPE that occurred when using <one-to-one property-ref> with composite ids -* fixed a problem with JCA adaptor on WebLogic (Michael Gloegl) -* improved behavior when removing elements from <idbag>s -* fixed a bug in getGeneratedKeys() support (Michael Gloegl, Kevin Day) -* fixed a bug when using Criteria queries with collections of joined-subclasses -* fixed an NPE that occurred when calling comparator() on a lazy sorted set (Attila Szegedi) -* fixed a bug when using setMaxResults() with native SQL queries in some Dialects -* validate that composite id classes override hashCode() (Adrien) -* fixed some minor problems with saveOrUpdateCopy() -* fixed some problems in OSCache provider -* fixed an NPE that occurred when calling a lazy collection after evicting from session -* fixed an NPE that occurred when select-before-update is used with unversioned data (Patrick Peralta) -* fixed a bug where dynamic-components could not be queried (Massimo Ferrari) -* SQL formula parser now recognizes all Dialect-specific SQL functions (Anthony Patricio) -* fixed a problem where SQL CASE statements could not appear in SQL formulas -* fixed a problem where subselects with joins could not appear in SQL formulas -* C3P0 and Proxool pools now cleaned up after SessionFactory.close() -* fixed a bug where dirty checking of mutable properties was broken after lock() -* fixed a minor bug where orphan delete was broken for newly saved instances -* added Query.setFetchSize() and Criteria.setFetchSize() -* PreparedStatement pooling in DBCPConnectionProvider can now be disabled (Emmanuel Bernard) -* Query.setProperties(Object) now detects array and collection valued properties and delegates to Query.setParameterList() (Max Andersen, Nick Heudecker) -* lengths of positional parameters and types arrays are now validated -* fixed an obscure problem where a PreparedStatement was not closed - -Changes in version 2.1.2 (4.2.2004) ------------------------------------ -* added Session.isDirty() -* fixed a very obscure concurrency problem with read-write cache for inverse collections -* deprecated Criteria.returnMaps() / Criteria.returnRootEntities() in favor of new ResultTransformer framework -* don't cache objects with dynamic-update="true" or <joined-subclass> mappings immediately after insert/update -* added version checking to saveOrUpdateCopy() -* fixed constraint violations that occurred when mixing identity columns with other id generation strategies -* added Sybase 11.9.2 dialect to support older versions of Sybase that do not support ANSI joins (Colm O' Flaherty) -* added Informix9Dialect (Finn McCann and Max Andersen) -* added DB2400Dialect (Peter DeGregorio) -* fixed a problem where mapping validation failure was reported as duplicate import (Michael Gloegl) -* fixed a problem with Expression.not() in MySQL (Michael Gloegl) -* added support for ResultSet.getGeneratedKeys() (David Morris, John Kristian) -* added check attribute to allow check constraints in DDL -* implicit polymorphism for Criteria queries (Shorn Tolley) -* use IF EXISTS for dropping hilo tables (Michael Gloegl) -* better exception report if deleted object is resaved by cascade -* support nested components in Example queries (Emmanuel Bernard) -* fixed a minor problem with onDelete() callbacks -* fixed an obscure problem with select-before-update -* added SunONETransactionManagerLookup (Robert Davidson) -* fixed a problem with replicate() and <joined-subclass> mappings -* made setParameterList() accept empty lists and deny null values (Max Andersen) -* validation check on query parameters now allows setParameter(x, null) (Max Andersen) -* added default-access to DTD (Max Andersen) -* made Query.setParameterList() accept empty lists and deny null values (Max Andersen) -* allow Query.setParameter(x, null) (Max Andersen) -* queries with "select new" now cacheable -* throw meaningful exception when lazy initialization occurs on disconnected session -* added default-access to <hibernate-mapping> (Max Andersen) -* added -text support to SchemaUpdate (Max Andersen, Matt Hall) -* fixed broken implementation of embedded composite keys with createSQLQuery() (Max Andersen) -* added hibernate.cache.use_minimal_puts config property to reduce unnecessary second-level cache puts -* optimized performance of orphan delete detection (Bertrand Renuart) -* fixed problem where unnecessary UPDATE occurred after INSERT for versioned objects with collections -* WebSphereTransactionManagerLookup for WAS 5.1 (Edina Pimp) -* Criteria queries now cacheable (Mario Ivankovits) -* fixed problem with ordered, paginated queries in DB2 (Tim Collins) -* fixed a bug caching <idbag>s -* lazy="true" collections are now lazy even when available in cache -* fixed a problem with version unsaved-value="negative" -* added hibernate.cache.region_prefix config property (William Drai) -* fixed problem where configuration input streams were not closed (Rajesh Patel) - -Changes in version 2.1.1 (17.12.2003) -------------------------------------- -* added optional package attribute to <hibernate-mapping> -* added <meta-value> element to allow simpler <any> mapping -* native SQL queries are now cacheable - added <synchronize> element to allow correct result set expiry -* fixed a bug in CGLIB2 integration (Chris Nockleberg) -* added NamingStrategy -* don't cache objects with formula properties immediately after insert/update -* log generated SQL to a special category -* type of property with access="field" may now be guessed using reflection - -Changes in version 2.1 final (12.12.2003) ------------------------------------------ -* fixed a problem with CGLIB2 proxies and method calls inside constructors -* fixed a bug running SchemaExportTask with mappings in jar files (Tom McCune) -* allow custom persister declaration for subclasses (Nick Johnson) -* fixed handling of sequences in SchemaUpdate on Oracle (Andrew Delpha) -* fixed a bug where Iterator did not handle single null values correctly -* detect and throw exception in the case of a duplicate property mapping -* don't auto-create indexes for collection foreign keys (roll back to 2.0.x) - -Changes in version 2.1 rc1 (29.11.2003) ---------------------------------------- -* long identifier and discriminator column names are now safely aliased (Max Andersen) -* cleaned up mapping package to allow applications to manipulate metamodel programmatically -* fixed a recent bug where collection sort order was lost in second-level cache -* formula attribute now supported for joined-subclass mappings -* formula properties may now be used anywhere in queries -* dialect-specific query pagination for SQL Server -* fixed a bug where a long path expression ending in collection access by index missed some tables in SQL FROM clause -* fixed a very ancient performance problem where null one-to-one associations caused n+1 selects -* added Session.saveOrUpdateCopy() -* fixed some bugs in Example queries -* fixed some minor bugs in dialect-specific query pagination -* immutable entity passed to update() is now lock()ed instead -* reworked the semantics of nonstrict-read-write -* JCS cache support now deprecated -* fixed some obscure bugs in collection handling -* migrated to CGLIB2 (thanks to Chris Nockleberg) -* fixed bugs in replicate() -* fixed a bug affecting joined-subclass mappings with dynamic-update=true -* performance improvements to boolean type mappings (Bertrand Renuart) -* integrated JBoss TreeCache clustered cache (thanks to Bela Ban and Ben Wang) -* fixed a bug in new query parameter validation (Steve Ebersole) -* fixed a bug where <any> mappings caused unnecessary ObjectDeletedException at flush time -* fixed a bug where associations with property-ref mappings were not properly cached -* throw PropertyValueException when not-null properties are null at flush time -* added unsaved-value attribute to version property mapping (Emmanuel Bernard) -* tolerate classnames containing $ (Steve Ebersole) - -Changes in version 2.1 beta 6 (5.11.2003) ------------------------------------------ -* added Session.cancelQuery() -* improvements to transaction handling for failed commit (thanks to Juergen Hoeller) -* added cascade="delete-orphan" -* fixed an exception that occurred when a property was declared not-null="true" update="false" (thanks to John Kristian) -* support multiple named query cache regions (Mikheil Kapanadze) -* some improvements to collection reattachment -* fixed a bad bug with adds to an uninitialized bag or list -* removed support for <dynabean/> components -* added <dynamic-component/> mapping for properties of type Map -* fixed a bug where schema export generated index names that were too long for DB2 -* allow per-region expiry policies in OSCache (Matthias Bogaert) -* fixed a stack overflow that could occur while initializing nonlazy collections -* fixed a bug in case-insensitive like for Example queries -* fixed a bug in ScrollableResults.setRowNumber() (Martin Priekopa) -* improvements to the cache concurrency strategies - -Changes in version 2.1 beta 5 (30.10.2003) ------------------------------------------- -* Support for custom CollectionPersister (Nick Johnson, Max Andersen) -* Support for named SQL queries (Max Andersen) -* duplicate named queries now throws MappingException instead of just logging warning (Max Andersen) -* fixed problems with WebSphereTransactionManagerLookup (Ralf Taugerbeck, Daniel Bradby) -* added support for custom collection persisters (thanks to Max Anderson, Nick Johnson) -* fixed a performance problem during query compilation (Bulent Erdemir) -* composite keys now supported in createSQLQuery() (Max Andersen) -* fixed JCA adaptor to run in WebLogic (Daniel Bradby) -* integrated SwarmCache (Jason Carreira) -* integrated OSCache (Matthias Bogaert) -* fixed an NPE that could occur with lists and orphan delete -* allow nullable one-to-one with property-ref -* improved usage of Dialect-specific limit SQL -* fixed problem where non-lazy collections held by cached objects were not immediately initialized -* fixed getReturnTypes() for native SQL queries (Max Andersen) -* fixed problems with Criterions that applied to multi-column properties -* check of rowcounts when JDBC batch updates enabled -* added named SQL queries using <sql-query> element (Max Andersen) -* added some extra validations so Hibernate fails earlier when user makes mistakes -* allow lazy="true" as an alternative to proxy="ClassName" -* removed dependency to commons-lang -* SchemaExport now creates indexes for collection foreign key columns if specified by Dialect -* fixed a bug parsing named parameters in setParameterList() -* select new Foo(...) will now tolerate null values if the constructor accepts a wrapper type -* fixed a problem detecting Proxool -* added logging of persistent object states during flush() -* allow "not null" as a discriminator value -* added "parameters" config param to "sequence" generator (Matthias Bogaert) - -Changes in version 2.1 beta 4 (3.10.2003) ------------------------------------------ -* fixed a bug where <any> mappings did not handle proxies correctly -* implemented new optimistic-lock strategies -* fixed several bugs in Criteria query API -* fixed a bug caching property-ref associations -* improvements to XML Databinder (Ara Abrahamian) -* added Session.replicate() and ReplicationMode -* added ScrollableResults.setRowNumber() / ScrollableResults.getRowNumber() -* added query cache and Query.setCacheable() -* added Criteria.returnMaps() -* fixed some problems with CGLIB proxies -* fixed an NPE that occurred when a joined-subclass of a versioned entity defined only collections -* added the access attribute, direct field access and the PropertyAccessor extension point -* added MatchMode for use with Criteria queries (thanks to Michael Gloegl) -* fixed a bug where some lazy="false" collections were not immediately initialized -* fixed problem with WebSphere 5 TransactionManager -* support schema attribute in MySQL, by using an underscore in the table name (Chris Hane) -* now seperate Dialects for Interbase and Firebird (Reha Cenani, Max Andersen) -* removed built-in PreparedStatement cache -* added Session.getSessionFactory() -* fixed problem with native SQL queries and Query.setProperties() (Max Andersen) -* Query now fully validates parameters against the query string before passing them to JDBC (Max Andersen) -* fixed an NPE in SessionFactory.close() -* fixed an NPE that occurred when using <idbag>s -* added SQL-level query results paging to DB2Dialect -* "foreign" id generator now handles detached instances - -Changes in version 2.1 beta 3 (7.9.2003) ----------------------------------------- -* added Example queries -* fixed an exception that occurred at startup with <key-many-to-one> and <joined-subclass> -* fixed a bug where composite-elements were not being updated if a property not in the equals() was changed -* <parent> property of a composite-element may now be used in equals() -* named parameters may now be used in HQL order by clause -* null value of version property now indicates unsaved instance -* added select-before-update attribute -* two-phase loading now use for components -* better implementation of equals()/hashCode() for proxies -* added property-ref attribute to <many-to-one> -* renamed result() to uniqueResult() -* added Session.get() -* added HashtableCacheProvider -* JTA TransactionManager now used even when not using Hibernate Transaction API -* always bypass process-level cache for LockMode.READ - -Changes in version 2.1 beta 2 (27.8.2003) ------------------------------------------ -* <subclass> and <joined-subclass> may now appear outside of a <class> element, by providing the extends attribute (Max Andersen) -* fixed an NPE at startup that was introduced in beta 1 -* fixed a bug in Map.putAll() -* new pluggable cache API -- deprecated <jcs-cache> in favor of <cache> -- net.sf.hibernate.cache.CacheProvider settable via hibernate.cache.provider_class -* more aggressive caching -* added Hibernate.close(Iterator) -* Criteria queries may now include joins -- Criteria.addJoin() -- Criteria.createCriteria() -* hibernate.transaction.manager_lookup_class should now ALWAYS be specified in JTA environment when using jcs caching -* fixed a bug caching <key-many-to-one> -* fixed bug where cached component did not get <parent> property populated -* added hibernate.max_fetch_depth property -* smarter outer-join fetching -* transient object may now be associated with session using Session.lock() -* added Query.result(), Criteria.result() - -Changes in version 2.1 beta 1 (10.8.2003) ------------------------------------------ -* batch-size attribute for collection and class mappings, to allow batch loading -* collections of "value types" (including composite-elements) may now appear in HQL from clause -* more efficient loading of collections, and better handling of non-lazy collections -* added HQL index() function to allow access to collection element index -* added Session.createSQLQuery() (Max Andersen) -* added outer-join attribute to collection mappings -* Criteria.setFetchMode() now applies to collection-valued path expressions -* added property-ref attribute to <one-to-one>, enabling unique foreign key associations -* added hibernate.max_fetch_depth config property -* added hibernate.hbm2ddl.auto config property -* fixed a bug with combination of <jcs-cache> and <key-many-to-one> -* support for Dialect-specific SQL functions in HQL select clause (David Channon) -* added Session.clear() - -Changes in version 2.0.2 (2.8.2003) ------------------------------------ -* subqueries may now use HAVING and GROUP BY clauses -* fixed a bug with setMaxResults(), setFirstResult() in HSQL (introduced in 2.0.1) -* fixed a bug in Set.removeAll() -* fixed a bug in SchemaUpdate (Mathias Bogaert) -* added weak typing functionality to ScrollableResults -* fixed a bug with "calendar" versioning in IBM JDK1.3.1 (workaround for JDK bug) -* fixed a bug in mapping DTD that caused a problem for hbm2java (Max Andersen) -* fixed a bug querying nested components -* SQL generation now prefers ANSI-style inner joins to theta inner joins -* fixed a bug caching collection references loaded using FETCH -* fixed a bug with composite foreign keys in normalized table mappings (Tom Sedge) -* limit support for Interbase (Ludovic Orban) -* added where attribute to <class> mappings -* added cascade="all-delete-orphan" for collection mappings -* fixed a bug binding named parameters with setMaxResults()/setFirstResults() -* fixed some minor bugs in HQL translator -* fixed a long-standing bug where a <key-many-to-one> could not be dereferenced in HQL -* SQL UPDATEs now occur in a predictable order (same order as objects were loaded) -* support for SELECT ... FOR UPDATE in SAPDB -* fixed bug where Criteria queries against a subclass also returned superclass instances -* fixed a very rare bug where an update could get lost with normalized mappings -* fixed a problem with proxied class heirarchies rooted at an interface or abstract class -* where and order-by attributes now allow SQL function calls and subselects -* added formula attribute to <property> tag, to allow "computed" properties -* fixed a bug where PreparedStatements were sometimes not closed when an exception occured -* workaround for a problem with <joined-subclass> and Interceptor.onFlushDirty() - -Changes in version 2.0.1 (17.6.2003) ------------------------------------- -* fixed some problems with new dialect-specific LIMIT clauses -* improved parsing of collection where attribute -* made one-to-many bags more efficient (they are really sets!) -* allowed type="calendar" for <version> properties -* fixed a bug with locking a versioned composite-id class -* refresh() may now take a transient instance -* added ProxoolConnectionProvider (Martin Crawford) -* fixed some minor JCA issues (Mike Mosiewicz) -* fixed a bug with FETCH and sorted associations -* improved performance of SchemaUpdate tool (Teodor Danciu) -* fixed a bug in Configuration.addFile(String) (Ken Geis) -* tidied up and documented hbm2ddl package (esp. Ant tasks) -* deprecated CounterGenerator in favor of IncrementGenerator -* improved logging during initialization -* deprecated "vm" in favor of "increment" id generator - -Changes in version 2.0 final (8.6.2003) ---------------------------------------- -* added "fetch" keyword to HQL -* added evict() methods to SessionFactory for JVM-level cache -* destroy caches from SessionFactory.close() -* fixed an NPE in Session.evict() (Simon Spero) -* added Query.setLockMode() -* tidied up implementation of Loader -* release ResultSets more aggressively -* miscellaneous improvements to some Dialects -* hbm2java now honors the sort attribute (Max Andersen) -* added exceptions to Interceptor interface -* fixed problem with setMaxResults(), setFirstResult() in Oracle (introduced in beta 6) -* fixed some SQL generation that was a problem for Sybase (Dietmar Posselt) -* fixed some problems with ODMG API (Oliver Gries) -* added JOTMTransactionManagerLookup (Low Heng Sin) -* added JOnASTransactionManagerLookup (?) -* fixed a bug in WeblogicTransactionManagerLookup (Mathias Bogaert) -* added Criteria.setFetchMode() -* added new Expressions -* much more elegant/robust handling of quoted identifiers -* renamed Hibernate.association() to Hibernate.entity() -* added dynamic-update and dynamic-insert mapping attributes -* fixed a bug with refresh() of objects with collections -* HQL aliases now optional - "from Cat" now legal -* platform-independant quoting of identifiers using backticks - -Changes in version 2.0 beta 6 (10.5.2003) ------------------------------------------ -* fixed a bug querying one-to-many associations to a <joined-subclass> -* added support for dialect-specific LIMIT-style clauses (David White) -* added <idbag> -* fixed bug in hashCode() of persistent collections -* <joined-subclass> now supported in HSQL (Wolfgang Jung) -* fixed problem for XML parsers which ignore default values declared in DTD -* <meta> tags can now be set to not be inheritable -* fixed bug in Expression.in() -* fixed an NPE that could occur from update() in very strange cases (Chris Nockleberg) -* disabled outer-join back to owner when initializing one-to-many (performance improvement) -* fixed a bug in Query.setParameterList() (Nick Heudecker) -* improved JCA support (Igor Fedorenko) - -Changes in version 2.0 beta 5 (21.4.2003) ------------------------------------------ -* Informix support (Steve Molitor) -* fixed a bug parsing "select new ... " queries -* deprecated "object" type in favor of <any> mappings -* added Session.contains() -* added extra DBCP config options (Alex Burgel) -* SessionFactory.close() now unbinds from JNDI -* added Session.evict() -* got rid of an unnecessary SQL DELETE issued when an empty collection was dereferenced -* where attribute of collection mappings no longer ignored for deletion -* improved logging -* support polymorphic associations to "embedded" composite id classes -* various bugfixes to collection filter parameter binding -* fixed some problems with proxies introduced in earlier beta versions -* fixed bug with self-reference in the case of identity column id generation -* added hibernate.cglib.use_reflection_optimizer property -* added nonstrict-read-write cache -* fixed an SQL-generation bug in new Criteria API -* added CompositeUserType -* sequence and table id generators now aware of default-schema -* added update and insert attributes to <component> element -* fixed a bug with expressions like elements(foo.bar.baz) in where clause -* more efficient Set initialization (two-phase load) -* removed support for hibernate.query.imports and added <import> mapping element -* fixed problem in DBCP connection validation and added new config properties -* hbm2java can now generate finder methods for persistent objects (experimental) (Matt Hall) -* hbm2java small fixes/refactorings to support generating more than one file per persistent object (Max Andersen) - -Changes in version 2.0 beta 4 (22.3.2003) ------------------------------------------ -* Major HQL improvements -- from "Foo as foo join foo.bars as bar" instead of "from foo in class Foo, bar in elements(foo.bars)" -- "select new Foo(bar.name, bar.amount) from ...." -- outer and full join support -* Query methods now return this, to allow chaining -* FrontBase support (Run Lussier) -* experimental JCA support (Daniel Bradby) -* hbm2java now can generate Beans style property events (Klaus Zimmermann) -* support SQL identifiers quoted with [] -* fixed bug with PostgreSQL -* name attribute now optional in .cfg.xml -* support for postgres ilike operator (M Lang) -* squash warnings with GNU JAXP (Chris Nockleberg) -* fixed a bug in Query.setParameterList() -* Ingres support (Ian Booth) -* collections now detect changes not made via wrapper for newly saved objects -* new (experimental) Criteria + Expression APIs -* Query.setEntity(), etc, now aware of proxies (also improved hueristics for guessing Type) -* added Hibernate.isInitialized() -* detect changes made directly to newly-wrapped collection (ie. not via the wrapper) -* added Hibernate.refresh(Object, LockMode) -* update(), saveOrUpdate() no longer initialize a proxy -* fixed problems with Sybase -* added force attribute to <discriminator> -* improved handling of null discriminator-value -* support SQL-style '' escape for HQL strings - -Changes in version 2.0 beta 3 (24.2.2003) ----------------------------------------- -* collections now represent null elements as a missing row -* collections now deserialize correctly (fix for bug in beta 2) -* standardised on dom4j for XML parsing -* fixed bugs in collection caching (an exception occurred for some sorted collections and some kinds of maps) -* allowed null discriminators -* set autocommit to true in SchemaUpdate -* fixed a stack overflow that could occur in toString() of classes created with hbm2java (Max Andersen) -* fixed a bug where composite-element <parent> property was not being set after retrieval from cache -* added where attribute to collection mappings to allow filtering -* fixed a exception that occurred when wrapping collections with sort="MyComparator" (Jason Horne) -* objects with mutable="false" are now never updated -* fixed an exception that occurs with <key-many-to-one> association to a class with a composite id (Stefano Travelli) -* added SchemaExport Ant task (Rong C Ou) -* integrated latest CGLIB release (Juozas Baliuka) -- added support for new CGLIB reflection optimizer (Juozas Baliuka) -* improved query cache algorithm (Who?) -* fixed a bug in "object" type -* Lists and arrays now represent null elements as a missing row -* fixed a bug in Hibernate PreparedStatement cache where maxRows and fetchSize were not cleared before re-caching -* fixed a bug in HibernateService that caused a restart to fail -* added SybaseAnywhereDialect (?) -* added SessionFactory.close() - -Changes in version 2.0 beta 2 (2.2.2003) ----------------------------------------- -* property column names may now be of any length (Mark Woon) -* fixed problem where CodeGenerator created private get/set pairs (Max Andersen) -* fixed all silly bugs in Configuration.configure() -* efficient collection updates from Session.update() -* added <jcs-class-cache> and <jcs-collection-cache> elements to hibernate-configuration.dtd -* support for normalized mappings for databases with DECODE instead of CASE (Simon Harris) -* added Oracle9Dialect -* added JRun4TransactionManagerLookup (Joseph Bissen) -* fixed JDBCException to keep reference to underlying SQLException -* fixed a bug loading many-to-many associations with a repeated column name -* fixed a bug in ShortType -* added IngresDialect (Ian Booth) -* added --config option to SchemaExport - -Changed in version 2.0 beta 1 (28.1.2003) ------------------------------------------ -* renamed packages to net.sf.hibernate.* -* all API methods now wrap SQLExceptions -* removed support for toplevel collections / subcollections -* created hibernate-mapping-2.0.dtd -- renamed 'readonly' attribute to 'inverse' -- renamed 'role' attribute to 'name' -- changed default value for 'unsaved-value' to "null" -- added mandatory 'name' attribute to <param> -- added <meta> tag -* created hibernate-configuration-2.0.dtd -* brand new Configuration API, including exposed mapping package -* completely reworked IdentifierGenerator framework -- built-in generators now auto-detect the type (so integer identity columns are supported, for example) -- parameters are now named -- built-in strategies are renamed -* expanded Interceptor interface -* removed exceptions that occur if an object is saved or deleted multiple times in a session -* added <parent> subelement to <composite-element> and <nested-composite-element> -* collections except for <bag>s now implement by-value equals() and hashCode() -* removed all deprecated methods -* added Session.refresh() -* added dynamic-update functionality -* added update and insert attributes to <property> and <many-to-one> mappings -* added elements(), indices(), size(), maxelement(), minelement(), maxindex(), minindex() collection functions to query language -* huge improvements to CodeGenerator (Max Andersen) -* enhanced outerjoin fetching support in queries -* experimental support for DynaBeans as components - -Changes in version 1.2.3 (28.1.2003) ------------------------------------- -* fixed a recently-introduced problem with Timestamp dirty checking -* added createClob(), createBlob() for streams (Benoit Menendez) -* SchemaUpdate now configures Dialect correctly (Michael Locher) -* update() now working for classes with embedded composite ids -* unsaved-value attribute now recognized for <composite-id> -* fixed a minor problem where a very specific kind of SQL select did not qualify a column name -* added Query.getQueryString() -* fixed an NPE that sometimes occurred when hibernate.connection.username was not specified -* fixed a bug in SchemaExport where foreign key constraints did not use qualified tablenames -* added isFirst(), isLast() to ScrollableResults -* fixed bug finding properties inherited by mapped interfaces - -Changes in version 1.2.1b (4.1.2003) ------------------------------------- -* fixed an NPE that occurred while loading Hibernate classes in IBM JVM -* arbitrary JNDI InitialContext properties may now be passed as hibernate.jndi.* -* fixed a problem where index column was not being nullified when an entity was removed from a one-to-many - -Changes in version 1.2.1 (31.12.2002) -------------------------------------- -* Changed the MySQL mapping of Hibernate "timestamp" to MySQL "DATETIME" (Matthias Schwinn) -* TransactionManagerLookup classes now define defaut UserTransaction JNDI names -* support for WebSphere 5 (Venkat Srinivasan) -* fixed a bug with query expressions of the form "foo.bar.id" for normalized mappings -* experimental Blob/Clob support (thanks to Benoit Menendez and Mark Woon) -* improvements to SchemaUpdater (Benoit Menendez) -* deprecated suspendFlushes() / resumeFlushes() in favor of FlushMode -* deprecated IDGenerationException in favor of IdentifierGenerationException -* fixed a bug introduced in 1.2 final where cascade save-update was sometimes ignored for readonly="true" bags -* fixed a bug caching null-valued one-to-one associations -* CodeGenerator now supports <bag> and <joined-subclass> -* fixed problem with TimestampType on DB2 (Jonas) -* fixed a bug in generated SQL for collections with <joined-subclass> mappings (Robson Miranda) -* fixed a bug caching Maps (Benoit Menendez) -* SchemaExport now accepts a .jar file as a source of mappings -* hibernate.dbcp.validationQuery setting (Juozas Baliuka) -* hibernate.c3p0.validate setting -* added Query.setTimeout() -* setMaxResults() now behaves sensibly on SAPDB (Russel Smyth) -* added Query.setProperties() and Query.getNamedParameters(), fixed a bug in Query.getReturnTypes() -* CodeGenerator now generates equals() and hashCode() for composite-id classes (and toString() for all classes) -* CodeGenerator now includes superclass properties in subclass constructors (Max Andersen) -* added Hibernate.custom() - -Changes in version 1.2 final (7.12.2002) ----------------------------------------- -* fixed a bug where uppercase IS NOT NULL, NOT IN, etc were not parsed correctly -* addition to readonly="true" bags now no longer requires collection initialization -* added ResinTransactionManagerLookup (Aapo Laakkonen) -* improved exception message when setting null to primitive type (Max Andersen) -* improved exception message for an unserializable identifier -* support for overloaded setter methods (patch by Alex Staubo) -* CodeGenerator support for <composite-element> (patch by Wolfgang Jung) - -Changes in version 1.2 beta 4 (29.11.2002) ------------------------------------------- -* fixed bugs in one-to-many associations to a <joined-subclass> -* LockMode class now properly serializable -* exceptions thrown by proxied objects are now propagated correctly (rather than being wrapped) -* made Calendar types compilable in JDK1.2 -* added --format and --delimiter options to SchemaExport (thanks to Richard Mixon) -* fix for problem with class with no properties + native id generation + MS SQL Server contributed by Max Andersen -* fixed a BAD bug in Hibernate.configure() (thanks to Rob Stokes) -* CodeGenerator now recognizes <key-many-to-one> (patch by Wolfgang Jung) -* CodeGenerator now recognizes <version> and <timestamp> (patch by Max Andersen) - -Changes in version 1.2 beta 3 (26.11.2002) ------------------------------------------- -* fixed bug in UPDATE SQL generation for <joined-subclass> mapping strategy (fix by Robson Miranda) -* support <composite-id> correctly in CodeGenerator (patch by Tom Cellucci) -* fixed an exception that occurred with short qualified tablenames -* added the polymorphism attribute to the <class> element -* allow "not between", "not in" in query language -* allow subqueries beginning with a from clause in query language -* query expressions like "not (foo.bar.baz=1)" now translated to "(bar.baz!=1 and foo.bar=bar.id)" -* support for PostgreSQL ~ operator (regular expression match) -* load(id, lockMode) now working for normalized table mappings -* now compiling properly under JDK1.2, 1.3 (fix by Tom Cellucci) -* support for subcollections in query language: foo.bars[2]['index'], foo.bars[4].elements, foo.bars[0].size, etc. -* added calendar and calendar_date types -* find() queries may now return scalar values -* component-type properties may appear in a select clause -* ConnectionProviders now set isolation level before toggle autocommit -* Iterator.next() now throws NoSuchElementException as per Iterator contract (fix by Alex Staubo) -* database reverse engineering GUI tool contributed by Tom Cellucci -* SchemaExport now generates column in mapping file order (rather than alphabetical order) -* <joined-subclass> mappings working on Oracle (?) - -Changes in version 1.2 beta 2 (15.11.2002) ------------------------------------------- -* support multi-argument SQL functions in queries -* reintroduced deprecated form of update() with slightly altered semantics -* fixed BAD problem in the generated SQL for certain queries -* added OrionTransactionManagerLookup - -Changes in version 1.2 beta 1 (11.11.2002) ------------------------------------------- -* Fixed a bad bug binding to JNDI with servers that use serialization in preference to getReference() -* support for quoted SQL identifiers (patch by Jean-Francois Nadeau) -* Hibernate.initialize() allows the user to force initialization of a proxy or persistent collection -* fix to minor bug in CodeGenerator by Max Andersen -* fixed a problem with outerjoin fetching of one-to-one associations defined on subclasses -* fixed a minor problem with proxies of classes that override finalize() -* finished work on normalized table mappings using <joined-subclass> declaration (only for databases with ANSI OUTER JOIN and CASE) -* deprecated hibernate-mapping.dtd in favor of hibernate-mapping-1.1.dtd -* reworked unmapped class / interface / table-per-concrete-class query functionality, fixing several problems -* removed deprecated methods -* deprecated findIdentifiers() -* fixed some problems with embedded composite identifiers -* fixed a bug cascading deletes to one-to-one associations -* CodeGenerator now generates isFoo() style getters for boolean properties (patch by Aapo Laakkonen) -* components may now have a nonpublic constructor (patch by Jon Lipsky) -* changes / bugfixes to MapGenerator tool -* experimental SchemaUpdate tool contributed by Christoph Sturm - -Changes in version 1.1.8 (30.10.2002) -------------------------------------- -* full support for composite keys in query language -* fixed bug where character type could not be null -* fixed bug parsing collection filters like: "group by this.date" -* fixed a bad bug where C3P0 properties were not always being used -* replaced hibernate.use_jdbc_batch with hibernate.jdbc.batch_size -* renamed some other properties to hibernate.jdbc.* -* made hibernate.show_sql settable from JMX (patch by Matas Veitas) -* added SessionFactory.getAllClassMetadata(), getAllCollectionMetadata (patch by Max Andersen) -* allowed use of concrete-class proxies with inherited classes ie. <subclass name="ConcreteClass" proxy="ConcreteClass"> -* HibernateException extends Apache commons lang NestableException (patch by Max Andersen) -* <parent> subelement of <component> allows a component to get a reference back to owning entity -* Query.setParameterList() to bind lists of values to "in (:list)" -* Java constants may now be used in Queries -* serialization of an object graph now removes all initialized proxies -* several other improvements to proxy handling -* proxies may now be used in JDK 1.2 - -Changes in version 1.1.7 (25.10.2002) -------------------------------------- -* added Session.createFilter() -* fixed a bug parsing queries with properties of form idXXX (introduced in 1.1.6) -* fixed a bug parsing queries with the id property named in the select clause (introduced in 1.1.6) -* fixed a bug dirty checking big_decimal (fix by Andrea Aime) - -Changes in version 1.1.6 (24.10.2002) -------------------------------------- -* classes without subclasses may now declare themselves as their own proxy -* outer-join attribute now working for component properties and <many-to-many> -* outer-join="true" will now force outerjoin loading for an association even if associated class has a proxy -* enabled oracle-style outerjoins for SAP DB -* version properties may now be long or short (previously always integer) -* discriminators may now be boolean type -* fixed the foo.bar.id.baz syntax for queries doing composite-key joins -* fixed an NPE that occurred when no Dialect was specified -* CodeGenerator now fully proxy-aware (patch by Max Andersen) -* removed dependency upon trove4j - -Changes in version 1.1.5b (20.10.2002) --------------------------------------- -* fixed an NPE that occurred on JMX startup -* smarter fetching for one-to-one associations - -Changes in version 1.1.5 (19.10.2002) -------------------------------------- -* added built-in currency and timezone types -* hibernate-mapping-1.1.dtd -- added <index-many-to-many> and <composite-index> subelements of <map> -- added <key-property> and <key-many-to-one> -- renamed "save/update" to "save-update" -- tightened up the dtd (now using enumerated attribute types) -* enabled multi-column map indexes (ie. key of a Map) -* composited-id may now include a many-to-one association -* improvements to Databinder contributed by Brad Clow -* fixed bugs in minIndex, maxIndex, minElement, maxElement -* fixed a problem with JTATransaction in a JBoss BMT bean -* added addMapResource() to the MBean -* minor improvements to Configuration -* more accurate cache entry timestamping to increase the likelihood of cache hits -* JCS cache may now be used with JTATransaction in WebSphere, Weblogic, JBoss (thanks to Matt Baird) -* improvements to CodeGenerator contributed by Andrea Aime -* stopped a TransientObjectException that was being thrown when it shouldn't be -* re-enabled primary key export for tables of sets with not-null elements -* hibernate.statement.fetch_size configuration contributed by Matas Veitas -* added Interceptor application callback interface -* added metadata package to expose persistence metadata to the application -* changed filter() argument type from Collection to Object to allow filtering of arrays and Maps -* added <column> index attribute to allow table indexes to be specified in mapping document -* implemented support for queries against interfaces and abstract superclasses - -Changes in version 1.1.4b (4.10.2002) -------------------------------------- -* fixed problems for JDK1.2 (thanks to Chris Webb) - -Changes in version 1.1.4 (4.10.2002) ------------------------------------- -* New locking API -* disabled 2-phase load for objects contained in Sets (because they should be initialized before equals() or hashCode() is called) -* fixed a bug where non-serializable cache entries could not be cached by JCS auxiliary cache -* fixed a bug in dirty checking PersistentEnums -* deprecated getID() in favor of getIdentifier() (for mainly cosmetic reasons) -* HibernateService may now be subclassed to obtain mapping files by some other mechanism (patch by Chris Winters) - -Changes in version 1.1.3 (1.10.2002) ------------------------------------- -* new 2-phase loading process (replaces complicated "deferred" loading process) -* new ScrollableResults interface for efficiently navigating Query results -* removed deprecated interfaces -* created engine package to hold "internal" APIs (ie. the external contract of the impl package) -* fixed bug where a component defined before all collections in the mapping file caused collections to not be persisted (thanks to Michael Link) -* fixed a bug where cascaded saveOrUpdate was ignoring the unsaved-value setting -* faster Timestamp dirty checking - -Changes in version 1.1.2 (29.9.2002) ------------------------------------- -* added persister attibute of class mapping to support custom persistence strategies -* Support for Oracle outerjoins contributed by Jon Lipsky -* Reworked versioning, fixing bugs (and tightening tests) -* Fixed a bug where an ObjectNotFoundException was thrown for null one-to-one associations -* fixed problems with timestamps introduced in 1.1.1 -* added batch file for running demo - -Changes in version 1.1.1 (27.9.2002) ------------------------------------- -* Major refactoring / abstraction of persistence logic -* added maxIndex, minIndex, maxElement, minElement properties for collections -* added support for class names in where clause of queries -* fixed a bug where an association could become null after caching -* fixed a bug where an NPE could occur for a null component -* fixed minor bugs in SortedMap, SortedSet -* object type is now cacheable -* added big_integer type -* improved dirty checking for timestamp type - -Changes in version 1.1.0 (22.9.2002) ------------------------------------- -* implemented collection indexing with [] in query language -* fixed some minor query-language bugs - -Changes in version 1.1 beta 14 (19.9.2002) ------------------------------------------- -* bags now implement java.util.List -* delete() may now take a transient object -* bug where sorted collections were not being sorted fixed by Brad Clow -* fixed a bug in many-to-many association filtering -* no longer try to query connection metadata when using user-supplied connections -* added hibernate.use_scrollable_resultsets for user-supplied connections -* fixed a problem where sublists were not being proxied -* fixed a problem where Hibernate could not call methods of package-visibility classes -* removed obsolete select attribute from MapGenerator -* multiple occurrences of same path in a query no longer require multiple joins -* added WrongClassException - -Changes in version 1.1 beta 13 (15.9.2002) ------------------------------------------- -* added constants to Lifecycle interface -* fix for circular cascade="save/update" -* fixed a bug in cascaded update introduced in version 1.1 beta 11 -* added object type - -Changes in version 1.1 beta 12 (14.9.2002) ------------------------------------------- -* Session.filter() for applying a filter query to collections -* experimental ODMG API (OQL features are not yet compliant) -* new DBCPConnectionProvider for Apache commons-dbcp connection pool -* Session.lock() now does version number check even on databases with no FOR UPDATE clause -* introduced new cascade styles: cascade="save/update", cascade="delete" -* added default-cascade attribute -* foreign key columns lengths now automatically set to primary key column lengths for SchemaExport -* added error checking of row update counts when batching disabled -* major improvements to ProxyGenerator tool -* CodeGenerator now aware of proxy attribute -* integrated PointbaseDialect contributed by Ed Mackenzie -* fix for problem where Proxies were being initialized on identifier access by Christoph Sturm - -Changes in version 1.1 beta 11 (7.9.2002) ------------------------------------------ -* deprecated update() in favor of saveOrUpdate() and introduced unsaved-value attribute of <id> -* children mapped with cascade="all" are now always saved/updated even without a call to update(parent) -* support for composite-id classes where the composite id consists of properties of the persistent class -* added constrained attribute to <one-to-one> element -* added Validatable interface -* renamed several config properties (Hibernate issues log warnings for obsolete property usage) -* arbitrary JDBC connection properties may now be passed using hibernate.connection.* -* fixed a classloading bug in C3P0ConnectionProvider (introduced in 1.1 beta 10) -* CodeGenerator may now take multiple mapping files on the commandline - -Changes in version 1.1 beta 10 (28.8.2002) ------------------------------------------- -* fixed a bug that occurred when calling Session.update() for an object with no properties -* changed class loading to use the context classloader first -* introduced <timestamp> as an alternative to <version> -* added Query.getReturnTypes() -* fixed a bug with composite-elements introduced in 1.1 beta 7 -* save() may now be used to persist classes with composite-ids -* improved handling of nanoseconds values in Timestamps -* support for composite id properties + objects in select clause of iterate() -* beefed-up collection tests - -Changes in version 1.1 beta 9 (26.8.2002) ------------------------------------------ -* fixed a bug introduced in 1.1 beta 8 that could cause an NPE after deserializing a session with proxies -* deprecated insert() in favor of more flexible save() -* deprecated IDGenerator in favor of new IdentifierGenerator interface -* "assigned" id generator now returns the existing value of the id property instead of throwing an Exception -* fixed a problem where PreparedStatements were not being recached after retrieving a natively generated id - -Changes in version 1.1 beta 8 (25.8.2002) ------------------------------------------ -* fixed a bug introduced in 1.1 beta 6 where an updated element of an indexed one-to-many collection caused an SQLException -* uninitialized collections passed to update() may now be initialized in the new Session -* uninitialized proxies passed to update() may now be initialized in the new Session - -Changes in version 1.1 beta 7 (23.8.2002) ------------------------------------------ -* fixed a bug where Hibernate was not returning statements to the cache when batch updates were disabled -* fixed a bad bug parsing mappings with toplevel one-to-many associations -* fixed a bug with versioning and subcollections -* reworked Set updates again for much improved efficiency -* schema export now creates primary keys for indexed collection tables -* minor refactor to Type hierarchy -* improved some user-error detection -* fixed foreign key constraint creation for MySQL with Innodb tables - -Changes in version 1.1 beta 6b (20.8.2002) ------------------------------------------- -* Fixed a problem updating Sets -* added <bag> mapping for java.util.Collection - -Changes in version 1.1 beta 6 (20.8.2002) ------------------------------------------ -* completely reworked fetching code -- one-to-many associations now always fetched in a single select -- many-to-many associations fetched in a single select when outerjoin fetching is enabled -- this includes nested outerjoin fetching of the associated class! -- outerjoin fetching for <many-to-one> nested inside <component> or <composite-element> -- code refactored to be cleaner and faster -* removed unnecessary order by clause in List and array fetching SQL -* collections now individually update, insert and delete only rows that changed (thanks to Doug Currie) -* fixed a problem where exceptions were being wrapped in a LazyInitializationException for non-lazy collections -* added order-by attribute to <set> and <map> to specify a table column as defining the iteration order (JDK1.4 only) -* improved error detection in Session.update() -* further usage of JDBC2 batch updates -* some fine-tuning of JDBC2 feature usage configuration -* CodeGenerator will now generate components and arrays -* fixed problem where CodeGenerator could not generate classes in the default package -* improved logging of flush() activity -* renamed property hibernate.use_jdbc2 to hibernate.use_jdbc_batch - -Changes in version 1.1 beta 5 (13.8.2002) ------------------------------------------ -* hibernate.query.imports property to allow use of unqualified classnames in queries -* fixed a bug in collection flushing that was introduced in 1.1 beta 4 - -Changes in version 1.1 beta 4 (11.8.2002) ------------------------------------------ -* JMX integration (thanks to John Urberg) -* "having" clause in query language - -Changes in version 1.1 beta 3 (10.8.2002) ------------------------------------------ -* removed the select="all" attribute for <class> mappings - "select distinct" now specified in the hibernate query -* system properties now override hibernate.properties -* Session now flushes changes even less often (only when actual updates to the queried table(s) are waiting) -* fixed a *very* rare problem where an unnecessary update could be accidently issued before a delete - -Changes in version 1.1 beta 2 (6.8.2002) ----------------------------------------- -* fixed a bug exporting schemas with identity columns -* implemented factory-level caching of collections -* Datastore.storeJar() contributed by Christian Meunier -* added <mapping jar="jarfile"> to hibernate.cfg.xml - -Changes in version 1.1 beta 1 (4.8.2002) ----------------------------------------- -* new Query API including named parameters, pageable results -* subqueries in Hibernate queries (only for databases that support subselects) -* new DocBook documentation (contributed by Christian Bauer) -* support collections .elements, .indices inside select clause (even in aggregate functions) -* don't load collections before removal unless absolutely necessary -* mutable="false" attribute in <class> element to map immutable classes -* use JDBC batch to insert collection elements if hibernate.use_jdbc2 is set -* brand new PreparedStatementCache -* improvements to MYSQL dialect for long datatypes -* always check isAccessible() before setAccessible(true) -* removed extra unnecessary table join in queries with one-to-many association -* removed ugly "WHERE 1=1" from generated SQL -* fixed exception mapping a class with no properties (fix by Rob Stokes) -* logging enhancements including SQLException logging -* reworked factory-level cache and integrated JCS support (thanks to Christian Meunier) -* fixed a bug with circular references in cached data -* removed blocking cache support -* now rendering outerjoins as "LEFT OUTER JOIN" because "LEFT JOIN" caused problems for some Sybase versions -* added default Hibernate properties to Dialects -* native id generation now falls back to sequence id generation when identity columns not supported by the dialect -* fixed some problems with native id generation under HSQL -* may now use Session.insert() even when using native id generation - -Changes in version 1.0.1b (18.7.2002) -------------------------------------- -* fixed a bad bug in query parser when hibernate.query.substitutions was unset -* much improved build.xml Ant script -* latest c3p0.jar - -Changes in version 1.0.1 (17.7.2002) ------------------------------------- -* enabled use of scalar values and aggregate SQL functions in select clause of iterate() queries -* fixed bug in JNDI lookup for SessionFactory -* changed ordering of SQL inserts/deletes for child collections of a cascade-enabled association -- better behaviour for some not-null constraints -- performance optimization for bidirectional many-to-one associations -* added hibernate.query.substitutions property to allow named query constants (eg. translate 'true' to '1') -* added locale type for java.util.Locale -* added sequence hi/lo generator (seqhilo.long) -* fixed bug where load(), onLoad() callbacks were sometimes called at wrong time -* fixed an exception (fix by Eric Everman) and improved identifier searching in MapGenerator tool -* refactored SerializableType -* extra logging + error handling -* documentation enhancements - -Changes in version 0.9.17 (3.7.2002) ------------------------------------- -* Added UserType interface -* documented Lifecycle -* added some new trace messages to log -* bugfix to allow SQL functions like upper(), lower(), etc to work on all platforms -* documented SAP DB support (dialect contributed by Brad Clow) -* foreign key constraint export for SAP DB -* map index may be the composite-id of the element class (contributed by Jon Lipsky) -* fixes to CodeGenerator tool (contributed by Uros Jurglic) - -Changes in version 0.9.16 (19.6.2002) ------------------------------------- -* fixed bug cacheing objects with references to themselves -* support for composite ids of classes with no id property -* may now disable outer join (deep) fetching for an association by setting outer-join="false" -* enabled outer join fetching for one-to-one -* fixed a bug for mappings that specify class attribute of <one-to-many> -* fixed a bug where Hashbelt did not expire cached data in a timely fashion -* fixed a mistake in the mapping DTD -* new user-error check in update() - -Changes in version 0.9.15 (15.6.2002) ------------------------------------- -* one-to-one associations -* support for "tricky" mappings in SchemaExport tool (multiple properties to one column, etc) -* Transaction API contributed by Anton van Straaten -* SessionFactory may be bound to JNDI name by setting hibernate.session_factory_name -* Sessions are now Serializable! -* added Session.findIdentifiers() query methods -* new Lifecycle interface to replace deprecated PersistentLifecycle -* fixed problem where session did not autoflush on iterate() queries -* performance enhancements to collection dirty checking -* added Hibernate.configure() and configuration file format -* removed some deprecated methods -* refactored Type hierarchy -* query language identifiers now case sensitive (bugfix for case sensitive SQL dialects) -* username/password now optional for datasource (contributed by Emmanuel Bourg) -* much improved API documentation -* binary types now saved using streams if hibernate.use_streams_for_binary=true (contributed by Jon Lipsky) -* MySQL Strings now mapped to TEXT columns if length > 255 (contributed by Christoph Beck) - -Changes in version 0.9.14 (4.6.2002) -------------------------------------- -* lifecycle objects - properties now have a cascade attribute to cascade save, update, delete -* composite id properties may now be used in queries eg. foo.id.bar (contributed by Jon Lipsky) -* slightly changed semantics of update() so it now also save()s new transient instances -* Session now flushes() itself less often before query execution (performance enhancement) -* fixed problem where Session.save() returned null instead of the natively generated id -* fixed bug with object identity for cached classes -* fixed bug where delete(x) could not be called after update(x) -* MUCH improved Exception hierarchy -* deprecated create() -* added sql-type attribute to <column> tag to allow user to override default type mapping -* deeper fetching with use_outer_join -* new ConnectionProvider framework -* fixed a bug where blocking cache could return stale data -* now working again in JDK1.2.2 -* fixed problem with not-null associations + native key generation -* minor changes to PersistentLifecycle interface -* initial, minimal version of new Transaction mechanism -* MUCH improved documentation - -Changes in version 0.9.13 (25.5.2002) -------------------------------------- -* Datastore.storeResource() to load mapping files from classpath -* fixed a problem executing under JDK1.3 when compiled from JDK1.4 -* documentation improvements - -Changes in version 0.9.12 (24.5.2002) ------------------------------------- -* Session.update() methods to update a persistent instance from transient copy (as requested by many users) -* discriminator column name, type, length, etc now configurable by <discriminator> tag in mapping file -* discriminator column values configurable by discriminator-value attribute of <class> and <subclass> tags -* added Session.insert(object, id) for classes with no identifier property -* fixed another bad bug with connection handling (fix by Anton van Straaten) -* fixed a problem with deferred loading -* fixed a problem with sorted collections (fix by Anton van Straaten) -* nested collections of objects now require 2 SQL SELECTs to load, rather than size+1 -* session is NO LONGER atomic - application should discard session when exception occurs -* fixed problem where character type was mapped to VARCHAR column -* arrays of proxies now possible by using new element-class attribute of <array> tag -* fixed various problems with proxies -* added proxy generation tool -* proxy unit tests -* replaced two RuntimeExceptions with checked exceptions -* made hibernate.username/hibernate.password optional for DriverManager -* CodeGenerator now supports all hibernate basic types -* much improved caching algorithm for compiled queries -* may now specify properties simply by placing hibernate.properties in classpath -* documentation improvements + fixes -* --abstract switch to MapGenerator (contributed by Eric Everman) - -Changes in version 0.9.11 (12.5.2002) ------------------------------------- -* fixed major bug with connection handling (fix by Anton van Straaten) - -Changes in version 0.9.10 (11.5.2002) ------------------------------------- -* set a default schema name using SessionFactory property hibernate.default_schema -* code generator tool contributed by Brad Clow (www.workingmouse.com) -* lazy object initialization under JDK 1.3 and above -* fixed some error messages to go to logging framework, not stdout -* new system property hibernate.show_sql=true logs all executed SQL to stdout -* integration of bugfixes in c3p0 -* wrap IllegalArgumentExceptions in HibernateExceptions -* added ObjectNotFoundException and StaleObjectStateException -* fixed a bug when using schemas -* new caching strategy (and documented cache feature) - -Changes in version 0.9.9 (25.4.2002) ------------------------------------ -* sorted sets and maps (thanks to Doug Currie) -* mapping files may now be loaded using getResourceAsStream() (thanks to Markus Meissner) -* hibernate messages now logged by Apache commons-logging -* default hi/lo generator table now has column named "next_id", instead of "next" -* query language may now refer to identifier property name (eg. foo.fooKey as alternative to foo.id) -* hibernate.jndi_class, hibernate.jndi_url now optional when using datasource -* hibernate now throws an exception if you try to persist an object with a reference to a transient object -* improved connection pooling algorithm (hibernate.pool_size limits pooled conections) -* very experimental integration of c3p0 JDBC connection pool (http://sourceforge.net/projects/c3p0) -* now compiles under JDK 1.2.2 -* fixed bug persisting null components -* fixed bug where cached prepared statements were not cleaned up after disconnect() session -* fixed a null pointer exception in MappingByReflection - -Changes in version 0.9.8 (13.3.2002) ------------------------------------ -* supports database native key generation in Sybase, MS SQL, MySQL, DB2, Hypersonic (contributed by Christoph Sturm) -* supports Mckoi (dialect contributed by Doug Currie) -* supports Progress (dialect contributed by Phillip Baird) -* added exceptions to catch Session reentrancy from PersistentLifecycle.load() + store() -* experimental cross-transaction cache -* Session.lock() and Session.loadWithLock() for pessimistic locking -* HiLoGenerators may now use their own DriverManager connection properties + may now use same table across diff mapping files -* Session.flush(), Session.close() and Session.connection() replace Session.commit(), Session.cancel() -* Session.disconnect() and Session.reconnect() for long transactions -* added single JVM id generators vm.long, vm.hex -* added unique column constraints to mappings -* extensions to IDGenerator framework -* support sequence-style ID generation in Oracle, PostgreSQL, DB2, Interbase - -* fixed problem where subcollections of a collection that changed roles would be deleted -* changed class loading strategy to be compatible with JBoss -* stopped queries retrieving unnecessary columns -* mutable types (binary + serializable) now always detected as dirty - -Changes in version 0.9.7 (26.2.2002) ------------------------------------ -* save() now safe from foreign key violations (so create() is no longer preferred method of adding data) -* delete() now completely safe from foreign key violations - it no longer matters what order objects are deleted in -* removed Session.copy() -* hilo generators now NOT for use with application server datasources - -* fixed two intermittent bugs in queries -* fixed a problem where components not detected as dirty -* fixed broken hilo generator which was not updating database -* fixed a minor bug when hibernate.use_outer_join was set - -Changes in version 0.9.6 (24.2.2002) ------------------------------------ -* experimental XML generation -* added support for bi-directional associations (one-to-set, set-to-set) with <set readonly="true"> config -* reflective generation of mappings tool was contributed by Doug Currie -* Session operations now atomic, so exceptions are recoverable -* made ID properties optional in persistent classes -* support for multiple schemas through schema attribute of <hibernate-mapping>, <class>, <set>, <map>, etc. -* auto-creation of tables for hilo id generators (restriction: cannot use same table from more than one mapping file) -* added some more assertions to catch user "mistakes" like deleting transient or saving persistent objects - -* major rework of collections and fixed some bad bugs -* lazy initialization re-enabled for one-to-many associations (thanks to Georg Schneemayer) -* fixed a problem in the mapping DTD to allow nested components in collections -* fixed a BAD bug in RelationalDatabaseSession when loading objects with PersistentLifecycle callbacks (thanks to Paul Szego) -* fixed problems with quoted strings in query language -* fixed a bug where a stack overflow occurred instead of HibernateException thrown (thanks to Georg Schneemayer) -* fixed a bug deleting updated versioned data -* fixed some problems with name generation for indexes + foreign keys -* fixed problem in Sun JDK 1.4 (only?) where IllegalArgumentException was not handled -* minor improvements to handling of dates and times -* HiLoGenerator now safe for all transaction isolation levels + safe when rollback occurs -* noticed and fixed obscure piece of nonthreadsafe code outside of core persistence engine -* removed unnecessary drop constraints for some dialects - -* MUCH more comprehensive test suite - -* changed some terminology used in documentation -* added javadoc for API classes -* commented the mapping DTD - -Changes in version 0.9.5 (8.2.2002) ------------------------------------ -* supports HypersonicSQL (dialect contributed by Phillip Baird) -* supports Microsoft SQL server (with third party JDBC driver) -* proper command-line tool for schema generation and export -* deprecated the interface cirrus.hibernate.Persistent (due to popular demand) -* changes to hibernate-mapping DTD (required to support optional Persistent interface): -- deprecated <property type="package.PersistentClassName"/> in favor of <many-to-one class="package.PersistentClassName"/> -- deprecated <element type="package.PersistentClassName"/> in favor of <many-to-many class="package.PersistentClassName"/> -- deprecated <property role="..."/> in favor of <collection role="..."/> -- deprecated <element role=".."/> in favor of <subcollection role="..."/> -- deprecated <association> in favor of <one-to-many> -* class attribute optional in <component> and <composite-id> tags (determined by reflection) -* querying components of components now supported -* one-shot table creation (no use of unportable "alter table") -* time dataype support -* reflective mappings of java.sql.Time, java.sql.Timestamp, java.sql.Date -* fixed error msg thrown when class is missing a method but has a superclass -* property names now conform to JavaBean spec ("foo" instead of "Foo"). Note that "Foo" still works -* constructors of persistent classes may now be non-public -* collection indexes now mapped to not-null columns -* fixed obscure bug with querying collections inside components of components -* fixed potential bug related to cacheing of compiled queries -* major rewrite of code relating to O-R mappings -* Session.copy() and Session.equals() as convenience for users -* fixed repeated invocations of hasNext() on iterator + iterators now always work with distinct SQL resultsets -* McKoi dialect was contributed by Gabe Hicks - -Changes in version 0.9.4 (29.1.2002) ------------------------------------- -* fixed BAD bug where XML parsing would not work for parsers other than Xerces - thanks to Christian Winkler -* added some more assertions to catch user "mistakes" like changing ids or reusing existing ids - -Changes in version 0.9.3 (27.1.2002) ------------------------------------- -* repackaged (corrupted DatasourceConnectionProvider.class) -* better exception reporting using datasource -* added Datastore.storeClass() which looks for mapping file in classpath (class foo.Bar -> foo/Bar.hbm.xml) -* improved documentation - -Changes in version 0.9.2 (25.1.2002) ------------------------------------- -* iterate over query results (lazy instantiation of query results) -* added "select foo, bar" style queries returning multiple objects per row -* delete by query -* composite key support -* outer joins for faster (?) loading of associated objects ( set "hibernate.use_outer_join" to "true" ) -* connection pooling when using DriverManager -* foreign key constraint from unkeyed collection table to owner entity table -* improved drop tables script execution (still not infallible) -* added <composite-element> tag -* added not-null properties and elements -* added an optimisation for dates and components -* made some XML attributes optional -* fixed errors in documentation + documented some extra features -* bugfix: store() not getting called on lifecycle interface -* bugfix: schema generation for indexed associations -* added many tests - -Changes in version 0.9.1 (20.1.2002) ------------------------------------- -Too many to list - -version 0.8.1 -------------- -Initial alpha version - Copied: core/branches/Branch_3_1/changelog.txt (from rev 11724, branches/Branch_3_1/Hibernate3/changelog.txt) =================================================================== --- core/branches/Branch_3_1/changelog.txt (rev 0) +++ core/branches/Branch_3_1/changelog.txt 2007-06-19 16:56:21 UTC (rev 11725) @@ -0,0 +1,2051 @@ +Hibernate Changelog +=================== +Note: Newer entries are automatically generated and the description might not +match the actual issue resolution (i.e. a bug might not be a bug). Please +refer to the particular case on JIRA using the issue tracking number to learn +more about each case. + +Changes in version 3.1.3 (2006.03.20) +------------------------------------------- + +** Bug + * [HHH-535] - properties element causes exception in interface/abstract class + * [HHH-1236] - Remove static reference to classloader, to avoid memory leak at webapp reload + * [HHH-1248] - explicit joins to collections in subquery result in join conditions being dropped from sql + * [HHH-1287] - Problem with WAS ExtendedJTATransaction not available when using MDB + * [HHH-1325] - ArrayOutOfBounds expected in DatabaseMetadata.isTable when specifing schema + * [HHH-1419] - Update + Exists doesn't seem to work + * [HHH-1433] - many-to-many with additional 'with' join clause generates bad sql + * [HHH-1435] - many-to-one lazy seems to be broken in 3.1.x + * [HHH-1445] - SchemaUpdate closes shared ConnectionProvider + * [HHH-1453] - Broken exception handling in NullableType + * [HHH-1464] - QueryException from Query.getReturnAliases when query uses "fetch" + * [HHH-1486] - Concurrent access issues with both SoftLimitMRUCache and SimpleMRUCache + * [HHH-1489] - mapped composite is is always assumed as transient + * [HHH-1508] - Session.createQuery() should not flush the session + * [HHH-1531] - NPE with many-to-many and property-ref + * [HHH-1546] - generated version properties fail with multiple actions per flush + +** Improvement + * [HHH-1430] - More complete TransactionManager in GlassFish (SunOne 9) and 8 + * [HHH-1516] - support DataDirect standard jdbc stored procedures + * [HHH-1520] - with clause with implied joins within an explicit join + * [HHH-1526] - Improved DTDEntityResolver + * [HHH-1540] - Better Error Feedback In CollectionEntry.postFlush(PersistentCollection) + * [HHH-1555] - ConnectionReleaseMode.AFTER_STATEMENT and flushes + +** New Feature + * [HHH-1251] - Avoid replicating the clearing of TreeCache on SessionFactory..close() + + +Changes in version 3.1.2 (01.27.2006) +------------------------------------------- + +** Bug + * [HHH-73] - Statistics for HQL queries use pre-processed query string + * [HHH-1306] - HQL parsing problem with join fetching of arrays/collections of values + * [HHH-1370] - Warning in hibernate-mapping-3.0.dtd + * [HHH-1371] - MappingException is thrown when the same column is referenced with different case + * [HHH-1386] - Numeric (long) literals not properly handled by HQL parser + * [HHH-1390] - Session.isOpen() throws exeception when the session is closed with ThreadLocalSessionContext + * [HHH-1391] - Invalid parameter index SQLException when using named parameters after positional parameters + * [HHH-1392] - Proxies cannot be serialized after session is closed + * [HHH-1398] - extends and entity-names broken with mapping-level package attribute + * [HHH-1407] - return-join broken for entity collections + +** Improvement + * [HHH-1364] - Defensive check of isClosed when obtaining a connection from ConnectionManager + * [HHH-1367] - warn level log "this operation breaks ==" may be disturbing + +** New Feature + * [HHH-1372] - Support for MySQL5 new varchar length + +** Patch + * [HHH-1005] - Criteria LEFT JOIN capability when adding Order to associations + +** Task + * [HHH-1373] - Document update versioned + + +Changes in version 3.1.1 (01.13.2006) +------------------------------------------- + +** Bug + * [HHH-853] - DML-style HQL queries and associations + * [HHH-1281] - FORWARD_ONLY ScrollableResults#next() throw GenericJDBCException + * [HHH-1286] - Set entity in HQL query without prefix -> incorrect SQL + * [HHH-1308] - Session.createFilter(...).iterate() results in bogus column names for result set extraction + * [HHH-1314] - float/double literals not sent to the database correctly + * [HHH-1316] - SchemaUpdate : java.sql.SQLException: You cannot commit during a managed transaction! + * [HHH-1328] - org.hibernate.util.SimpleMRUCache keeps a soft reference to the cache key, so cached values get collected prematurely + * [HHH-1336] - ForeignGenerator does not handle transient entities with an entity-name properly + * [HHH-1337] - Mapped <component> generated column names incorrect with ImprovedNamingStrategy + * [HHH-1349] - HQL delete statement problem due to oracle lacking table aliases in delete clause + * [HHH-1361] - creating temporary table for bulk delete will commit current transaction in managed environment such as J2EE + +** Improvement + * [HHH-1019] - Native SQL return-property mapping doesn't support dot-syntax in return-property for components + * [HHH-1290] - Defensive checking of session status + * [HHH-1302] - query.getReturnTypes inconsistent + * [HHH-1304] - better handling of borrowed connections in non-ON_CLOSE release semantics + * [HHH-1309] - schemaupdate does not handle TableHiLoGenerator + * [HHH-1339] - empty property name in mapping file gives imcomprehensible error message + * [HHH-1344] - ANSI-SQL trim function for SQLServer + * [HHH-1345] - ANSI-SQL mod function for SQLServer + * [HHH-1346] - ANSI-SQL bit_length function for SQLServer + * [HHH-1351] - <return-scalar name="blah"/> should be possible + * [HHH-1360] - set autodiscovery flag for SQLQueries when resultsetmappings are used + + +Changes in version 3.1 (12.12.2005) +------------------------------------------- + +** Bug + * [HHH-849] - Cartesian product + implicit joins + * [HHH-1065] - user provided connection not usable by default due to agressive release changes + * [HHH-1101] - associations join fetched in HQL without owner being selected + * [HHH-1133] - Comparators, defined for collections in mapping files, are not set + * [HHH-1149] - NPE flushing reattached entity w/ non-mutable natural-id + * [HHH-1170] - HQL 'cast' function doesn't work with MySQL 4 when casting to string + * [HHH-1187] - Cannot delete a object having a delete-orphan collection when user_rollback_id is set + * [HHH-1191] - HQL fails backward compatibility using classic translator + * [HHH-1194] - hql delete statements with joined-subclass hierarchies with a mapped where attribute at the root + * [HHH-1206] - Mappings.TableDescription is not serializable + * [HHH-1212] - mismatch in entity-modes defined in DTD and EntityMode class + * [HHH-1227] - ClassCastException on DOM4J replicate of Calendar property + * [HHH-1239] - BinaryArithmeticOperatorNode.getDataType() does not properly handle date/time arithmetic + * [HHH-1240] - Track connection leakage in JDBCContext.afterTransactionCompletion() + * [HHH-1245] - Calling the Session should register it with the current JTA txn. + * [HHH-1254] - Serialization of Sessions using JDBCTransactions with auto-flush/auto-close + +** New Feature + * [HHH-1222] - Autodiscover scalar types in native-sql + * [HHH-1243] - allow placeholders to system properties in config properties + * [HHH-1244] - Support for MySQL5 stored procedures + * [HHH-1260] - Configuration.mergeProperties() + +** Task + * [HHH-1066] - Upgrade CGLIB to fix proxy memory leak + * [HHH-1242] - upgrade ANTLR to 2.7.6rc1 + +** Improvement + * [HHH-860] - insert ... select ... and version numbers + * [HHH-926] - TypeDef should be global + * [HHH-1138] - No ConstraintName when using PostgreSQL + * [HHH-1144] - Implement naming convention for temporary test failures + * [HHH-1153] - PropertiesHelper fails reading primitive values from hibernate-mapping when doc has whitespace + * [HHH-1182] - Access to filter metadata + * [HHH-1183] - Getting sql "plan" for DML operations + * [HHH-1197] - Support for HQL delete on MaxDB + * [HHH-1198] - post-insert event pass the entity wo the id field filled when the generator is identity + * [HHH-1213] - make JACC event listeners auto configurable (through initialize(Configuration)) + * [HHH-1215] - Added support for LVARCHAR in InformixDialect + * [HHH-1218] - Add concat() function support to SAPDBDialect + * [HHH-1255] - ThreadLocalSessionContext and Session serialization + +** Patch + * [HHH-967] - executeUpdate on StatelessSession + * [HHH-1172] - Missing configuration templates for the new MimerSQLDialect + +** Deprecation + * [HHH-1229] - deprecate ability for entities to not define identifier properties + + +Changes in version 3.1 rc3 (17.11.2005) +------------------------------------------- + +** Bug + * [HHH-755] - Setter / Getter for property gDate are wrong + * [HHH-764] - XML mapping + * [HHH-1034] - The connection is closed *outside* the JTA transaction in TransactionHelper + * [HHH-1062] - java:comp/UserTransaction not correct for JBoss + * [HHH-1064] - Exception using JTATransaction in WebSphere 6 + * [HHH-1069] - Unnecessary commas generated in select with left outer joins + * [HHH-1075] - New parser "not exists" command bug + * [HHH-1077] - Typo in docs: "equiped" + * [HHH-1080] - HQL delete fails on entities with where-fragments using operators other than '=' + * [HHH-1081] - missing parens in example code for Criteria Associations + * [HHH-1084] - incorrect method name "sql" in Restrictions example, should be "sqlRestriction" + * [HHH-1091] - Can't write transparent CurrentSessionContext for BMT + * [HHH-1098] - Patch for build.sh to be able to build latest version on linux + * [HHH-1106] - HQL "not in" generatad wrong SQL + * [HHH-1111] - JDBCTransaction.rollback() results in a call to Interceptor.beforeTransactionCompletion() + * [HHH-1128] - Column alias clashes under certain circumstances + * [HHH-1146] - latest cvs(11/10/05) hibernate3 issue with classic query + * [HHH-1156] - StatefulPersistenceContext not serializable when property-ref is used + * [HHH-1160] - Incorrect use of getGeneratedKey() for Oracle + +** New Feature + * [HHH-449] - korean hibernate reference manual + * [HHH-1129] - use expected-type in 'untyped' Query.setParameter() + +** Improvement + * [HHH-221] - Proxy for one-to-one with property-ref + * [HHH-844] - move parameter "bookkeeping" into QueryTranslator + * [HHH-1051] - "Compiled" native SQL queries are not cached + * [HHH-1061] - import.sql should allow more human readable and usable files + * [HHH-1078] - <dynamic-component> requires type on property + * [HHH-1120] - Make NamingStrategy to work nicely with HA and EJB3 naming strategy + * [HHH-1142] - added getSelectSequenceNextValString() and getCurrentTimestampSelectString() to TimesTenDialect + +** Patch + * [HHH-1063] - support for 'locate' function in SQLServer and Sybase dialects + * [HHH-1090] - Allow subqueries on criteria to obtain non-string results + * [HHH-1095] - Hibernate takes incorrect HasCode when a lot of CompositeKeys and Lazy loading is involved + * [HHH-1103] - finalize method filter for proxies + * [HHH-1136] - more meaningful AssertionFailure message in org.hibernate.persister.entity.JoinedSubclassEntityPersister.getTableId(...) + + +Changes in version 3.1 rc2 (17.10.2005) +------------------------------------------- +** Bug + * [HHH-1045] - Example contains inner classes that aren't serializable + * [HHH-1055] - optimistic-lock is not inherited from class to subclass et.al. + +** Improvement + * [HHH-702] - auto detect aliasing for collection properties (coll.key, coll.id etc.) + * [HHH-1038] - make 'auto' the default for hibernate.connection.release_mode + * [HHH-1042] - determine "expected type" of parameters during HQL parsing + + +Changes in version 3.1 rc1 (07.10.2005) +------------------------------------------- +** Bug + * [HHH-528] - component.manyToOne.id in HQL causes join + * [HHH-871] - Configuration.setListener(String type, Object listener) throws ClassCastException + * [HHH-873] - referencing raw HQL FromElement alias outide the from clause of update and delete statements generates incorrect sql + * [HHH-876] - PreparedStatement being closed before being executed by AbstractBatcher + * [HHH-884] - SchemaExport does not propagate parent indexes to <union-subclass> tables + * [HHH-887] - Aggressive release and Session.connection() + * [HHH-893] - custom tuplizer are not instantiated for components + * [HHH-905] - $PlaceHolder$ remains in generated SQL when filter is enabled + * [HHH-907] - optimistic-lock="false" for timestamped object results in SQLException: Invalid column index + * [HHH-908] - CLONE -NullPointerException when using BigInteger in a query + * [HHH-911] - CGLIBLazyInitializer and Exceptions + * [HHH-913] - NPE in CMTTransaction since javax.transaction.Transaction is never set + * [HHH-918] - impossible to move objects to another session + * [HHH-924] - Useless OracleErrorCodeConverter (and possibly others) + * [HHH-932] - HQL UPDATE and <union-subclass> + * [HHH-946] - QuerySyntaxException might not be serializable + * [HHH-964] - ORA-00936 with joined subclass / Oracle + * [HHH-986] - Need to check Thread.currentThread().getContextClassLoader() in ConfigHelper + * [HHH-991] - Cannot use comparator class + * [HHH-1000] - varchar(xxx char) not supported on Oracle8i + +** New Feature + * [HHH-950] - interface for SessionFactory.getCurrentSession() handling + + +** Improvement + * [HHH-608] - update HSQLDialect for HSQL 1.8 sequence support + * [HHH-889] - Add read-only cache-mode comment in <query and <sql-query + * [HHH-898] - OracleDialect UTF8 varchar2 + * [HHH-909] - Onquoted primary key in IncrementGenerator + * [HHH-988] - generated="never|insert|always" + * [HHH-989] - add discussion of implicit and explcit joins + * [HHH-1011] - Make disconnect/reconnect of a Session implicit + +** Patch + * [HHH-994] - Sybase/SQLServer support for temporary tables + + +Changes in version 3.1 beta 3 (13.09.2005) +------------------------------------------- +** Bug + * [HHH-528] - component.manyToOne.id in HQL causes join + * [HHH-871] - Configuration.setListener(String type, Object listener) throws ClassCastException + * [HHH-873] - referencing raw HQL FromElement alias of update and delete statements + * [HHH-876] - PreparedStatement being closed before being executed by AbstractBatcher + * [HHH-884] - SchemaExport does not propagate parent indexes to <union-subclass> tables + * [HHH-887] - Aggressive release and Session.connection() + * [HHH-893] - custom tuplizer are not instantiated for components + * [HHH-905] - $PlaceHolder$ remains in generated SQL when filter is enabled + * [HHH-907] - optimistic-lock="false" for timestamped object results in SQLException: Invalid column index + * [HHH-908] - NullPointerException when using BigInteger in a query + * [HHH-911] - CGLIBLazyInitializer and Exceptions + * [HHH-913] - NPE in CMTTransaction since javax.transaction.Transaction is never set + * [HHH-918] - impossible to move objects to another session + * [HHH-924] - Removed ErrorCodeConverters + * [HHH-946] - QuerySyntaxException might not be serializable + +** Improvement + * [HHH-898] - OracleDialect UTF8 varchar2 + * [HHH-909] - Unquoted primary key in IncrementGenerator + + +Changes in version 3.1 beta 2 (16.08.2005) +------------------------------------------- +** Bug + * [HHH-477] - Boolean discriminators generate invalid SQL for PostgreSQL dialect + * [HHH-480] - SchemaExportTask ignores some properties not defined in hibernate.properties + * [HHH-615] - SchemaExport outputFile ignores ant's basedir + * [HHH-770] - hql query execution generates invalid SQL + * [HHH-779] - Assertion failure occured with Hibernate 3 saving objects + * [HHH-781] - SimpleExpression ignorecase regression + * [HHH-799] - merge() and embedded composite identifiers + * [HHH-801] - subselect fetch and named parameters + * [HHH-802] - querying "mapped" composite identifiers + * [HHH-803] - no version increment from delayed collection adds + * [HHH-805] - Session.getStatistics().getEntityCount() throws UnsupportedOperationException + * [HHH-819] - Firebird CONCAT SQL function + * [HHH-821] - query by natural-id cache is not update when object is inserted or deleted + * [HHH-822] - <key-property> will actually pick up <type> tags if it were allowed by the DTD + * [HHH-825] - ReadWrite-Cache issues NullPointerException after modification of an array + * [HHH-839] - Session.refresh not working for custom 'Load' SQL + * [HHH-849] - Cartesian product + implicit joins + * [HHH-854] - Class with mapped composite id can't have subclasses + * [HHH-858] - Autocommit status inconsistent in connections created by DriverManagerConnectionProvider + * [HHH-863] - Hibernate generates "notExists" instead of "not exists" + * [HHH-868] - Missing parens after / or - + +** New Feature + * [HHH-35] - add attribute haltonerror to schemaexport Ant task + * [HHH-182] - Mimer SQL Dialect for Hibernate 3 + * [HHH-704] - Statistics for optimistic lock failures + * [HHH-725] - Allow hooks into all executed sql by a session + * [HHH-783] - collection lazy="extra" + * [HHH-818] - Optimisitc locking using database current timestamp + * [HHH-828] - session.getTransaction() + * [HHH-829] - <cache include="all|non-lazy" ... /> + * [HHH-831] - allow database generated property values + * [HHH-832] - allow database generated property values for versioning + * [HHH-838] - Transaction.setTimeout() + * [HHH-840] - allow definition of "auxiliary" database objects in mapping + * [HHH-846] - Add Intializable interface for events + * [HHH-848] - Validate mappings against JDBC metadata + * [HHH-859] - post-commit events + +** Improvement + * [HHH-133] - schemaexport task: provide independent drop/create output + * [HHH-135] - parameterized types can't be used on key-property or ir (possible others) + * [HHH-552] - NoopAccessor for HQL-only properties + * [HHH-680] - Easier support for doing UserCollectionType's + * [HHH-686] - Final classes and classes with private null ctors cause unhelpful NullPointerException + * [HHH-754] - Allow HQL DML for implicit polymorphism + * [HHH-782] - Avoid unnecessary updates when component property is update='false' but modified + * [HHH-786] - Improve lazy options for <one-to-one> + * [HHH-791] - Use cascade styles when fetching entities in refresh() and merge() + * [HHH-815] - Confusing use of the term "dereference" + * [HHH-830] - Improvements to caching lazy properties + +** Patch + * [HHH-378] - Better LockMode.UPGRADE for DB2 UDB v8.2 + * [HHH-430] - Improved SizeExpression with greater, lesser, not equals, etc. capabilities + * [HHH-735] - SchemaUpdate reads table metadata from wrong schema + * [HHH-780] - org.hibernate.proxy.BasicLazyInitializer reflection hotspot + * [HHH-864] - Use QUERY_CACHE for sessions with filters to improve performance + + +Changes in version 3.1 beta 1 (21.07.2005) +------------------------------------------- + +** Bug + * [HHH-145] - union-subclass and oracle 8i + * [HHH-374] - EJB3 example delete query doesn't work in Hibernate. + * [HHH-447] - EHCache integration prevents multiple session factories + * [HHH-488] - JACCListeners are not working at all + * [HHH-564] - missing commas for implicit joins + * [HHH-577] - joins within subqueries on dbs supporting ansi-joins result in extraneous commas + * [HHH-592] - cast() function doesn't know its returned Hibernate type + * [HHH-639] - CGLIB instrumentation of subclasses + * [HHH-658] - Bug in Alias Name Generation + * [HHH-671] - Firebird support of sequences/generators + * [HHH-679] - setLockMode(LockMode.UPGRADE_NOWAIT) does not translate to correct SQL on Oracle + * [HHH-688] - Bad implementation in org.hibernate.type.CustomType.stringToObject + * [HHH-691] - generated column alias is incorrect if there is a prior relationship and the table column names are similar to the table name + * [HHH-694] - NPE when accessing the SLCache stats with TreeCache + * [HHH-698] - Exception on EG , trying to change immutable id (natural-id) + * [HHH-699] - Incorrect Tablename genetaion when using MySQL Dialect and no Schema definition + * [HHH-708] - Restrictions.in could not be used properly on composite-ids + * [HHH-709] - ArrayType.replaceElements fails if original.length != target.length + * [HHH-718] - HQL "fetch all properties" not working for column level lazy props + * [HHH-726] - ConstraintViolationException with primitive collection + * [HHH-727] - java.lang.StackOverflowError when cascade="true" on both sides of bidirectional one-to-one association using FK + * [HHH-734] - HQL incorrectly parses certain query strings + * [HHH-736] - Use of sql functions containing space not supported in filter conditions + * [HHH-738] - formula property with select-before-update + * [HHH-747] - Order.toSQLString generates incorrect statement + * [HHH-748] - component dereferencing in subquery from clauses + * [HHH-752] - Typo in 8.5.3 bidirectional one-to-one jjoin table example + * [HHH-757] - NullPointerException when using BigInteger in a query + +** New Feature + * [HHH-595] - HQL insert select + * [HHH-597] - Named XML resultsetmappings + * [HHH-696] - handle discriminators on HQL insert + * [HHH-697] - allow bumping versions in HQL update + * [HHH-716] - handle version columns in bulk inserts + * [HHH-723] - Need to be able to pass in javax.sql.DataSource in SF creation + * [HHH-739] - Order.ignoreCase() + * [HHH-741] - select clause subselects + * [HHH-742] - Stateless session + * [HHH-744] - collection fetching in scroll() via "break processing" + * [HHH-768] - <many-to-many property-ref=".."/> + +** Improvement + * [HHH-14] - Add Session.delete(String entityName, Object entity) + * [HHH-295] - cleanup and expose the Tuplizers + * [HHH-352] - HQL bulk and cache + * [HHH-689] - exclude parens for components outside where-clause + * [HHH-743] - {coll.key}, {coll.index}, {coll.element}, etc + * [HHH-745] - EJB3 composite PK style + * [HHH-749] - Cascade merge() and unidirectional one-to-many + * [HHH-750] - use attribute name other than 'type' in dynamic-maps + * [HHH-753] - Replace antlr System.exit with QueryException + * [HHH-769] - property-ref="foo.bar" to a component property + * [HHH-772] - null in maps are handled inconsistently + * [TODO-18] - optimistic-lock="all|dirty" with components + + +Changes in version 3.1 alpha 1 (24.06.2005) +------------------------------------ +** Bug + * [HHH-204] - Wrong/uncommon log name in class ...hql ast ErrorCounter + * [HHH-241] - HQL lexer doesn't support unicode quoted strings + * [HHH-354] - property named "full" breaks HQL queries + * [HHH-493] - WARNING: Keyword 'member' is being intepreted as an ident + * [HHH-538] - length() function does not work in SQLServerDialect + * [HHH-539] - ClassCastException on mapping a property with a formula in a set of composite elements + * [HHH-540] - Mapping a one-to-many collection with a non-null foreign key within a component fails on save + * [HHH-547] - Cannot commit using UserCollectionType and debug logging + * [HHH-548] - many-to-many faulty delete optimization when filter in use + * [HHH-554] - Hibernate 3 HQL to SQL FROM Clause Comma Generation Problem + * [HHH-558] - HQL doesn't support multi-byte character in class name and property names + * [HHH-559] - quoted multi-byte character in HQL is translated into weird character in SQL. + * [HHH-565] - delete-orphan generating AssertionFailure + * [HHH-566] - The result is not correct in 'createQuery("select new Foor(x,x) from Foo").scroll()' + * [HHH-570] - size operator fails on a many to many in HQL + * [HHH-571] - JDK 1.3 Compatibility Issue + * [HHH-573] - error when merging entity graph has cascade level>2 + * [HHH-575] - org.hibernate.cache.FilterKey is not Serializable + * [HHH-589] - parameterized expression inside function + * [HHH-594] - order-by mapping for collections overrides order by in HQL + * [HHH-601] - New temporary table feature assumes all persisters are ready + * [HHH-614] - SchemaUpdate broken in DB2/400 + * [HHH-622] - Spelling mistake 'intepreted' in org.hibernate.hql.PARSER warning + * [HHH-642] - criterias with projection + * [HHH-650] - FilterImpl is Serializable yet FilterDefinition is not + * [HHH-657] - Date parse exception using EntityMode.DOM4J + * [HHH-666] - JTAHelper.isInProgress( txn.getStatus()) throws NPE when txn null + +** New Feature + * [HHH-620] - Extra join conditions in HQL + * [HHH-640] - short-circuit dirty checking for instrumented classes + * [HHH-643] - support mutable="false" for collections + * [HHH-645] - Session.setReadOnly() + * [HHH-549] - portable to_char() function + * [HHH-576] - Hook to pre-process generated select strings in the Dialect + * [HHH-662] - Add support for definition of functional composite key ("properties") in joined subclass + +** Improvement + * [HHH-46] - Allow access to properties that are not joined + * [HHH-261] - Stored procedure support for SQLServer dialects + * [HHH-351] - multi-table bulk operations + * [HHH-574] - improve in naming named-query + * [HHH-596] - Auto-detect {..} in native SQL queries + * [HHH-641] - create constraints for many-to-one property-ref + * [HHH-501] - warn when a final method is tried to be proxied + * [HHH-525] - cglib related startup performance + * [HHH-557] - Helpful error message for non Serializable classes with a composite-id + * [HHH-586] - check immutable natural-ids + * [HHH-609] - Adds substr to PostgreSQL dialect + * [HHH-618] - documentation bugs + +** Patch + * [HHH-224] - JDataStore Dialect and updated Testfiles + * [HHH-366] - InformixDialect SQLExceptionConverter + * [HHH-536] - ImprovedNamingStrategy modifies capitalized column names inappropriately + * [HHH-632] - Informix Dialect missing from automatic dialect discovery + * [HHH-4] - CachedFile bugfix + configuration + autodetect resource as file + + +Changes in version 3.0.5 (25.5.2005) +------------------------------------ + +** Bug + * [HHH-516] - Interceptor.onFlushDirty() sometimes not called + * [HHH-517] - getDatabaseMajorVersion() not available in JDK 1.3 + * [HHH-518] - SQL parser does not recognize all whitespace + * [HHH-519] - broken SQL when traversing many-to-many to joined <subselect> + * [HHH-529] - Bug in merge() + +** New Feature + * added <natural-id> mapping + * [HHH-533] - allow unique-key on <property> and <many-to-one> + * [HHH-534] - efficient cache by natural key + * support for <comment> on MySQL + +** Improvement + * [HHH-526] - log "Aggressively releasing JDBC Connection" as DEBUG instead of INFO + * various logging improvements + + +Changes in version 3.0.4 (23.5.2005) +------------------------------------ + +** Bug + * [HHH-452] - UnsavedValueFactory.instantiate does not wrap the Exception it catches + * [HHH-456] - Session still holds references to entities after close() + * [HHH-457] - Log info for structured second-level cache entries is incorrect + * [HHH-466] - Made default for MS SQL dialect definition more flexible + * [HHH-473] - Formula can't contain SQL cast keyword + * [HHH-484] - Order-by not applied to collections fetched by OuterJoinLoader + * [HHH-487] - Possible empty union in UnionSubclassEntityPersister + * [HHH-505] - Possible NullPointerException in BigIntegerType + * [HHH-507] - Cached List does not show additions + * Fixed bugs in subselect fetching + +** New Feature + * [HHH-455] - Obtain non-intercepted Session by passing an EmptyInterceptor + * [HHH-467] - HQL: support for case when then else end IN select clause + * [HHH-485] - Support multiple collection join fetches (attention: Cartesian product) in native SQL queries + * Added SessionStatistics metric interface + * Added support for table and column level <comment> blocks + * Added Simplified Chinese translation of reference documentation (Xiaogang Cao) + +** Improvement + * Any query may now join fetch >1 collection role (attention: Cartesian product) + * [HHH-454] - Add 2292 integrityViolationCode to Oracle9Dialect + * [HHH-503] - Implemented ViolatedConstraintNameExtracter for HSQLDialect (Frank Grimes) + + +Changes in version 3.0.3 (8.5.2005) +----------------------------------- +* fixed bug in HQL for composite key classes which have a property named the same as the owning entity's id property +* replaced 'connection.aggressive_release' with 'hibernate.connection.release_mode' +* added ConnectionReleaseMode +* added eager fetch for any associations with fetch=join, even after a HQL query, or cache retrieval (EJB3) +* added replicate() isUpdate flag to OnReplicateVisitor, useful for native ids +* fixed ParameterizedTypes order of initialization +* fixed bug in DB2Dialect +* fixed EntityMode.DOM4J creation of duplicate <set> output +* fixed JDBCException error code handling +* fixed Criteria Restrictions.isEmpty()/isNotEmpty() when collection is mapped to superclass +* fixed HQL indexed collections access with no alias +* fixed HQL aggregate functions on components when "id" property is used +* fixed issue with non-cascading refresh to collections +* fixed query-timeout not being applied to bulk HQL (Stephan Fudeus) +* fixed pessimistic locking with Firebird (Yuichi Sugimura) +* updated Ant 1.6.3 +* improved validation of sql queries, throw QueryException if addEntity() nor addScalar() was called +* added automatic dialect detection if no dialect is configured +* added new tutorial (Michael Gloegl, Christian Bauer) + + +Changes in version 3.0.2 (27.4.2005) +------------------------------------ +* fixed union operations on PostgreSQL +* fixed HQL concat() function for Oracle dialect +* fixed auto-close/auto-flush during getCurrentSession() processing +* fixed ClassCastException with EntityMode.DOM4J +* fixed HQL dynamic instantiation with iterate() +* fixed HQL bug with missing parantheses and implicit joins +* fixed bug were Interceptor.getEntity() wasn't called if in cache +* fixed bug in merge() of sorted sets +* fixed bug in EntityMode.DOM4J with non-lazy embedded many-to-ones +* fixed Criteria/Projection ordering bug +* fixed HQL referencing component attribute +* fixed column duplication detection for components +* fixed eager fetching for many-to-many associations +* fixed stack overflow with auto_close_session and aggressive_release and unclosed ScrollableResults/HibernateIterator +* fixed bug in HQL parser regarding naked property refs which reference component properties +* fixed bug with eager fetched arrays not being loaded +* fixed bug in filter against joined-subclass +* improved CacheMode.GET/IGNORE, disabled cache put +* improved HQL support for standard SQL functions, including coalesce() and nullif() +* improved filtering of many-to-many associations +* added HQL support for cast(x as type) if SQL database supports it +* added increment id generation for union-subclass +* added ConnectionProvider.supportsAggressiveRelease() for managed environments +* added support for caching of queries if filter is enabled +* added PreparedStatement count to Statistics +* added transactional/nontransactional read()/get() to Cache API +* added quotation of schema names +* added Distinct to Projection API +* added config parameter 'connection.aggressive_release' + +Changes in version 3.0.1 (18.4.2005) +------------------------------------ +* added HQL tuple constructor/comparison feature +* added HQL "fetch all properties" override if instrumentation is used for lazy loading +* added HQL projection feature, return Lists instead of arrays for projection +* added HQL projection feature, return Maps with user-defined HQL SELECT aliases as keys +* added HQL support for expressions in aggregation functions +* added new IntegrityViolationException to MySQL dialect +* added value mapping type 'big_integer' +* added not-found="ignore|exception" switch for legacy associations (i.e. broken database integrity) +* added fully automatic Session scoping in JTA environments with sf.getCurrentSession() +* fixed bug in DTD that wouldn't allow union-subclass in separate file +* fixed a MS SQL Server case sensitivity issue with native SQL queries +* fixed a minor bug in subselect fetching +* fixed case sensitivity in HQL functions +* fixed a bug with listener assignment for save() operation (Matthew Inger) +* fixed return-property in named SQL queries to work with all identifier names +* fixed TransactionManager lookup (again) for WAS 6.0 +* fixed a bug with HQL batch delete and MS SQL Server +* fixed session not getting closed with auto_close when rollback occured +* improved concatentation handling in AST parser +* updated dom4j to avoid memory leak in old version +* updated C3P0 + + +Changes in version 3.0 (31.3.2005) +---------------------------------- +* added support for autoflush/autoclose to HibernateServiceMBean +* fixed initialization/session association detection problem of collections +* fixed creation of FK constraints to union superclass table +* fixed bug where union-subclass table did not get a PK constraint +* added a separate log category for HQL parser warnings and errors +* fixed bulk delete operation on MS SQL Server +* added support for proxying protected methods (Juozas) +* added support for unicode quoted strings in new HQL parser +* fixed implied joins in subselect WHERE clause in new HQL parser +* added SQLServer7Dialect to handle differences in functions +* added support for JNDI-bound cache instances, future use for JBoss Cache +* added scale attribute to column mappings for numeric precision control +* added fetch=subselect for collections +* added support for bulk update/delete against discriminator-based inheritence hierarchies +* added the ability to use naked property refs in HQL (required in update/delete statements) +* updated CGLIB 2.1.0 +* fixed NPE at BasicEntityPersister.getPropertyIndex (Todd Nine) +* fixed issue with entity-name and subclasses (Sverker Abrahamsson) +* fixed issue with correlated subqueries in new HQL parser +* fixed a problem with native SQL query mapping and embedded composite identifiers +* improved mapping binding, allowing unordered extends for pure entity-name hiearchies +* fixed NPE for delete() with deprecated Lifecycle interface +* fixed a problem with serial joins ending in component value in new HQL parser +* fixed inner join/subselect precedence problem in new HQL parser +* fixed indices() function in new HQL parser +* fixed a bug in InformixDialect, now correct LIMIT clause +* fixed a bug in idbag.remove() (Sebastien Cesbron) +* fixed a conflict on OracleDialect between setMaxResult and LockMode.UPGRADE +* fixed XML configuration file issue with SchemaExport +* fixed an ArrayIndexOutOfBounds problem +* renamed executeUpate() to executeUpdate() +* fixed batch loading for property-ref entities +* fixed loading from cache of <key property-ref> collection owner +* fixed minor bug in SQL exception reporting +* fixed dynamic-component cannot be bound to XML +* fixed querying component with formula property +* fixed incorrect table alias for order-by on many-to-many +* fixed a bug for unidirectional one-to-many with moving child objects +* fixed a bug with union-subclasses and persister creation +* fixed a HQL concatenation problem on MySQL +* fixed a bug where an unnecessary exception was thrown for a property-ref to a superclass property +* fixed minor dtd bug +* fixed new bug in Clob/Blob support +* fixed issue with INDEX_OP and subclass joins on theta-join dialects +* fixed some minor issues in query cache regions, including HB-1449 +* fixed superflous import and regression bug in verifyparameters +* fixed two bugs in select id generator (Malcolm Green) +* fixed increment generator for union-subclass mappings +* updated JBoss Cache to 1.2.1alpha, fixing locking issues +* made stat classes serializable +* fixed merge(), now ignores blob and clob fields +* added support/dialect for TimesTen +* improved algorithm for batch fetching, more aggressive +* improved toStrings()s for Statistics objects (Ryan Lynch) +* renamed <result-*> to <return-*> for externalized SQL query mapping +* renamed Session.openSession() for EntityMode to Session.getSession() +* added support for CASE in HQL +* fixed bug with filters and polymorphic queries +* fixed import ordering problem of super/subclass mappings +* switched to patched ANTLR 2.7.5, now using context classloader before doing class.forname +* TableHiloGenerator now falls back to TableGenerator properly with max_lo < 2 (Emmanuel Bernard) +* better transaction handling of TableGenerator in a JTA environment (Emmanuel Bernard) +* removed hard coded log4j dependency (Emmanuel Bernard) +* added support for stored procedure in named queries (Max Andersen) +* added <property-result> to named SQL queries to allow users to use sql without {}-markup +* added multi-column property support to native SQL mapping + +Changes in version 3.0rc1 (28.2.2005) +---------------------------------- +* introduced EntityModes, and XML mapping preview +* several minor dialect improvements +* fixed a problem where filters were not applied to subclasses +* fixed a problem where InstrumentTask would fail if applied to already-instrumented classes +* fixed many problems with new parser and made it the default (thanks again to Joshua for the new parser) +* implemented bulk update/delete queries for the new parser +* fixed a minor bug in the classic query parser +* renamed create() to persist() as per EJB3edr2 + +Changes in version 3.0 beta 4 (11.2.2005) +----------------------------------------- +* support unidirection one-to-many with a not-null foreign key +* support formulas for index and element of collections +* support one-to-ones mapped to formulas +* fixed a bug in proxying methods that return "this" +* optimized proxies for embededded composite id classes +* fixed a bug affecting <key-many-to-one> +* fixed a bug caching newly inserted objects +* introduced DetachedCriteria +* support subselects in Criteria queries +* miscellaneous Criteria API enhancements +* fixed a problem where hibernate.max_fetch_depth applied to eager fetching via setFetchMode() +* use inner joins for join fetching not-null fk associations +* support unique="true" in <component> and <properties> mappings +* union-subclass hierarchies may own collections (dtd bug) +* added guid support for Oracle +* new mechanism for auto-detecting unsaved-value +* pass state array in delete events +* improved implementation of hibernate.auto_close_session and hibernate.close_before_completion +* fixed a bug where components with only collections would be incorrectly nullified +* fixed a bug where criteria queries with projection could not be cached +* fixed a problem where duplicate column name aliases could be generated + +Changes in version 3.0 beta 3 (30.1.2005) +------------------------------------------ +* Major rework of Criteria queries, support for projection, grouping, aggregation, ordering by any attribute +* various improvements to new HQL parser (Joshua Davis) +* fixed a bug where <join fetch="select"> was broken for subclasses with duplicated property names +* fixed problems with long types in Oracle DDL generation +* added EnhancedUserType, UserCollectionType, UserVersionType +* added CacheMode +* fixed minor performance problem where cascade delete could add objects to second-level cache +* added hibernate.default_batch_fetch_size +* added hibernate.cache.use_structured_entries +* different classes and collection roles may now share a cache region +* don't include discriminators for abstract classes in generated SQL +* it is no longer truly necessary for composite identifier classes to implement equals()/hashCode() (but still recommended) +* workaround for bug in MySQL InnoDB with self-referential foreign keys +* added lazy="true" to many-to-one and one-to-one mappings (requires bytecode instrumentation) + +Changes in version 3.0 beta 2 (24.1.2005) +------------------------------------------ +* added LockAcquisitionErrorCodes to MySQL dialect (Jesse Barnum, Emmanuel Bernard) +* added MultipleHiLoPerTableGenerator, one hi value per row/per table (compliant with EJB3) +* added a generator handling multiple hi values per table (Emmanuel Bernard) +* added events for pre/post SQL operation interception +* added experimental support for JACC-aware configuration and events +* added full support for implicit polymorphism in Criteria queries +* added support annotated classes through XML configuration (Emmanuel Bernard) +* added support for WebSphere's weird TxManagerLookup +* added support for filters with dynamic-class mappings +* added support for lists of parameters in filters +* added support for scalar queries in createSQLQuery (Michael Gloegl) +* added support for scalar results in native SQL queries (Michael Gloegl) +* fixed SchemaExport/SchemaUpdate, now respect default_schema and default_catalog (Michael Gloegl) +* fixed a bug in one-to-one mapping with property-ref +* fixed a bug in the query cache lookup routine +* fixed compilation problems on IBM JDK 1.4. and JDK 1.3.1 +* fixed custom SQL for loading when using composite identifiers +* fixed exception thrown from optimistic locking failures +* fixed support for limit queries (select first ?) in Informix +* improved SchemaExport/Update, now respect default_schema and default_catalog +* improved dialect handling, throw an exception if no dialect has been set +* improved loading of mappings, no ordering of super/subclasses required anymore +* improved statistics for second-level cache +* improved table generators for hi/lo, can now be used in a JTA environment (Emmanuel Bernard) +* query engine: added support for 'trim([leading | trailing | both] [expression from] expression)' +* query engine: added support for DISTINCT and ALL +* query engine: added support for FETCH +* query engine: added support for HAVING count() +* query engine: added support for HQL NOT IN and EJBQL '[NOT] MEMBER OF' +* query engine: added support for ORDER BY COUNT(*) +* query engine: added support for collections of scalar values +* query engine: added support for literals in constructor select expressions. +* query engine: added support for select elements(..) from Foo f +* query engine: added support for template functions in the SELECT clause +* query engine: fixed NOT LIKE +* query engine: introduced EMPTY and added it to constant (support for IS [NOT] EMPTY) +* updated dom4j, OSCache, EHCache, JBoss Cache, Xerces, Xalan, and Log4j +* associated class where filter now applies to <one-to-one property-ref> + +Changes in version 3.0 beta 1 (21.12.2004) +------------------------------------------ +* reimplemented HQL using an ANTLR-based AST parser (Joshua Davis) +* added class="select" id generator +* added Query.setReadOnly() +* added hibernate.order_updates +* introduced cascade refresh +* added typed JDBC exceptions (Steve Ebersole) +* improved lifecycle for CacheProviders (Steve Ebersole) +* added Expression.isEmpty() +* fixed some minor mapping DTD bugs (Ben Sommerville) +* fixed auto-commit mode for SchemaUpdate +* added default-lazy to <hibernate-mapping>, which defaults to true! +* added fetch="join|select" and deprecated outer-join attribute +* fixed a bug where <custom-insert> was not used for entities with "identity" id generation +* fixed some problems with dynamic-class +* added property-level optimistic-lock attribute, to allow an unchecked property +* cascade lock() now cascades with LockMode.NONE +* fixed some bugs in filter handling (Steve Ebersole) +* added hibernate.transaction.flush_before_completion and hibernate.transaction.auto_flush_session +* added JSR-220 compliant create() and merge() operations +* cascade attribute is now multi-valued, with values save-update,create,merge,delete,delete-orphan,lock,evict,replicate,all-delete-orphan +* index and unique-key attributes may now be multi-valued +* introduced unsaved-value="undefined", the default for "assigned" ids and <composite-id>, which forces Hibernate to hit the db +* primitive typed <id> property mappings now default to unsaved-value="0" +* added ScrollMode +* added dialect for Derby (Simon Johnston) +* added MySQLMyISAMDialect and MySQLInnoDBDialect +* added precision and scale mapping attributes, for numeric types in DDL +* fixed a problem with duplicate column mappings on Sybase +* read-write cache now uses version numbers to ensure consistency with database, if available +* native SQL queries may now fetch a collection role (Steve Ebersole) +* added sequential-select, optional and inverse attributes to <join/> +* added <properties> element, which can be the target of a property-ref +* fixed a bug relating to composite property-refs +* Hibernate now much more robust if user does not implement equals()/hashCode() on id and unique key classes +* enabled batch deletes for versioned data +* fixed a minor bug in Session.close() +* removed uuid.string and renamed uuid.hex to plain uuid +* workaround for a MySQL bug in SchemaUpdate +* added JDBCException.getSQL() and made various improvements to exception flow +* createSQLQuery() now fully supports components +* fixed a bug in SQL generation for <joined-subclass> mappings +* fixed a bug where filter and query parameters could be bound in the wrong order (Steve Ebersole) +* fixed a problem where quantifiers could not appear in SQL fragments +* fixed a bug with dynamic components +* fixed a bug where Dialect default properties overrode user-specified properties (Ben Sommerville) +* fixed a bug where duplicate column name in a joined table caused an exception +* implemented two-phase load for dynamic components +* fixed a bug where cancelQuery() canceled a re-pooled statement +* deleted collections are now removed from session-level cache +* fixed a bug in LocaleType (Steve Ebersole) +* use "with rr" to obtain UPGRADE locks in DB2 +* package attribute now significant for extends +* fixed a minor problem with Hibernate Clobs and Blobs +* extends attribute does no longer require specific ordering of mapping files + +Changes in version 3.0 alpha (23.8.2004) +---------------------------------------- +* package rename net.sf.hibernate -> org.hibernate +* checked exceptions are now runtime exceptions +* some session methods deprecated and moved to org.hibernate.classic.Session +* removed various deprecated functionality +* added Filter API and mappings, for temporal, regional and permissioned data (Steve Ebersole, Gavin King) +* support cascade delete via ON DELETE CASCADE constraint +* added extra attributes to named query definition +* added hibernate.use_identifier_rollback +* added subselect mappings +* added lazy="true" to property mappings +* added <join/> for multitable mappings +* added <union-subclass/> for table-per-concrete-class strategy +* added Statistics API and JMX MBean (Gavin King, Emmanuel Bernard) +* introduced new event-driven design (Steve Ebersole) +* support for faster startup with Configuration.addCachableFile() (Joris Verschoor, Max Andersen) +* mask connection password for log level greater of equals to info (Joris Verschoor, Emmanuel Bernard) +* add check of named queries when building SessionFactory (Joris Verschoor, Emmanuel Bernard) +* added custom EntityResolver setting capability (Emmanuel Ligne, Emmanuel Bernard) +* PropertyValueException for null values in not-null properties of components (Emmanuel Bernard) +* enhanced support for single- and no-argument sql-functions in HQL select clause (Michael Gloegl) +* Added catalog element, to enable table names like catalog.schema.table (Michael Gloegl) +* Added <sql-insert>, <sql-update> and <sql-delete> support (Max Andersen) +* Support callable statements (stored procedures/functions) via callable="true" on custom sql (Max Andersen) +* Added support for type parameters and typedefs (Michael Gloegl) +* Added support for JDBC escape sequences in createSQLQuery (Max Andersen) +* Added statistics per SessionFactory (Gavin King, Emmanuel Bernard) +* Added a StatisticsService MBean for JMX publucation (Emmanuel Bernard) +* support for updates via rownum in Oracle +* fixed problems with SchemaUpdate +* support for <column formula="..."/> +* added hibernate.use_sql_comments +* added property-ref to collection <key/> +* fixed performance problems with <one-to-one property-ref=.../> +* enhanced UserType with new methods assemble()/disassemble() +* better algorithm for batch fetch batch sizes +* added <dynamic-class> +* added entity-name concept, and session methods save(entityName, object), update(entityName, object), etc +* added framework in proxy package +* native SQL queries may now fetch a collection role +* added <loader/> for class and collection mappings +* added getEntity() and getEntityName() to Interceptor +* formula-based discriminators and association mappings +* added "guid" id generation strategy +* various improvements to dialects +* <discriminator force="true"/> now acts as a filter on collections +* where filters now apply in the on clause in an outer join +* added hibernate.jdbc.factory_class to select a custom batcher +* session now uses entity name + id to enforce uniqueness, instead of table name + id + +Changes in version 2.1.6 (9.8.2004) +------------------------------------ +* fixed Quickstart/readme.txt instructions +* fixed DB2/400 identity column support +* fixed the scroll() query method +* fixed exotic classloader problems with CGLIB +* added insert="false" for discriminator columns which are part of a composite identifier +* added several new configuration settings to JMX HibernateService +* added new instantiate() method to SessionFactory.getClassMetadata() +* improved the HSQL DB dialect with features from new version +* added hibernate.jdbc.batch_versioned_data (Steve Ebersole) + +Changes in version 2.1.4 (2.6.2004) +------------------------------------ +* improved Session serialization support by adding ability to serialize unflushed sessions (Steve Ebersole) +* fixed Session.clear() functionality to clear the internal nonExists cache (Steve Ebersole) +* much better implementation of scroll() (Steve Ebersole) +* support "select new ..." for iterate() and scroll() (Steve Ebersole) +* added support for multi-parameter SQL functions (Steve Ebersole) +* fixed hbm2ddl generating infinite indexes on MySQL (Michael Gloegl) +* fixed alias precedence in HQL queries, function names are second (Steve Ebersole) +* added "transactional" as allowed cache concurrency strategy in XML configuration file +* improved System.getProperties() with security exception warning in secure environments +* improved Proxool integration, better property handling +* fixed problem with use of getDefinedMethod() in secure environments (Ken Arnold) +* fixed bug in createSQLQuery() which prohibited multiple aliases for the same entity (Max Andersen) +* fixed query cache misses when using named bind parameters (Michael Greer) +* recognize "left" and "right as keywords in SQL fragments +* recognize SQL quoted identifiers in SQL fragments +* improved identity handling on SQL Server by using scope_identity() for update counts (Arthur Fitt) +* added DB2390Dialect for DB2/390 databases (Kristoffer Dyrkorn) +* fixed a bug in toArray() of identifier bag collections (Khachchou Mohammed) +* fixed a problem with DDL generation for serial columns in Informix +* fixed a problem with DDL generation for timestamp columns in Informix (Michael Schmidt) +* fixed a NPE that occurred calling saveOrUpdateCopy() for components +* fixed a bug with replicate() and uninitialized collections +* fixed a bug caching one-to-one associations +* fixed eviction from named query cache regions + +Changes in version 2.1.3 (25.4.2004) +----------------------------------- +* added SELECT-clause SQL function support to main Dialects +* fixed a problem where some unnecessary selects where issued for optional one-to-one associations +* fixed a bug in SQL generation for criteria queries with multiple one-to-many joins +* deprecated everything related to PersistentEnum +* fixed an NPE that occurred when using <one-to-one property-ref> with composite ids +* fixed a problem with JCA adaptor on WebLogic (Michael Gloegl) +* improved behavior when removing elements from <idbag>s +* fixed a bug in getGeneratedKeys() support (Michael Gloegl, Kevin Day) +* fixed a bug when using Criteria queries with collections of joined-subclasses +* fixed an NPE that occurred when calling comparator() on a lazy sorted set (Attila Szegedi) +* fixed a bug when using setMaxResults() with native SQL queries in some Dialects +* validate that composite id classes override hashCode() (Adrien) +* fixed some minor problems with saveOrUpdateCopy() +* fixed some problems in OSCache provider +* fixed an NPE that occurred when calling a lazy collection after evicting from session +* fixed an NPE that occurred when select-before-update is used with unversioned data (Patrick Peralta) +* fixed a bug where dynamic-components could not be queried (Massimo Ferrari) +* SQL formula parser now recognizes all Dialect-specific SQL functions (Anthony Patricio) +* fixed a problem where SQL CASE statements could not appear in SQL formulas +* fixed a problem where subselects with joins could not appear in SQL formulas +* C3P0 and Proxool pools now cleaned up after SessionFactory.close() +* fixed a bug where dirty checking of mutable properties was broken after lock() +* fixed a minor bug where orphan delete was broken for newly saved instances +* added Query.setFetchSize() and Criteria.setFetchSize() +* PreparedStatement pooling in DBCPConnectionProvider can now be disabled (Emmanuel Bernard) +* Query.setProperties(Object) now detects array and collection valued properties and delegates to Query.setParameterList() (Max Andersen, Nick Heudecker) +* lengths of positional parameters and types arrays are now validated +* fixed an obscure problem where a PreparedStatement was not closed + +Changes in version 2.1.2 (4.2.2004) +----------------------------------- +* added Session.isDirty() +* fixed a very obscure concurrency problem with read-write cache for inverse collections +* deprecated Criteria.returnMaps() / Criteria.returnRootEntities() in favor of new ResultTransformer framework +* don't cache objects with dynamic-update="true" or <joined-subclass> mappings immediately after insert/update +* added version checking to saveOrUpdateCopy() +* fixed constraint violations that occurred when mixing identity columns with other id generation strategies +* added Sybase 11.9.2 dialect to support older versions of Sybase that do not support ANSI joins (Colm O' Flaherty) +* added Informix9Dialect (Finn McCann and Max Andersen) +* added DB2400Dialect (Peter DeGregorio) +* fixed a problem where mapping validation failure was reported as duplicate import (Michael Gloegl) +* fixed a problem with Expression.not() in MySQL (Michael Gloegl) +* added support for ResultSet.getGeneratedKeys() (David Morris, John Kristian) +* added check attribute to allow check constraints in DDL +* implicit polymorphism for Criteria queries (Shorn Tolley) +* use IF EXISTS for dropping hilo tables (Michael Gloegl) +* better exception report if deleted object is resaved by cascade +* support nested components in Example queries (Emmanuel Bernard) +* fixed a minor problem with onDelete() callbacks +* fixed an obscure problem with select-before-update +* added SunONETransactionManagerLookup (Robert Davidson) +* fixed a problem with replicate() and <joined-subclass> mappings +* made setParameterList() accept empty lists and deny null values (Max Andersen) +* validation check on query parameters now allows setParameter(x, null) (Max Andersen) +* added default-access to DTD (Max Andersen) +* made Query.setParameterList() accept empty lists and deny null values (Max Andersen) +* allow Query.setParameter(x, null) (Max Andersen) +* queries with "select new" now cacheable +* throw meaningful exception when lazy initialization occurs on disconnected session +* added default-access to <hibernate-mapping> (Max Andersen) +* added -text support to SchemaUpdate (Max Andersen, Matt Hall) +* fixed broken implementation of embedded composite keys with createSQLQuery() (Max Andersen) +* added hibernate.cache.use_minimal_puts config property to reduce unnecessary second-level cache puts +* optimized performance of orphan delete detection (Bertrand Renuart) +* fixed problem where unnecessary UPDATE occurred after INSERT for versioned objects with collections +* WebSphereTransactionManagerLookup for WAS 5.1 (Edina Pimp) +* Criteria queries now cacheable (Mario Ivankovits) +* fixed problem with ordered, paginated queries in DB2 (Tim Collins) +* fixed a bug caching <idbag>s +* lazy="true" collections are now lazy even when available in cache +* fixed a problem with version unsaved-value="negative" +* added hibernate.cache.region_prefix config property (William Drai) +* fixed problem where configuration input streams were not closed (Rajesh Patel) + +Changes in version 2.1.1 (17.12.2003) +------------------------------------- +* added optional package attribute to <hibernate-mapping> +* added <meta-value> element to allow simpler <any> mapping +* native SQL queries are now cacheable - added <synchronize> element to allow correct result set expiry +* fixed a bug in CGLIB2 integration (Chris Nockleberg) +* added NamingStrategy +* don't cache objects with formula properties immediately after insert/update +* log generated SQL to a special category +* type of property with access="field" may now be guessed using reflection + +Changes in version 2.1 final (12.12.2003) +----------------------------------------- +* fixed a problem with CGLIB2 proxies and method calls inside constructors +* fixed a bug running SchemaExportTask with mappings in jar files (Tom McCune) +* allow custom persister declaration for subclasses (Nick Johnson) +* fixed handling of sequences in SchemaUpdate on Oracle (Andrew Delpha) +* fixed a bug where Iterator did not handle single null values correctly +* detect and throw exception in the case of a duplicate property mapping +* don't auto-create indexes for collection foreign keys (roll back to 2.0.x) + +Changes in version 2.1 rc1 (29.11.2003) +--------------------------------------- +* long identifier and discriminator column names are now safely aliased (Max Andersen) +* cleaned up mapping package to allow applications to manipulate metamodel programmatically +* fixed a recent bug where collection sort order was lost in second-level cache +* formula attribute now supported for joined-subclass mappings +* formula properties may now be used anywhere in queries +* dialect-specific query pagination for SQL Server +* fixed a bug where a long path expression ending in collection access by index missed some tables in SQL FROM clause +* fixed a very ancient performance problem where null one-to-one associations caused n+1 selects +* added Session.saveOrUpdateCopy() +* fixed some bugs in Example queries +* fixed some minor bugs in dialect-specific query pagination +* immutable entity passed to update() is now lock()ed instead +* reworked the semantics of nonstrict-read-write +* JCS cache support now deprecated +* fixed some obscure bugs in collection handling +* migrated to CGLIB2 (thanks to Chris Nockleberg) +* fixed bugs in replicate() +* fixed a bug affecting joined-subclass mappings with dynamic-update=true +* performance improvements to boolean type mappings (Bertrand Renuart) +* integrated JBoss TreeCache clustered cache (thanks to Bela Ban and Ben Wang) +* fixed a bug in new query parameter validation (Steve Ebersole) +* fixed a bug where <any> mappings caused unnecessary ObjectDeletedException at flush time +* fixed a bug where associations with property-ref mappings were not properly cached +* throw PropertyValueException when not-null properties are null at flush time +* added unsaved-value attribute to version property mapping (Emmanuel Bernard) +* tolerate classnames containing $ (Steve Ebersole) + +Changes in version 2.1 beta 6 (5.11.2003) +----------------------------------------- +* added Session.cancelQuery() +* improvements to transaction handling for failed commit (thanks to Juergen Hoeller) +* added cascade="delete-orphan" +* fixed an exception that occurred when a property was declared not-null="true" update="false" (thanks to John Kristian) +* support multiple named query cache regions (Mikheil Kapanadze) +* some improvements to collection reattachment +* fixed a bad bug with adds to an uninitialized bag or list +* removed support for <dynabean/> components +* added <dynamic-component/> mapping for properties of type Map +* fixed a bug where schema export generated index names that were too long for DB2 +* allow per-region expiry policies in OSCache (Matthias Bogaert) +* fixed a stack overflow that could occur while initializing nonlazy collections +* fixed a bug in case-insensitive like for Example queries +* fixed a bug in ScrollableResults.setRowNumber() (Martin Priekopa) +* improvements to the cache concurrency strategies + +Changes in version 2.1 beta 5 (30.10.2003) +------------------------------------------ +* Support for custom CollectionPersister (Nick Johnson, Max Andersen) +* Support for named SQL queries (Max Andersen) +* duplicate named queries now throws MappingException instead of just logging warning (Max Andersen) +* fixed problems with WebSphereTransactionManagerLookup (Ralf Taugerbeck, Daniel Bradby) +* added support for custom collection persisters (thanks to Max Anderson, Nick Johnson) +* fixed a performance problem during query compilation (Bulent Erdemir) +* composite keys now supported in createSQLQuery() (Max Andersen) +* fixed JCA adaptor to run in WebLogic (Daniel Bradby) +* integrated SwarmCache (Jason Carreira) +* integrated OSCache (Matthias Bogaert) +* fixed an NPE that could occur with lists and orphan delete +* allow nullable one-to-one with property-ref +* improved usage of Dialect-specific limit SQL +* fixed problem where non-lazy collections held by cached objects were not immediately initialized +* fixed getReturnTypes() for native SQL queries (Max Andersen) +* fixed problems with Criterions that applied to multi-column properties +* check of rowcounts when JDBC batch updates enabled +* added named SQL queries using <sql-query> element (Max Andersen) +* added some extra validations so Hibernate fails earlier when user makes mistakes +* allow lazy="true" as an alternative to proxy="ClassName" +* removed dependency to commons-lang +* SchemaExport now creates indexes for collection foreign key columns if specified by Dialect +* fixed a bug parsing named parameters in setParameterList() +* select new Foo(...) will now tolerate null values if the constructor accepts a wrapper type +* fixed a problem detecting Proxool +* added logging of persistent object states during flush() +* allow "not null" as a discriminator value +* added "parameters" config param to "sequence" generator (Matthias Bogaert) + +Changes in version 2.1 beta 4 (3.10.2003) +----------------------------------------- +* fixed a bug where <any> mappings did not handle proxies correctly +* implemented new optimistic-lock strategies +* fixed several bugs in Criteria query API +* fixed a bug caching property-ref associations +* improvements to XML Databinder (Ara Abrahamian) +* added Session.replicate() and ReplicationMode +* added ScrollableResults.setRowNumber() / ScrollableResults.getRowNumber() +* added query cache and Query.setCacheable() +* added Criteria.returnMaps() +* fixed some problems with CGLIB proxies +* fixed an NPE that occurred when a joined-subclass of a versioned entity defined only collections +* added the access attribute, direct field access and the PropertyAccessor extension point +* added MatchMode for use with Criteria queries (thanks to Michael Gloegl) +* fixed a bug where some lazy="false" collections were not immediately initialized +* fixed problem with WebSphere 5 TransactionManager +* support schema attribute in MySQL, by using an underscore in the table name (Chris Hane) +* now seperate Dialects for Interbase and Firebird (Reha Cenani, Max Andersen) +* removed built-in PreparedStatement cache +* added Session.getSessionFactory() +* fixed problem with native SQL queries and Query.setProperties() (Max Andersen) +* Query now fully validates parameters against the query string before passing them to JDBC (Max Andersen) +* fixed an NPE in SessionFactory.close() +* fixed an NPE that occurred when using <idbag>s +* added SQL-level query results paging to DB2Dialect +* "foreign" id generator now handles detached instances + +Changes in version 2.1 beta 3 (7.9.2003) +---------------------------------------- +* added Example queries +* fixed an exception that occurred at startup with <key-many-to-one> and <joined-subclass> +* fixed a bug where composite-elements were not being updated if a property not in the equals() was changed +* <parent> property of a composite-element may now be used in equals() +* named parameters may now be used in HQL order by clause +* null value of version property now indicates unsaved instance +* added select-before-update attribute +* two-phase loading now use for components +* better implementation of equals()/hashCode() for proxies +* added property-ref attribute to <many-to-one> +* renamed result() to uniqueResult() +* added Session.get() +* added HashtableCacheProvider +* JTA TransactionManager now used even when not using Hibernate Transaction API +* always bypass process-level cache for LockMode.READ + +Changes in version 2.1 beta 2 (27.8.2003) +----------------------------------------- +* <subclass> and <joined-subclass> may now appear outside of a <class> element, by providing the extends attribute (Max Andersen) +* fixed an NPE at startup that was introduced in beta 1 +* fixed a bug in Map.putAll() +* new pluggable cache API +- deprecated <jcs-cache> in favor of <cache> +- net.sf.hibernate.cache.CacheProvider settable via hibernate.cache.provider_class +* more aggressive caching +* added Hibernate.close(Iterator) +* Criteria queries may now include joins +- Criteria.addJoin() +- Criteria.createCriteria() +* hibernate.transaction.manager_lookup_class should now ALWAYS be specified in JTA environment when using jcs caching +* fixed a bug caching <key-many-to-one> +* fixed bug where cached component did not get <parent> property populated +* added hibernate.max_fetch_depth property +* smarter outer-join fetching +* transient object may now be associated with session using Session.lock() +* added Query.result(), Criteria.result() + +Changes in version 2.1 beta 1 (10.8.2003) +----------------------------------------- +* batch-size attribute for collection and class mappings, to allow batch loading +* collections of "value types" (including composite-elements) may now appear in HQL from clause +* more efficient loading of collections, and better handling of non-lazy collections +* added HQL index() function to allow access to collection element index +* added Session.createSQLQuery() (Max Andersen) +* added outer-join attribute to collection mappings +* Criteria.setFetchMode() now applies to collection-valued path expressions +* added property-ref attribute to <one-to-one>, enabling unique foreign key associations +* added hibernate.max_fetch_depth config property +* added hibernate.hbm2ddl.auto config property +* fixed a bug with combination of <jcs-cache> and <key-many-to-one> +* support for Dialect-specific SQL functions in HQL select clause (David Channon) +* added Session.clear() + +Changes in version 2.0.2 (2.8.2003) +----------------------------------- +* subqueries may now use HAVING and GROUP BY clauses +* fixed a bug with setMaxResults(), setFirstResult() in HSQL (introduced in 2.0.1) +* fixed a bug in Set.removeAll() +* fixed a bug in SchemaUpdate (Mathias Bogaert) +* added weak typing functionality to ScrollableResults +* fixed a bug with "calendar" versioning in IBM JDK1.3.1 (workaround for JDK bug) +* fixed a bug in mapping DTD that caused a problem for hbm2java (Max Andersen) +* fixed a bug querying nested components +* SQL generation now prefers ANSI-style inner joins to theta inner joins +* fixed a bug caching collection references loaded using FETCH +* fixed a bug with composite foreign keys in normalized table mappings (Tom Sedge) +* limit support for Interbase (Ludovic Orban) +* added where attribute to <class> mappings +* added cascade="all-delete-orphan" for collection mappings +* fixed a bug binding named parameters with setMaxResults()/setFirstResults() +* fixed some minor bugs in HQL translator +* fixed a long-standing bug where a <key-many-to-one> could not be dereferenced in HQL +* SQL UPDATEs now occur in a predictable order (same order as objects were loaded) +* support for SELECT ... FOR UPDATE in SAPDB +* fixed bug where Criteria queries against a subclass also returned superclass instances +* fixed a very rare bug where an update could get lost with normalized mappings +* fixed a problem with proxied class heirarchies rooted at an interface or abstract class +* where and order-by attributes now allow SQL function calls and subselects +* added formula attribute to <property> tag, to allow "computed" properties +* fixed a bug where PreparedStatements were sometimes not closed when an exception occured +* workaround for a problem with <joined-subclass> and Interceptor.onFlushDirty() + +Changes in version 2.0.1 (17.6.2003) +------------------------------------ +* fixed some problems with new dialect-specific LIMIT clauses +* improved parsing of collection where attribute +* made one-to-many bags more efficient (they are really sets!) +* allowed type="calendar" for <version> properties +* fixed a bug with locking a versioned composite-id class +* refresh() may now take a transient instance +* added ProxoolConnectionProvider (Martin Crawford) +* fixed some minor JCA issues (Mike Mosiewicz) +* fixed a bug with FETCH and sorted associations +* improved performance of SchemaUpdate tool (Teodor Danciu) +* fixed a bug in Configuration.addFile(String) (Ken Geis) +* tidied up and documented hbm2ddl package (esp. Ant tasks) +* deprecated CounterGenerator in favor of IncrementGenerator +* improved logging during initialization +* deprecated "vm" in favor of "increment" id generator + +Changes in version 2.0 final (8.6.2003) +--------------------------------------- +* added "fetch" keyword to HQL +* added evict() methods to SessionFactory for JVM-level cache +* destroy caches from SessionFactory.close() +* fixed an NPE in Session.evict() (Simon Spero) +* added Query.setLockMode() +* tidied up implementation of Loader +* release ResultSets more aggressively +* miscellaneous improvements to some Dialects +* hbm2java now honors the sort attribute (Max Andersen) +* added exceptions to Interceptor interface +* fixed problem with setMaxResults(), setFirstResult() in Oracle (introduced in beta 6) +* fixed some SQL generation that was a problem for Sybase (Dietmar Posselt) +* fixed some problems with ODMG API (Oliver Gries) +* added JOTMTransactionManagerLookup (Low Heng Sin) +* added JOnASTransactionManagerLookup (?) +* fixed a bug in WeblogicTransactionManagerLookup (Mathias Bogaert) +* added Criteria.setFetchMode() +* added new Expressions +* much more elegant/robust handling of quoted identifiers +* renamed Hibernate.association() to Hibernate.entity() +* added dynamic-update and dynamic-insert mapping attributes +* fixed a bug with refresh() of objects with collections +* HQL aliases now optional - "from Cat" now legal +* platform-independant quoting of identifiers using backticks + +Changes in version 2.0 beta 6 (10.5.2003) +----------------------------------------- +* fixed a bug querying one-to-many associations to a <joined-subclass> +* added support for dialect-specific LIMIT-style clauses (David White) +* added <idbag> +* fixed bug in hashCode() of persistent collections +* <joined-subclass> now supported in HSQL (Wolfgang Jung) +* fixed problem for XML parsers which ignore default values declared in DTD +* <meta> tags can now be set to not be inheritable +* fixed bug in Expression.in() +* fixed an NPE that could occur from update() in very strange cases (Chris Nockleberg) +* disabled outer-join back to owner when initializing one-to-many (performance improvement) +* fixed a bug in Query.setParameterList() (Nick Heudecker) +* improved JCA support (Igor Fedorenko) + +Changes in version 2.0 beta 5 (21.4.2003) +----------------------------------------- +* Informix support (Steve Molitor) +* fixed a bug parsing "select new ... " queries +* deprecated "object" type in favor of <any> mappings +* added Session.contains() +* added extra DBCP config options (Alex Burgel) +* SessionFactory.close() now unbinds from JNDI +* added Session.evict() +* got rid of an unnecessary SQL DELETE issued when an empty collection was dereferenced +* where attribute of collection mappings no longer ignored for deletion +* improved logging +* support polymorphic associations to "embedded" composite id classes +* various bugfixes to collection filter parameter binding +* fixed some problems with proxies introduced in earlier beta versions +* fixed bug with self-reference in the case of identity column id generation +* added hibernate.cglib.use_reflection_optimizer property +* added nonstrict-read-write cache +* fixed an SQL-generation bug in new Criteria API +* added CompositeUserType +* sequence and table id generators now aware of default-schema +* added update and insert attributes to <component> element +* fixed a bug with expressions like elements(foo.bar.baz) in where clause +* more efficient Set initialization (two-phase load) +* removed support for hibernate.query.imports and added <import> mapping element +* fixed problem in DBCP connection validation and added new config properties +* hbm2java can now generate finder methods for persistent objects (experimental) (Matt Hall) +* hbm2java small fixes/refactorings to support generating more than one file per persistent object (Max Andersen) + +Changes in version 2.0 beta 4 (22.3.2003) +----------------------------------------- +* Major HQL improvements +- from "Foo as foo join foo.bars as bar" instead of "from foo in class Foo, bar in elements(foo.bars)" +- "select new Foo(bar.name, bar.amount) from ...." +- outer and full join support +* Query methods now return this, to allow chaining +* FrontBase support (Run Lussier) +* experimental JCA support (Daniel Bradby) +* hbm2java now can generate Beans style property events (Klaus Zimmermann) +* support SQL identifiers quoted with [] +* fixed bug with PostgreSQL +* name attribute now optional in .cfg.xml +* support for postgres ilike operator (M Lang) +* squash warnings with GNU JAXP (Chris Nockleberg) +* fixed a bug in Query.setParameterList() +* Ingres support (Ian Booth) +* collections now detect changes not made via wrapper for newly saved objects +* new (experimental) Criteria + Expression APIs +* Query.setEntity(), etc, now aware of proxies (also improved hueristics for guessing Type) +* added Hibernate.isInitialized() +* detect changes made directly to newly-wrapped collection (ie. not via the wrapper) +* added Hibernate.refresh(Object, LockMode) +* update(), saveOrUpdate() no longer initialize a proxy +* fixed problems with Sybase +* added force attribute to <discriminator> +* improved handling of null discriminator-value +* support SQL-style '' escape for HQL strings + +Changes in version 2.0 beta 3 (24.2.2003) +---------------------------------------- +* collections now represent null elements as a missing row +* collections now deserialize correctly (fix for bug in beta 2) +* standardised on dom4j for XML parsing +* fixed bugs in collection caching (an exception occurred for some sorted collections and some kinds of maps) +* allowed null discriminators +* set autocommit to true in SchemaUpdate +* fixed a stack overflow that could occur in toString() of classes created with hbm2java (Max Andersen) +* fixed a bug where composite-element <parent> property was not being set after retrieval from cache +* added where attribute to collection mappings to allow filtering +* fixed a exception that occurred when wrapping collections with sort="MyComparator" (Jason Horne) +* objects with mutable="false" are now never updated +* fixed an exception that occurs with <key-many-to-one> association to a class with a composite id (Stefano Travelli) +* added SchemaExport Ant task (Rong C Ou) +* integrated latest CGLIB release (Juozas Baliuka) +- added support for new CGLIB reflection optimizer (Juozas Baliuka) +* improved query cache algorithm (Who?) +* fixed a bug in "object" type +* Lists and arrays now represent null elements as a missing row +* fixed a bug in Hibernate PreparedStatement cache where maxRows and fetchSize were not cleared before re-caching +* fixed a bug in HibernateService that caused a restart to fail +* added SybaseAnywhereDialect (?) +* added SessionFactory.close() + +Changes in version 2.0 beta 2 (2.2.2003) +---------------------------------------- +* property column names may now be of any length (Mark Woon) +* fixed problem where CodeGenerator created private get/set pairs (Max Andersen) +* fixed all silly bugs in Configuration.configure() +* efficient collection updates from Session.update() +* added <jcs-class-cache> and <jcs-collection-cache> elements to hibernate-configuration.dtd +* support for normalized mappings for databases with DECODE instead of CASE (Simon Harris) +* added Oracle9Dialect +* added JRun4TransactionManagerLookup (Joseph Bissen) +* fixed JDBCException to keep reference to underlying SQLException +* fixed a bug loading many-to-many associations with a repeated column name +* fixed a bug in ShortType +* added IngresDialect (Ian Booth) +* added --config option to SchemaExport + +Changed in version 2.0 beta 1 (28.1.2003) +----------------------------------------- +* renamed packages to net.sf.hibernate.* +* all API methods now wrap SQLExceptions +* removed support for toplevel collections / subcollections +* created hibernate-mapping-2.0.dtd +- renamed 'readonly' attribute to 'inverse' +- renamed 'role' attribute to 'name' +- changed default value for 'unsaved-value' to "null" +- added mandatory 'name' attribute to <param> +- added <meta> tag +* created hibernate-configuration-2.0.dtd +* brand new Configuration API, including exposed mapping package +* completely reworked IdentifierGenerator framework +- built-in generators now auto-detect the type (so integer identity columns are supported, for example) +- parameters are now named +- built-in strategies are renamed +* expanded Interceptor interface +* removed exceptions that occur if an object is saved or deleted multiple times in a session +* added <parent> subelement to <composite-element> and <nested-composite-element> +* collections except for <bag>s now implement by-value equals() and hashCode() +* removed all deprecated methods +* added Session.refresh() +* added dynamic-update functionality +* added update and insert attributes to <property> and <many-to-one> mappings +* added elements(), indices(), size(), maxelement(), minelement(), maxindex(), minindex() collection functions to query language +* huge improvements to CodeGenerator (Max Andersen) +* enhanced outerjoin fetching support in queries +* experimental support for DynaBeans as components + +Changes in version 1.2.3 (28.1.2003) +------------------------------------ +* fixed a recently-introduced problem with Timestamp dirty checking +* added createClob(), createBlob() for streams (Benoit Menendez) +* SchemaUpdate now configures Dialect correctly (Michael Locher) +* update() now working for classes with embedded composite ids +* unsaved-value attribute now recognized for <composite-id> +* fixed a minor problem where a very specific kind of SQL select did not qualify a column name +* added Query.getQueryString() +* fixed an NPE that sometimes occurred when hibernate.connection.username was not specified +* fixed a bug in SchemaExport where foreign key constraints did not use qualified tablenames +* added isFirst(), isLast() to ScrollableResults +* fixed bug finding properties inherited by mapped interfaces + +Changes in version 1.2.1b (4.1.2003) +------------------------------------ +* fixed an NPE that occurred while loading Hibernate classes in IBM JVM +* arbitrary JNDI InitialContext properties may now be passed as hibernate.jndi.* +* fixed a problem where index column was not being nullified when an entity was removed from a one-to-many + +Changes in version 1.2.1 (31.12.2002) +------------------------------------- +* Changed the MySQL mapping of Hibernate "timestamp" to MySQL "DATETIME" (Matthias Schwinn) +* TransactionManagerLookup classes now define defaut UserTransaction JNDI names +* support for WebSphere 5 (Venkat Srinivasan) +* fixed a bug with query expressions of the form "foo.bar.id" for normalized mappings +* experimental Blob/Clob support (thanks to Benoit Menendez and Mark Woon) +* improvements to SchemaUpdater (Benoit Menendez) +* deprecated suspendFlushes() / resumeFlushes() in favor of FlushMode +* deprecated IDGenerationException in favor of IdentifierGenerationException +* fixed a bug introduced in 1.2 final where cascade save-update was sometimes ignored for readonly="true" bags +* fixed a bug caching null-valued one-to-one associations +* CodeGenerator now supports <bag> and <joined-subclass> +* fixed problem with TimestampType on DB2 (Jonas) +* fixed a bug in generated SQL for collections with <joined-subclass> mappings (Robson Miranda) +* fixed a bug caching Maps (Benoit Menendez) +* SchemaExport now accepts a .jar file as a source of mappings +* hibernate.dbcp.validationQuery setting (Juozas Baliuka) +* hibernate.c3p0.validate setting +* added Query.setTimeout() +* setMaxResults() now behaves sensibly on SAPDB (Russel Smyth) +* added Query.setProperties() and Query.getNamedParameters(), fixed a bug in Query.getReturnTypes() +* CodeGenerator now generates equals() and hashCode() for composite-id classes (and toString() for all classes) +* CodeGenerator now includes superclass properties in subclass constructors (Max Andersen) +* added Hibernate.custom() + +Changes in version 1.2 final (7.12.2002) +---------------------------------------- +* fixed a bug where uppercase IS NOT NULL, NOT IN, etc were not parsed correctly +* addition to readonly="true" bags now no longer requires collection initialization +* added ResinTransactionManagerLookup (Aapo Laakkonen) +* improved exception message when setting null to primitive type (Max Andersen) +* improved exception message for an unserializable identifier +* support for overloaded setter methods (patch by Alex Staubo) +* CodeGenerator support for <composite-element> (patch by Wolfgang Jung) + +Changes in version 1.2 beta 4 (29.11.2002) +------------------------------------------ +* fixed bugs in one-to-many associations to a <joined-subclass> +* LockMode class now properly serializable +* exceptions thrown by proxied objects are now propagated correctly (rather than being wrapped) +* made Calendar types compilable in JDK1.2 +* added --format and --delimiter options to SchemaExport (thanks to Richard Mixon) +* fix for problem with class with no properties + native id generation + MS SQL Server contributed by Max Andersen +* fixed a BAD bug in Hibernate.configure() (thanks to Rob Stokes) +* CodeGenerator now recognizes <key-many-to-one> (patch by Wolfgang Jung) +* CodeGenerator now recognizes <version> and <timestamp> (patch by Max Andersen) + +Changes in version 1.2 beta 3 (26.11.2002) +------------------------------------------ +* fixed bug in UPDATE SQL generation for <joined-subclass> mapping strategy (fix by Robson Miranda) +* support <composite-id> correctly in CodeGenerator (patch by Tom Cellucci) +* fixed an exception that occurred with short qualified tablenames +* added the polymorphism attribute to the <class> element +* allow "not between", "not in" in query language +* allow subqueries beginning with a from clause in query language +* query expressions like "not (foo.bar.baz=1)" now translated to "(bar.baz!=1 and foo.bar=bar.id)" +* support for PostgreSQL ~ operator (regular expression match) +* load(id, lockMode) now working for normalized table mappings +* now compiling properly under JDK1.2, 1.3 (fix by Tom Cellucci) +* support for subcollections in query language: foo.bars[2]['index'], foo.bars[4].elements, foo.bars[0].size, etc. +* added calendar and calendar_date types +* find() queries may now return scalar values +* component-type properties may appear in a select clause +* ConnectionProviders now set isolation level before toggle autocommit +* Iterator.next() now throws NoSuchElementException as per Iterator contract (fix by Alex Staubo) +* database reverse engineering GUI tool contributed by Tom Cellucci +* SchemaExport now generates column in mapping file order (rather than alphabetical order) +* <joined-subclass> mappings working on Oracle (?) + +Changes in version 1.2 beta 2 (15.11.2002) +------------------------------------------ +* support multi-argument SQL functions in queries +* reintroduced deprecated form of update() with slightly altered semantics +* fixed BAD problem in the generated SQL for certain queries +* added OrionTransactionManagerLookup + +Changes in version 1.2 beta 1 (11.11.2002) +------------------------------------------ +* Fixed a bad bug binding to JNDI with servers that use serialization in preference to getReference() +* support for quoted SQL identifiers (patch by Jean-Francois Nadeau) +* Hibernate.initialize() allows the user to force initialization of a proxy or persistent collection +* fix to minor bug in CodeGenerator by Max Andersen +* fixed a problem with outerjoin fetching of one-to-one associations defined on subclasses +* fixed a minor problem with proxies of classes that override finalize() +* finished work on normalized table mappings using <joined-subclass> declaration (only for databases with ANSI OUTER JOIN and CASE) +* deprecated hibernate-mapping.dtd in favor of hibernate-mapping-1.1.dtd +* reworked unmapped class / interface / table-per-concrete-class query functionality, fixing several problems +* removed deprecated methods +* deprecated findIdentifiers() +* fixed some problems with embedded composite identifiers +* fixed a bug cascading deletes to one-to-one associations +* CodeGenerator now generates isFoo() style getters for boolean properties (patch by Aapo Laakkonen) +* components may now have a nonpublic constructor (patch by Jon Lipsky) +* changes / bugfixes to MapGenerator tool +* experimental SchemaUpdate tool contributed by Christoph Sturm + +Changes in version 1.1.8 (30.10.2002) +------------------------------------- +* full support for composite keys in query language +* fixed bug where character type could not be null +* fixed bug parsing collection filters like: "group by this.date" +* fixed a bad bug where C3P0 properties were not always being used +* replaced hibernate.use_jdbc_batch with hibernate.jdbc.batch_size +* renamed some other properties to hibernate.jdbc.* +* made hibernate.show_sql settable from JMX (patch by Matas Veitas) +* added SessionFactory.getAllClassMetadata(), getAllCollectionMetadata (patch by Max Andersen) +* allowed use of concrete-class proxies with inherited classes ie. <subclass name="ConcreteClass" proxy="ConcreteClass"> +* HibernateException extends Apache commons lang NestableException (patch by Max Andersen) +* <parent> subelement of <component> allows a component to get a reference back to owning entity +* Query.setParameterList() to bind lists of values to "in (:list)" +* Java constants may now be used in Queries +* serialization of an object graph now removes all initialized proxies +* several other improvements to proxy handling +* proxies may now be used in JDK 1.2 + +Changes in version 1.1.7 (25.10.2002) +------------------------------------- +* added Session.createFilter() +* fixed a bug parsing queries with properties of form idXXX (introduced in 1.1.6) +* fixed a bug parsing queries with the id property named in the select clause (introduced in 1.1.6) +* fixed a bug dirty checking big_decimal (fix by Andrea Aime) + +Changes in version 1.1.6 (24.10.2002) +------------------------------------- +* classes without subclasses may now declare themselves as their own proxy +* outer-join attribute now working for component properties and <many-to-many> +* outer-join="true" will now force outerjoin loading for an association even if associated class has a proxy +* enabled oracle-style outerjoins for SAP DB +* version properties may now be long or short (previously always integer) +* discriminators may now be boolean type +* fixed the foo.bar.id.baz syntax for queries doing composite-key joins +* fixed an NPE that occurred when no Dialect was specified +* CodeGenerator now fully proxy-aware (patch by Max Andersen) +* removed dependency upon trove4j + +Changes in version 1.1.5b (20.10.2002) +-------------------------------------- +* fixed an NPE that occurred on JMX startup +* smarter fetching for one-to-one associations + +Changes in version 1.1.5 (19.10.2002) +------------------------------------- +* added built-in currency and timezone types +* hibernate-mapping-1.1.dtd +- added <index-many-to-many> and <composite-index> subelements of <map> +- added <key-property> and <key-many-to-one> +- renamed "save/update" to "save-update" +- tightened up the dtd (now using enumerated attribute types) +* enabled multi-column map indexes (ie. key of a Map) +* composited-id may now include a many-to-one association +* improvements to Databinder contributed by Brad Clow +* fixed bugs in minIndex, maxIndex, minElement, maxElement +* fixed a problem with JTATransaction in a JBoss BMT bean +* added addMapResource() to the MBean +* minor improvements to Configuration +* more accurate cache entry timestamping to increase the likelihood of cache hits +* JCS cache may now be used with JTATransaction in WebSphere, Weblogic, JBoss (thanks to Matt Baird) +* improvements to CodeGenerator contributed by Andrea Aime +* stopped a TransientObjectException that was being thrown when it shouldn't be +* re-enabled primary key export for tables of sets with not-null elements +* hibernate.statement.fetch_size configuration contributed by Matas Veitas +* added Interceptor application callback interface +* added metadata package to expose persistence metadata to the application +* changed filter() argument type from Collection to Object to allow filtering of arrays and Maps +* added <column> index attribute to allow table indexes to be specified in mapping document +* implemented support for queries against interfaces and abstract superclasses + +Changes in version 1.1.4b (4.10.2002) +------------------------------------- +* fixed problems for JDK1.2 (thanks to Chris Webb) + +Changes in version 1.1.4 (4.10.2002) +------------------------------------ +* New locking API +* disabled 2-phase load for objects contained in Sets (because they should be initialized before equals() or hashCode() is called) +* fixed a bug where non-serializable cache entries could not be cached by JCS auxiliary cache +* fixed a bug in dirty checking PersistentEnums +* deprecated getID() in favor of getIdentifier() (for mainly cosmetic reasons) +* HibernateService may now be subclassed to obtain mapping files by some other mechanism (patch by Chris Winters) + +Changes in version 1.1.3 (1.10.2002) +------------------------------------ +* new 2-phase loading process (replaces complicated "deferred" loading process) +* new ScrollableResults interface for efficiently navigating Query results +* removed deprecated interfaces +* created engine package to hold "internal" APIs (ie. the external contract of the impl package) +* fixed bug where a component defined before all collections in the mapping file caused collections to not be persisted (thanks to Michael Link) +* fixed a bug where cascaded saveOrUpdate was ignoring the unsaved-value setting +* faster Timestamp dirty checking + +Changes in version 1.1.2 (29.9.2002) +------------------------------------ +* added persister attibute of class mapping to support custom persistence strategies +* Support for Oracle outerjoins contributed by Jon Lipsky +* Reworked versioning, fixing bugs (and tightening tests) +* Fixed a bug where an ObjectNotFoundException was thrown for null one-to-one associations +* fixed problems with timestamps introduced in 1.1.1 +* added batch file for running demo + +Changes in version 1.1.1 (27.9.2002) +------------------------------------ +* Major refactoring / abstraction of persistence logic +* added maxIndex, minIndex, maxElement, minElement properties for collections +* added support for class names in where clause of queries +* fixed a bug where an association could become null after caching +* fixed a bug where an NPE could occur for a null component +* fixed minor bugs in SortedMap, SortedSet +* object type is now cacheable +* added big_integer type +* improved dirty checking for timestamp type + +Changes in version 1.1.0 (22.9.2002) +------------------------------------ +* implemented collection indexing with [] in query language +* fixed some minor query-language bugs + +Changes in version 1.1 beta 14 (19.9.2002) +------------------------------------------ +* bags now implement java.util.List +* delete() may now take a transient object +* bug where sorted collections were not being sorted fixed by Brad Clow +* fixed a bug in many-to-many association filtering +* no longer try to query connection metadata when using user-supplied connections +* added hibernate.use_scrollable_resultsets for user-supplied connections +* fixed a problem where sublists were not being proxied +* fixed a problem where Hibernate could not call methods of package-visibility classes +* removed obsolete select attribute from MapGenerator +* multiple occurrences of same path in a query no longer require multiple joins +* added WrongClassException + +Changes in version 1.1 beta 13 (15.9.2002) +------------------------------------------ +* added constants to Lifecycle interface +* fix for circular cascade="save/update" +* fixed a bug in cascaded update introduced in version 1.1 beta 11 +* added object type + +Changes in version 1.1 beta 12 (14.9.2002) +------------------------------------------ +* Session.filter() for applying a filter query to collections +* experimental ODMG API (OQL features are not yet compliant) +* new DBCPConnectionProvider for Apache commons-dbcp connection pool +* Session.lock() now does version number check even on databases with no FOR UPDATE clause +* introduced new cascade styles: cascade="save/update", cascade="delete" +* added default-cascade attribute +* foreign key columns lengths now automatically set to primary key column lengths for SchemaExport +* added error checking of row update counts when batching disabled +* major improvements to ProxyGenerator tool +* CodeGenerator now aware of proxy attribute +* integrated PointbaseDialect contributed by Ed Mackenzie +* fix for problem where Proxies were being initialized on identifier access by Christoph Sturm + +Changes in version 1.1 beta 11 (7.9.2002) +----------------------------------------- +* deprecated update() in favor of saveOrUpdate() and introduced unsaved-value attribute of <id> +* children mapped with cascade="all" are now always saved/updated even without a call to update(parent) +* support for composite-id classes where the composite id consists of properties of the persistent class +* added constrained attribute to <one-to-one> element +* added Validatable interface +* renamed several config properties (Hibernate issues log warnings for obsolete property usage) +* arbitrary JDBC connection properties may now be passed using hibernate.connection.* +* fixed a classloading bug in C3P0ConnectionProvider (introduced in 1.1 beta 10) +* CodeGenerator may now take multiple mapping files on the commandline + +Changes in version 1.1 beta 10 (28.8.2002) +------------------------------------------ +* fixed a bug that occurred when calling Session.update() for an object with no properties +* changed class loading to use the context classloader first +* introduced <timestamp> as an alternative to <version> +* added Query.getReturnTypes() +* fixed a bug with composite-elements introduced in 1.1 beta 7 +* save() may now be used to persist classes with composite-ids +* improved handling of nanoseconds values in Timestamps +* support for composite id properties + objects in select clause of iterate() +* beefed-up collection tests + +Changes in version 1.1 beta 9 (26.8.2002) +----------------------------------------- +* fixed a bug introduced in 1.1 beta 8 that could cause an NPE after deserializing a session with proxies +* deprecated insert() in favor of more flexible save() +* deprecated IDGenerator in favor of new IdentifierGenerator interface +* "assigned" id generator now returns the existing value of the id property instead of throwing an Exception +* fixed a problem where PreparedStatements were not being recached after retrieving a natively generated id + +Changes in version 1.1 beta 8 (25.8.2002) +----------------------------------------- +* fixed a bug introduced in 1.1 beta 6 where an updated element of an indexed one-to-many collection caused an SQLException +* uninitialized collections passed to update() may now be initialized in the new Session +* uninitialized proxies passed to update() may now be initialized in the new Session + +Changes in version 1.1 beta 7 (23.8.2002) +----------------------------------------- +* fixed a bug where Hibernate was not returning statements to the cache when batch updates were disabled +* fixed a bad bug parsing mappings with toplevel one-to-many associations +* fixed a bug with versioning and subcollections +* reworked Set updates again for much improved efficiency +* schema export now creates primary keys for indexed collection tables +* minor refactor to Type hierarchy +* improved some user-error detection +* fixed foreign key constraint creation for MySQL with Innodb tables + +Changes in version 1.1 beta 6b (20.8.2002) +------------------------------------------ +* Fixed a problem updating Sets +* added <bag> mapping for java.util.Collection + +Changes in version 1.1 beta 6 (20.8.2002) +----------------------------------------- +* completely reworked fetching code +- one-to-many associations now always fetched in a single select +- many-to-many associations fetched in a single select when outerjoin fetching is enabled +- this includes nested outerjoin fetching of the associated class! +- outerjoin fetching for <many-to-one> nested inside <component> or <composite-element> +- code refactored to be cleaner and faster +* removed unnecessary order by clause in List and array fetching SQL +* collections now individually update, insert and delete only rows that changed (thanks to Doug Currie) +* fixed a problem where exceptions were being wrapped in a LazyInitializationException for non-lazy collections +* added order-by attribute to <set> and <map> to specify a table column as defining the iteration order (JDK1.4 only) +* improved error detection in Session.update() +* further usage of JDBC2 batch updates +* some fine-tuning of JDBC2 feature usage configuration +* CodeGenerator will now generate components and arrays +* fixed problem where CodeGenerator could not generate classes in the default package +* improved logging of flush() activity +* renamed property hibernate.use_jdbc2 to hibernate.use_jdbc_batch + +Changes in version 1.1 beta 5 (13.8.2002) +----------------------------------------- +* hibernate.query.imports property to allow use of unqualified classnames in queries +* fixed a bug in collection flushing that was introduced in 1.1 beta 4 + +Changes in version 1.1 beta 4 (11.8.2002) +----------------------------------------- +* JMX integration (thanks to John Urberg) +* "having" clause in query language + +Changes in version 1.1 beta 3 (10.8.2002) +----------------------------------------- +* removed the select="all" attribute for <class> mappings - "select distinct" now specified in the hibernate query +* system properties now override hibernate.properties +* Session now flushes changes even less often (only when actual updates to the queried table(s) are waiting) +* fixed a *very* rare problem where an unnecessary update could be accidently issued before a delete + +Changes in version 1.1 beta 2 (6.8.2002) +---------------------------------------- +* fixed a bug exporting schemas with identity columns +* implemented factory-level caching of collections +* Datastore.storeJar() contributed by Christian Meunier +* added <mapping jar="jarfile"> to hibernate.cfg.xml + +Changes in version 1.1 beta 1 (4.8.2002) +---------------------------------------- +* new Query API including named parameters, pageable results +* subqueries in Hibernate queries (only for databases that support subselects) +* new DocBook documentation (contributed by Christian Bauer) +* support collections .elements, .indices inside select clause (even in aggregate functions) +* don't load collections before removal unless absolutely necessary +* mutable="false" attribute in <class> element to map immutable classes +* use JDBC batch to insert collection elements if hibernate.use_jdbc2 is set +* brand new PreparedStatementCache +* improvements to MYSQL dialect for long datatypes +* always check isAccessible() before setAccessible(true) +* removed extra unnecessary table join in queries with one-to-many association +* removed ugly "WHERE 1=1" from generated SQL +* fixed exception mapping a class with no properties (fix by Rob Stokes) +* logging enhancements including SQLException logging +* reworked factory-level cache and integrated JCS support (thanks to Christian Meunier) +* fixed a bug with circular references in cached data +* removed blocking cache support +* now rendering outerjoins as "LEFT OUTER JOIN" because "LEFT JOIN" caused problems for some Sybase versions +* added default Hibernate properties to Dialects +* native id generation now falls back to sequence id generation when identity columns not supported by the dialect +* fixed some problems with native id generation under HSQL +* may now use Session.insert() even when using native id generation + +Changes in version 1.0.1b (18.7.2002) +------------------------------------- +* fixed a bad bug in query parser when hibernate.query.substitutions was unset +* much improved build.xml Ant script +* latest c3p0.jar + +Changes in version 1.0.1 (17.7.2002) +------------------------------------ +* enabled use of scalar values and aggregate SQL functions in select clause of iterate() queries +* fixed bug in JNDI lookup for SessionFactory +* changed ordering of SQL inserts/deletes for child collections of a cascade-enabled association +- better behaviour for some not-null constraints +- performance optimization for bidirectional many-to-one associations +* added hibernate.query.substitutions property to allow named query constants (eg. translate 'true' to '1') +* added locale type for java.util.Locale +* added sequence hi/lo generator (seqhilo.long) +* fixed bug where load(), onLoad() callbacks were sometimes called at wrong time +* fixed an exception (fix by Eric Everman) and improved identifier searching in MapGenerator tool +* refactored SerializableType +* extra logging + error handling +* documentation enhancements + +Changes in version 0.9.17 (3.7.2002) +------------------------------------ +* Added UserType interface +* documented Lifecycle +* added some new trace messages to log +* bugfix to allow SQL functions like upper(), lower(), etc to work on all platforms +* documented SAP DB support (dialect contributed by Brad Clow) +* foreign key constraint export for SAP DB +* map index may be the composite-id of the element class (contributed by Jon Lipsky) +* fixes to CodeGenerator tool (contributed by Uros Jurglic) + +Changes in version 0.9.16 (19.6.2002) +------------------------------------ +* fixed bug cacheing objects with references to themselves +* support for composite ids of classes with no id property +* may now disable outer join (deep) fetching for an association by setting outer-join="false" +* enabled outer join fetching for one-to-one +* fixed a bug for mappings that specify class attribute of <one-to-many> +* fixed a bug where Hashbelt did not expire cached data in a timely fashion +* fixed a mistake in the mapping DTD +* new user-error check in update() + +Changes in version 0.9.15 (15.6.2002) +------------------------------------ +* one-to-one associations +* support for "tricky" mappings in SchemaExport tool (multiple properties to one column, etc) +* Transaction API contributed by Anton van Straaten +* SessionFactory may be bound to JNDI name by setting hibernate.session_factory_name +* Sessions are now Serializable! +* added Session.findIdentifiers() query methods +* new Lifecycle interface to replace deprecated PersistentLifecycle +* fixed problem where session did not autoflush on iterate() queries +* performance enhancements to collection dirty checking +* added Hibernate.configure() and configuration file format +* removed some deprecated methods +* refactored Type hierarchy +* query language identifiers now case sensitive (bugfix for case sensitive SQL dialects) +* username/password now optional for datasource (contributed by Emmanuel Bourg) +* much improved API documentation +* binary types now saved using streams if hibernate.use_streams_for_binary=true (contributed by Jon Lipsky) +* MySQL Strings now mapped to TEXT columns if length > 255 (contributed by Christoph Beck) + +Changes in version 0.9.14 (4.6.2002) +------------------------------------- +* lifecycle objects - properties now have a cascade attribute to cascade save, update, delete +* composite id properties may now be used in queries eg. foo.id.bar (contributed by Jon Lipsky) +* slightly changed semantics of update() so it now also save()s new transient instances +* Session now flushes() itself less often before query execution (performance enhancement) +* fixed problem where Session.save() returned null instead of the natively generated id +* fixed bug with object identity for cached classes +* fixed bug where delete(x) could not be called after update(x) +* MUCH improved Exception hierarchy +* deprecated create() +* added sql-type attribute to <column> tag to allow user to override default type mapping +* deeper fetching with use_outer_join +* new ConnectionProvider framework +* fixed a bug where blocking cache could return stale data +* now working again in JDK1.2.2 +* fixed problem with not-null associations + native key generation +* minor changes to PersistentLifecycle interface +* initial, minimal version of new Transaction mechanism +* MUCH improved documentation + +Changes in version 0.9.13 (25.5.2002) +------------------------------------- +* Datastore.storeResource() to load mapping files from classpath +* fixed a problem executing under JDK1.3 when compiled from JDK1.4 +* documentation improvements + +Changes in version 0.9.12 (24.5.2002) +------------------------------------ +* Session.update() methods to update a persistent instance from transient copy (as requested by many users) +* discriminator column name, type, length, etc now configurable by <discriminator> tag in mapping file +* discriminator column values configurable by discriminator-value attribute of <class> and <subclass> tags +* added Session.insert(object, id) for classes with no identifier property +* fixed another bad bug with connection handling (fix by Anton van Straaten) +* fixed a problem with deferred loading +* fixed a problem with sorted collections (fix by Anton van Straaten) +* nested collections of objects now require 2 SQL SELECTs to load, rather than size+1 +* session is NO LONGER atomic - application should discard session when exception occurs +* fixed problem where character type was mapped to VARCHAR column +* arrays of proxies now possible by using new element-class attribute of <array> tag +* fixed various problems with proxies +* added proxy generation tool +* proxy unit tests +* replaced two RuntimeExceptions with checked exceptions +* made hibernate.username/hibernate.password optional for DriverManager +* CodeGenerator now supports all hibernate basic types +* much improved caching algorithm for compiled queries +* may now specify properties simply by placing hibernate.properties in classpath +* documentation improvements + fixes +* --abstract switch to MapGenerator (contributed by Eric Everman) + +Changes in version 0.9.11 (12.5.2002) +------------------------------------ +* fixed major bug with connection handling (fix by Anton van Straaten) + +Changes in version 0.9.10 (11.5.2002) +------------------------------------ +* set a default schema name using SessionFactory property hibernate.default_schema +* code generator tool contributed by Brad Clow (www.workingmouse.com) +* lazy object initialization under JDK 1.3 and above +* fixed some error messages to go to logging framework, not stdout +* new system property hibernate.show_sql=true logs all executed SQL to stdout +* integration of bugfixes in c3p0 +* wrap IllegalArgumentExceptions in HibernateExceptions +* added ObjectNotFoundException and StaleObjectStateException +* fixed a bug when using schemas +* new caching strategy (and documented cache feature) + +Changes in version 0.9.9 (25.4.2002) +----------------------------------- +* sorted sets and maps (thanks to Doug Currie) +* mapping files may now be loaded using getResourceAsStream() (thanks to Markus Meissner) +* hibernate messages now logged by Apache commons-logging +* default hi/lo generator table now has column named "next_id", instead of "next" +* query language may now refer to identifier property name (eg. foo.fooKey as alternative to foo.id) +* hibernate.jndi_class, hibernate.jndi_url now optional when using datasource +* hibernate now throws an exception if you try to persist an object with a reference to a transient object +* improved connection pooling algorithm (hibernate.pool_size limits pooled conections) +* very experimental integration of c3p0 JDBC connection pool (http://sourceforge.net/projects/c3p0) +* now compiles under JDK 1.2.2 +* fixed bug persisting null components +* fixed bug where cached prepared statements were not cleaned up after disconnect() session +* fixed a null pointer exception in MappingByReflection + +Changes in version 0.9.8 (13.3.2002) +----------------------------------- +* supports database native key generation in Sybase, MS SQL, MySQL, DB2, Hypersonic (contributed by Christoph Sturm) +* supports Mckoi (dialect contributed by Doug Currie) +* supports Progress (dialect contributed by Phillip Baird) +* added exceptions to catch Session reentrancy from PersistentLifecycle.load() + store() +* experimental cross-transaction cache +* Session.lock() and Session.loadWithLock() for pessimistic locking +* HiLoGenerators may now use their own DriverManager connection properties + may now use same table across diff mapping files +* Session.flush(), Session.close() and Session.connection() replace Session.commit(), Session.cancel() +* Session.disconnect() and Session.reconnect() for long transactions +* added single JVM id generators vm.long, vm.hex +* added unique column constraints to mappings +* extensions to IDGenerator framework +* support sequence-style ID generation in Oracle, PostgreSQL, DB2, Interbase + +* fixed problem where subcollections of a collection that changed roles would be deleted +* changed class loading strategy to be compatible with JBoss +* stopped queries retrieving unnecessary columns +* mutable types (binary + serializable) now always detected as dirty + +Changes in version 0.9.7 (26.2.2002) +----------------------------------- +* save() now safe from foreign key violations (so create() is no longer preferred method of adding data) +* delete() now completely safe from foreign key violations - it no longer matters what order objects are deleted in +* removed Session.copy() +* hilo generators now NOT for use with application server datasources + +* fixed two intermittent bugs in queries +* fixed a problem where components not detected as dirty +* fixed broken hilo generator which was not updating database +* fixed a minor bug when hibernate.use_outer_join was set + +Changes in version 0.9.6 (24.2.2002) +----------------------------------- +* experimental XML generation +* added support for bi-directional associations (one-to-set, set-to-set) with <set readonly="true"> config +* reflective generation of mappings tool was contributed by Doug Currie +* Session operations now atomic, so exceptions are recoverable +* made ID properties optional in persistent classes +* support for multiple schemas through schema attribute of <hibernate-mapping>, <class>, <set>, <map>, etc. +* auto-creation of tables for hilo id generators (restriction: cannot use same table from more than one mapping file) +* added some more assertions to catch user "mistakes" like deleting transient or saving persistent objects + +* major rework of collections and fixed some bad bugs +* lazy initialization re-enabled for one-to-many associations (thanks to Georg Schneemayer) +* fixed a problem in the mapping DTD to allow nested components in collections +* fixed a BAD bug in RelationalDatabaseSession when loading objects with PersistentLifecycle callbacks (thanks to Paul Szego) +* fixed problems with quoted strings in query language +* fixed a bug where a stack overflow occurred instead of HibernateException thrown (thanks to Georg Schneemayer) +* fixed a bug deleting updated versioned data +* fixed some problems with name generation for indexes + foreign keys +* fixed problem in Sun JDK 1.4 (only?) where IllegalArgumentException was not handled +* minor improvements to handling of dates and times +* HiLoGenerator now safe for all transaction isolation levels + safe when rollback occurs +* noticed and fixed obscure piece of nonthreadsafe code outside of core persistence engine +* removed unnecessary drop constraints for some dialects + +* MUCH more comprehensive test suite + +* changed some terminology used in documentation +* added javadoc for API classes +* commented the mapping DTD + +Changes in version 0.9.5 (8.2.2002) +----------------------------------- +* supports HypersonicSQL (dialect contributed by Phillip Baird) +* supports Microsoft SQL server (with third party JDBC driver) +* proper command-line tool for schema generation and export +* deprecated the interface cirrus.hibernate.Persistent (due to popular demand) +* changes to hibernate-mapping DTD (required to support optional Persistent interface): +- deprecated <property type="package.PersistentClassName"/> in favor of <many-to-one class="package.PersistentClassName"/> +- deprecated <element type="package.PersistentClassName"/> in favor of <many-to-many class="package.PersistentClassName"/> +- deprecated <property role="..."/> in favor of <collection role="..."/> +- deprecated <element role=".."/> in favor of <subcollection role="..."/> +- deprecated <association> in favor of <one-to-many> +* class attribute optional in <component> and <composite-id> tags (determined by reflection) +* querying components of components now supported +* one-shot table creation (no use of unportable "alter table") +* time dataype support +* reflective mappings of java.sql.Time, java.sql.Timestamp, java.sql.Date +* fixed error msg thrown when class is missing a method but has a superclass +* property names now conform to JavaBean spec ("foo" instead of "Foo"). Note that "Foo" still works +* constructors of persistent classes may now be non-public +* collection indexes now mapped to not-null columns +* fixed obscure bug with querying collections inside components of components +* fixed potential bug related to cacheing of compiled queries +* major rewrite of code relating to O-R mappings +* Session.copy() and Session.equals() as convenience for users +* fixed repeated invocations of hasNext() on iterator + iterators now always work with distinct SQL resultsets +* McKoi dialect was contributed by Gabe Hicks + +Changes in version 0.9.4 (29.1.2002) +------------------------------------ +* fixed BAD bug where XML parsing would not work for parsers other than Xerces - thanks to Christian Winkler +* added some more assertions to catch user "mistakes" like changing ids or reusing existing ids + +Changes in version 0.9.3 (27.1.2002) +------------------------------------ +* repackaged (corrupted DatasourceConnectionProvider.class) +* better exception reporting using datasource +* added Datastore.storeClass() which looks for mapping file in classpath (class foo.Bar -> foo/Bar.hbm.xml) +* improved documentation + +Changes in version 0.9.2 (25.1.2002) +------------------------------------ +* iterate over query results (lazy instantiation of query results) +* added "select foo, bar" style queries returning multiple objects per row +* delete by query +* composite key support +* outer joins for faster (?) loading of associated objects ( set "hibernate.use_outer_join" to "true" ) +* connection pooling when using DriverManager +* foreign key constraint from unkeyed collection table to owner entity table +* improved drop tables script execution (still not infallible) +* added <composite-element> tag +* added not-null properties and elements +* added an optimisation for dates and components +* made some XML attributes optional +* fixed errors in documentation + documented some extra features +* bugfix: store() not getting called on lifecycle interface +* bugfix: schema generation for indexed associations +* added many tests + +Changes in version 0.9.1 (20.1.2002) +------------------------------------ +Too many to list + +version 0.8.1 +------------- +Initial alpha version +