July 2007 - hibernate-issues - Jboss List Archives

[Hibernate-JIRA] Created: (HHH-2721) PostgreSQLDialect: function md5() always returns a string value

by Dirk Leser (JIRA)

PostgreSQLDialect: function md5() always returns a string value --------------------------------------------------------------- Key: HHH-2721 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2721 Project: Hibernate3 Issue Type: Bug Components: query-hql Affects Versions: 3.2.4.sp1 Reporter: Dirk Leser Priority: Minor The md5() function always returns a string type and not the type given as parameter. Therefore the line registerFunction( "md5", new StandardSQLFunction("md5") ); has to be changed to registerFunction( "md5", new StandardSQLFunction("md5", Hibernate.STRING) ); in class org.hibernate.dialect.PostgreSQLDialect -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira

11 years, 11 months

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[Hibernate-JIRA] Created: (HHH-2448) Generate identical column aliases among cluster

by Loïc LEFEVRE (JIRA)

Generate identical column aliases among cluster ----------------------------------------------- Key: HHH-2448 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2448 Project: Hibernate3 Type: Improvement Components: query-sql Versions: 3.2.2 Environment: Hibernate version: 3.2.2, 2.1.8 Database: Oracle 9.2.0.8 Reporter: Loïc LEFEVRE Attachments: report_1.txt, report_2.txt Among our weblogic cluster (12 instances), we can see that a query can have different column aliases. Although all seems correct, when regarding database reports like StatsPack or Spotlight we can see that because of these different aliases, the reports are wrong. Indeed, a resource consuming query can see its associated report properties (cpu usage, buffer gets, number of executions...) divided by the number of weblogic instances of our cluster (i.e. divided by 12) thus preventing us to pinpoint the queries to look at. On a 3 instances cluster, we can see this report: REPORT#1: one statement with a poor number of buffer gets/execution is reported splitted in 3, see the alias generated for column DTO.CREATION_DATE for example On a 4 instances cluster, we can see this report: REPORT#2: one statement responsible of the latch free/cache buffers chains wait events splitted in 4, note the column alias generated fordeffcashcy0_.BEST_EXPECTED_CY More than confusing the DBAs about the same query with n different "faces", our reports don't show us all the queries to look at: indeed, in our "Top 50 queries", a lot of them are duplicates! Also the memory required in the SGA to store the queries, the execution plan and so on is increased... Finally, although the column aliases can have up to 30 characters under Oracle, the limit is set to 10, why? -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira

11 years, 11 months

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[Hibernate-JIRA] Created: (HHH-2654) Ingres dialect patch to support bit_length

by Chris Bredesen (JIRA)

Ingres dialect patch to support bit_length ------------------------------------------ Key: HHH-2654 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2654 Project: Hibernate3 Issue Type: Patch Components: core Reporter: Chris Bredesen Assignee: Steve Ebersole Priority: Minor Attachments: IngresDialect.diff This patch from Daniel fixes the Ingres dialect to support bit_length. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira

11 years, 11 months

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[Hibernate-JIRA] Created: (HHH-2308) Adjusting the Outer Join Predicate using Criteria Query

by Ben Grant (JIRA)

Adjusting the Outer Join Predicate using Criteria Query ------------------------------------------------------- Key: HHH-2308 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2308 Project: Hibernate3 Type: New Feature Components: query-criteria Versions: 3.2.1 Environment: Linux Using MS SQLServer Reporter: Ben Grant I have two tables Table A ||Col_1||Col_2|| |London| UK | |Liverpool| UK | | New York | USA | Table B ||Col_1||Col_2|| Col_3|| | UK | Europe | 0 | USA | Americas | 1 Using the Criteria class, Restriction Class and FetchMode, Hibernate manages to create a query that looks like this select distinct top 2000 this_.Col_1 as y0_, TableB3_.Col2 as y1_ from TableA this_ left outer join TableB TableB3_ on this_.Col_2= TableB3_.Col_1 where TableB3_.Col_3=1 When really i need the query to be like this select distinct top 2000 this_.Col_1 as y0_, TableB3_.Col2 as y1_ from TableA this_ left outer join TableB TableB3_ on this_.Col_2= TableB3_.Col_1 AND TableB3_.Col_3=1 currently their isn't any know way for hibernate to adjust or apply filters within the join clause. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira

11 years, 11 months

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[Hibernate-JIRA] Created: (HBX-939) Composite IDs and many-to-many relationships

by Markus Kramer (JIRA)

Composite IDs and many-to-many relationships -------------------------------------------- Key: HBX-939 URL: http://opensource.atlassian.com/projects/hibernate/browse/HBX-939 Project: Hibernate Tools Issue Type: Bug Affects Versions: 3.2beta9 Environment: Hibrnate 3.2.1, Postgresql 8.1.8 Reporter: Markus Kramer Attachments: B.hbm.xml, testdb.sql The detection of many-to-many relationships doesn't work correctly if the primary key of one of the involved tables consists of more than one field. An example: One of two tables (table 'A') of a many-to-many relationship has a primary key consisting of two attributes (id1 and id2). The generated B.hbm.xml for the table 'B' contains this: <set name="as" inverse="true" table="a_b"> <key> <column name="b_id" not-null="true" /> </key> <many-to-many entity-name="test.A"> <column name="a_id1" not-null="true" /> </many-to-many> </set> But there should be another entry for the referenced primary key: <column name="a_id2" not-null="true" /> The SQL code for the used tables and the complete B.hbm.xml are attached. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira

11 years, 12 months

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[Hibernate-JIRA] Created: (HHH-2058) puhs SessionImplementor.getInterceptor up into Session

by Max Rydahl Andersen (JIRA)

puhs SessionImplementor.getInterceptor up into Session ------------------------------------------------------ Key: HHH-2058 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2058 Project: Hibernate3 Type: Improvement Components: core Reporter: Max Rydahl Andersen Being able to get the actual interceptor used for a certain Session is beneficial. any reason why it is not exposed on Session ? -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira

12 years

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[Hibernate-JIRA] Created: (ANN-537) Support @Comment or column attribute on @Table and @Column

by Max Rydahl Andersen (JIRA)

Support @Comment or column attribute on @Table and @Column ---------------------------------------------------------- Key: ANN-537 URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-537 Project: Hibernate Annotations Type: Improvement Components: binder Versions: 3.2.1 Reporter: Max Rydahl Andersen with hbm2ddl and hbm2doc its a shame that Annotation does not support setting a comment on table and columns. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira

12 years

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[Hibernate-JIRA] Created: (HHH-2657) Bulk select using primary key or natural id

by charbel (JIRA)

Bulk select using primary key or natural id ------------------------------------------- Key: HHH-2657 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2657 Project: Hibernate3 Issue Type: Improvement Reporter: charbel I think that the following methods are really useful once we use hibernate with huge datas in the database: Object[] get(Class,Object[] id): ---------------------------------------- return objects giving their primary key. First check in cache if it exists, if not either use a select in () either create a temporary table if too many ids. Object[] getUsingNaturalId(Class,Object[] id): ---------------------------------------- return objects giving their natural id. the same thing than before. Be careful on the fact that the primary key and the naturalid can be composite objects. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira

12 years, 1 month

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[Hibernate-JIRA] Created: (HHH-2331) bulk deletes on ID must not use HT_ tables

by Amir Pashazadeh (JIRA)

bulk deletes on ID must not use HT_ tables ------------------------------------------ Key: HHH-2331 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2331 Project: Hibernate3 Type: Improvement Components: core Reporter: Amir Pashazadeh when using bulk deletes hibernate inserts ids of rows which must be deleted in a temporary table (with HT_ prefix); I believe that's just for knowing primary keys of objects which must be deleted and updating caches. so if that is the reason there is no need to do so when deleting on primary key property, (for example "delete from MyEntity where id = ?") -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira

12 years, 1 month

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[Hibernate-JIRA] Created: (HHH-2049) LEFT OUTER JOIN subcriteria filters children

by Mattias Jiderhamn (JIRA)

LEFT OUTER JOIN subcriteria filters children -------------------------------------------- Key: HHH-2049 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2049 Project: Hibernate3 Type: Bug Components: query-criteria Versions: 3.1.3, 3.2.0.cr4 Environment: Hibernate 3.1.3/3.2.0rc4, hsqldb 1.8 Reporter: Mattias Jiderhamn Attachments: SubCriteriaTestCase.zip When using the Criteria API with LEFT OUTER JOIN to add criterias to the children, i.e. criteria.createCriteria("children", JoinFragment.LEFT_OUTER_JOIN) the child collections will only contain those children matching the criteria. (Even when *not* using any Filters). The attached testcase (also found here: http://forum.hibernate.org/viewtopic.php?p=2320786) will explain it in more detail. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira

12 years, 1 month

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hibernate-issues July 2007