[Hibernate-JIRA] Created: (HBX-849) Tools does not insert @Type in POJOs for user types defined in reveng.xml
by Zeljko Trogrlic (JIRA)
Tools does not insert @Type in POJOs for user types defined in reveng.xml
-------------------------------------------------------------------------
Key: HBX-849
URL: http://opensource.atlassian.com/projects/hibernate/browse/HBX-849
Project: Hibernate Tools
Type: Bug
Components: hbm2java, reverse-engineer
Environment: jboss-seam-1.1.0.GA, MySQL
Reporter: Zeljko Trogrlic
I have created reveng.xml file:
<hibernate-reverse-engineering>
<table
catalog="configuration"
name="userdb_domain_acl">
<column name="enabled" type="com.siemens.msm.model.mapping.BooleanEnumType" exclude="false"/>
</table>
</hibernate-reverse-engineering>
and included it in build.xml:
<jdbcconfiguration propertyfile="build.properties"
packagename="${model.package}"
revengfile="${project.home}/reveng.xml"/>
Generated POJO attribute has proper type, but user type information is missing:
@Column(name = "enabled")
@Length(max = 42)
public Boolean getEnabled() {
....
so Hibernate reports error:
3:49:31,397 INFO [TableMetadata] table found: configuration.userdb_domain_acl
13:49:31,397 INFO [TableMetadata] columns: [id, enabled, tablename, domain]
13:49:31,397 WARN [ServiceController] Problem starting service persistence.units:ear=msmgui.ear,unitName=msmgui
javax.persistence.PersistenceException: org.hibernate.HibernateException: Wrong column type: enabled, expected: varchar(
2)
at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:698)
at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:127)
at org.jboss.ejb3.entity.PersistenceUnitDeployment.start(PersistenceUnitDeployment.java:264)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Annotations should look like this:
@Column(name = "enabled")
@Type(type="booleanEnum")
public Boolean getEnabled() {
...
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14 years, 1 month
[Hibernate-JIRA] Created: (HHH-3227) Oracle's connect by syntax is mishandled when used with Filter
by Kyrill Alyoshin (JIRA)
Oracle's connect by syntax is mishandled when used with Filter
--------------------------------------------------------------
Key: HHH-3227
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3227
Project: Hibernate3
Issue Type: Bug
Components: query-sql
Affects Versions: 3.2.5
Environment: Hibernaet 3.2.5.GA, Oracle 10g.
Reporter: Kyrill Alyoshin
Basically, I have a filter definition on a class (via annotation), here it is:
@Filter(name = "limitInvoicesByAccountHolderHierarchy",
condition = "CHRG_ACCT_ID in (" +
"select ca1.chrg_acct_id from cv_chrg_acct ca1 " +
"inner join cv_org_unit og1 on ca1.acct_hldr_id = og1.org_unit_id " +
"where og1.org_unit_id in (" +
"select og2.org_unit_id from cv_org_unit og2 " +
"start with og2.org_unit_id = :root " +
" connect by prior og2.org_unit_id = og2.hier_par_org_unit_id" +
')' +
')'
It contains Oracle's "connect by" clause. Here is the SQL statement that Hibernate generates when trying to query invoices with the filter enabled:
Hibernate:
/*
from
Invoice */ select
invoice0_.inv_id as inv1_31_,
......
from
CV_INV invoice0_
where
invoice0_.CHRG_ACCT_ID in (
select
ca1.chrg_acct_id
from
cv_chrg_acct ca1
inner join
cv_org_unit og1
on ca1.acct_hldr_id = og1.org_unit_id
where
og1.org_unit_id in (
select
og2.org_unit_id
from
cv_org_unit og2 invoice0_.start invoice0_.with og2.org_unit_id = ? invoice0_.connect
by
invoice0_.prior og2.org_unit_id = og2.hier_par_org_unit_id
)
)
Even though the documentation states that the condition of the filter is pure SQL (which is great!), it still does not pass SQL verbatim but is actually trying to pre-process the following words: start, with, connect, prior.
Is there an easy work around to make Oracle10gDialect recognize these words?
Thanks a lot for looking into this!
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14 years, 1 month
[Hibernate-JIRA] Created: (HHH-2402) HQL generates inner join when selecting a specific attribute that is linked to another entity
by Peter Mutsaers (JIRA)
HQL generates inner join when selecting a specific attribute that is linked to another entity
---------------------------------------------------------------------------------------------
Key: HHH-2402
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2402
Project: Hibernate3
Type: Bug
Components: core
Versions: 3.2.2
Environment: Oracle 9i, affects ONLY version 3.2.2, was still working OK in version 3.2.1 and before.
Reporter: Peter Mutsaers
Priority: Critical
Mapping (note the lazy='false', it is essential to cause the problem):
<class name='Currency' lazy='false'>
....
</class>
<class name='Asset'>
<id name='id' ... </id>
<many-to-one name='currency' class='Currency' fetch='select'/>
</class>
The following HQL query: "select a.id, a.currency from Asset a"
used to generate a query on the Asset table, and subsequently generates separate queries on the Currency table.
Since version 3.2.2, this generates an inner join on Asset with Currency.
Now many Assets may have a NULL currency, so we do not get all records anymore!
This breaks logic and queries all over the place for us.
We can't go back to 3.2.1 due to other bugs that had been solved in 3.2.2.
The query "from Asset a" still works OK and as before, i.e. it makes the select only on the Asset table and afterwards fetches the Currency with individual selects.
I fear that an optimization has been made that has this negative side effect.
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14 years, 1 month
[Hibernate-JIRA] Created: (HHH-3510) Sybase - Timestamp not being translated to the built-in database function
by Juraci Paixao Krohling (JIRA)
Sybase - Timestamp not being translated to the built-in database function
-------------------------------------------------------------------------
Key: HHH-3510
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3510
Project: Hibernate Core
Issue Type: Bug
Components: core
Affects Versions: 3.2.4.sp1
Environment: Branch_3_2_4_SP1_CP and Sybase 15
Reporter: Juraci Paixao Krohling
Test Case: ComponentTest#testComponentQueries
Hibernate query "from Employee e where e.person = ('steve', current_timestamp)" should have translated "current_timestamp" to "getdate()" [1]:
14:49:11,087 DEBUG SQL:424 - select employee0_.ID as ID1_, employee0_.HIRE_DATE as HIRE2_1_, employee0_.name as name1_, employee0_.dob as dob1_, employee0_.value1 as value5_1_, employee0_.value2 as value6_1_ from T_EMP employee0_ where employee0_.name='steve' and employee0_.dob=current_timestamp
14:49:11,535 WARN JDBCExceptionReporter:77 - SQL Error: 207, SQLState: ZZZZZ
14:49:11,536 ERROR JDBCExceptionReporter:78 - Invalid column name 'current_timestamp'.
[1] SybaseDialect, line 58: registerFunction( "current_timestamp", new NoArgSQLFunction("getdate", Hibernate.TIMESTAMP) );
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14 years, 1 month
[Hibernate-JIRA] Created: (HHH-3018) Configuration element to tell Hibernate to have just one insert to flush an entity and not both an insert and an update.
by Nicolas Cazottes (JIRA)
Configuration element to tell Hibernate to have just one insert to flush an entity and not both an insert and an update.
------------------------------------------------------------------------------------------------------------------------
Key: HHH-3018
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3018
Project: Hibernate3
Issue Type: Improvement
Components: core
Affects Versions: 3.2.5
Reporter: Nicolas Cazottes
Attachments: testXMLTypeUpdates.zip
While analyzing the SQL queries Hibernate generates to persist objects, I fall on a behaviour, that I first found strange, which is that in one flush of one transaction, there may be both an insert and an update for a given entity. My first expectation was to have only one insert and no update.
After a few search, I discover that conversation (http://forum.hibernate.org/viewtopic.php?p=2191664&sid=c571096bda4a6b636e...) that explains it is normal in the case of a save with modifications after save.
I discover (cf the classes of my zip showing it) that this behaviour is also present in the case of a relation that is managed by cascade. What I noticed is that the insert of the related entity is planned when the first hql query is executed after the relation has been established. So if the related entity is modified after the query execution (for exemple depending on the result of the query), an update will be executed.
This behaviour is understandable but in my case, the update is really expensive (because it acts on an XMLType column) and unless I set a FlushMode to COMMIT (which I found really not a good solution), I can not control that Hibernate will generate both an insert and an update or only an insert. I know I could also set the relation just before the commit in order to avoid insert+update but this solution is not possible in my case and I find it not elegant (it would break the semantic of the cascade of the relation).
I suggest to introduce a new configuration element (similar to the flushmode) in Hibernate in order to be able to have control whether Hibernate generates an insert containing the data of the entity at the first save or an insert containing the data of the entity at the flushing time.
Note : The attached files (which is the smallest extraction of what does my application) shows that behaviour both for the save call and the cascade declenched by a query.
Note2 : I found an issue in jira number 2621 submited by someone else that is related to this subject in think.
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14 years, 1 month
[Hibernate-JIRA] Created: (HHH-2426) Misleading logging messages when using ThreadLocalSessionContext
by Don Smith (JIRA)
Misleading logging messages when using ThreadLocalSessionContext
----------------------------------------------------------------
Key: HHH-2426
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2426
Project: Hibernate3
Type: Improvement
Components: core
Versions: 3.2.0.ga
Reporter: Don Smith
Priority: Minor
The log messages printed out by TransactionFactoryFactory and SettingsFactory are misleading when using ThreadLocalSessionContext:
2007-02-09 21:49:58,581 INFO [org.hibernate.transaction.TransactionFactoryFactory:info] Using default transaction strategy (direct JDBC transactions)
2007-02-09 21:49:58,588 INFO [org.hibernate.transaction.TransactionManagerLookupFactory:info] No TransactionManagerLookup Configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)
2007-02-09 21:49:58,590 INFO [org.hibernate.cfg.SettingsFactory:info] Automatic flush during beforeCompletion(): disabled
2007-02-09 21:49:58,591 INFO [org.hibernate.cfg.SettingsFactory:info] Automatic session close at end of transaction: disabled
This does not indicate that sessions will be closed after commit, which is the behavior when using ThreadLocalSessionContext.
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14 years, 1 month
[Hibernate-JIRA] Created: (ANN-682) @ForeignKey override of @MappedSuperclass
by Christian Bauer (JIRA)
@ForeignKey override of @MappedSuperclass
-----------------------------------------
Key: ANN-682
URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-682
Project: Hibernate Annotations
Issue Type: New Feature
Components: binder
Reporter: Christian Bauer
Put this @ManyToOne in a @MappedSuperclass:
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "CREATED_BY_USER_ID", nullable = false)
// Ideally this foreign key should be ON DELETE SET NULL, however...
// Hibernate can't rename these so subclasses would get the same FK constraint name. This doesn't
// work, so we need to let Hibernate create a random identifier for these. We could fix this in the
// DatabaseObjects.hbm.xml file but we can't even address it because the name is random. This sucks.
// So we do a manual SET NULL|DEFAULT when userHome.remove() is called.
// @org.hibernate.annotations.ForeignKey(name = "FK_WIKI_NODE_CREATED_BY_USER_ID")
protected User createdBy;
Now all subclasses get that foreign key constraint name in the database catalog, which isn't possible - constraint names have to be unique.
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14 years, 1 month
[Hibernate-JIRA] Created: (HHH-3339) Query cache stops working after object save
by Alex Oleynikov (JIRA)
Query cache stops working after object save
-------------------------------------------
Key: HHH-3339
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3339
Project: Hibernate3
Issue Type: Bug
Components: caching (L2)
Affects Versions: 3.2.6
Environment: Hibernate 3.2.6, MS SQL 2005 Database. Windows XP SP2
Reporter: Alex Oleynikov
It seems like HB Query cache stops working as soon as given object type is being saved (it does not matter if it was save to existing object or insert of new object instance).
The code looks like this. Where User is just a primitive POJO with couple of properties.
// #1
query = session.createQuery("from User where userID = :id");
query.setCacheable(true);
query.setParameter("id", 10);
user = (User) query.list().get(0);
// #2
query = session.createQuery("from User where userID = :id");
query.setCacheable(true);
query.setParameter("id", 10);
user = (User) query.list().get(0);
// insert new User object
user = new User();
user.setUserID((int)(Math.random() * Integer.MAX_VALUE));
user.setUserName("Ten");
session.beginTransaction();
session.save(user);
session.getTransaction().commit();
// #3
query = session.createQuery("from User where userID = :id");
query.setCacheable(true);
query.setParameter("id", 10);
user = (User) query.list().get(0);
// #4
query = session.createQuery("from User where userID = :id");
query.setCacheable(true);
query.setParameter("id", 10);
user = (User) query.list().get(0);
>From MS SQL Profiler I can clearly see that no queries is executed for #2 (e.g. it hit the cache), but queries are executed for #3 and #4. From HB debug log I see following:
For #2 Query (cache is hit) - correct:
06:54:25,337 DEBUG StandardQueryCache:102 - checking cached query results in region: org.hibernate.cache.StandardQueryCache
06:54:25,337 DEBUG StandardQueryCache:156 - Checking query spaces for up-to-dateness: [USERS]
06:54:25,337 DEBUG StandardQueryCache:117 - returning cached query results
During User insert:
06:54:25,368 DEBUG UpdateTimestampsCache:65 - Invalidating space [USERS], timestamp: 4967466866147328
For #3 Query:
06:54:25,368 DEBUG StandardQueryCache:156 - Checking query spaces for up-to-dateness: [USERS]
06:54:25,368 DEBUG UpdateTimestampsCache:86 - [USERS] last update timestamp: 4967466866147328, result set timestamp: 4967466865061888
06:54:25,368 DEBUG StandardQueryCache:113 - cached query results were not up to date
For #4 Query (or any subsequent query for this matter):
06:54:25,368 DEBUG StandardQueryCache:156 - Checking query spaces for up-to-dateness: [USERS]
06:54:25,368 DEBUG UpdateTimestampsCache:86 - [USERS] last update timestamp: 4967466866147328, result set timestamp: 4967466865061888
06:54:25,368 DEBUG StandardQueryCache:113 - cached query results were not up to date
Please note the timestamp numbers for #4 query - even though I would expect query to be re-cached in #3, it still shows old timestamp. So I may think that when re-caching a query it does not update cache entry timestamp which is not up-to-date due to save().
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14 years, 1 month