July 2007 - hibernate-issues - Jboss List Archives

[Hibernate-JIRA] Created: (HHH-2289) CLONE -Support new MySQL 5.0.12 join syntax

by Peter Lundberg (JIRA)

CLONE -Support new MySQL 5.0.12 join syntax ------------------------------------------- Key: HHH-2289 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2289 Project: Hibernate3 Type: New Feature Components: query-sql Versions: 3.1.2 Reporter: Peter Lundberg http://dev.mysql.com/doc/refman/5.0/en/join.html "Beginning with MySQL 5.0.12, natural joins and joins with USING, including outer join variants, are processed according to the SQL:2003 standard. These changes make MySQL more compliant with standard SQL. However, they can result in different output columns for some joins. Also, some queries that appeared to work correctly in older versions must be rewritten to comply with the standard. The following list provides more detail about several effects of the 5.0.12 change in join processing. The term "previously" means "prior to MySQL 5.0.12." Using 5.0.18 and hibernate 3.1.2, hibernate is not producing the correct join syntax for the latest versions of mysql. For example: FROM tableA AS A, tableB AS B INNER JOIN tableC AS C ON A.field1 = C.field2 The above fails, because the B JOIN C is evaluated before the A alias has been created. The solution is to use parentheses to force an order of evaluation: FROM (tableA AS A, tableB AS B) INNER JOIN tableC AS C ON A.field1 = C.field2 -- 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

16 years, 11 months

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[Hibernate-JIRA] Created: (HHH-2106) * criteria queries

by Toby (JIRA)

* criteria queries ------------------ Key: HHH-2106 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2106 Project: Hibernate3 Type: New Feature Components: query-criteria Reporter: Toby -localArea -wideArea - country Imagine you want to query local area that belong to a country, independet of the "wide area". But country is only references via a wide area and there is no direct link between local area and a country. You can not add wide area as a restriction as the problem ist, that you want all wide areas....and you only need them to get to the county..... Criteria c = session.createCriteria(LocalArea.class); c.add(Restrictions.eq("wideArea", *)); c.add(Restrictions.eq("country", country)); -- 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

16 years, 11 months

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[Hibernate-JIRA] Created: (HHH-2572) NullPointerException when cascade-merge detached entity graph that contains null component property

by Nguyen Hau Giang (JIRA)

NullPointerException when cascade-merge detached entity graph that contains null component property --------------------------------------------------------------------------------------------------- Key: HHH-2572 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2572 Project: Hibernate3 Issue Type: Bug Components: core Affects Versions: 3.2.3 Environment: hibernate 3.2.3 only Reporter: Nguyen Hau Giang Priority: Critical Attachments: testCase.zip when merging detached entity graph whose leaf-entity contains null-component property, hibernate 3.2.3 will throw NPE. (leaf-entity level>2) No exception was thrown in hibenate 3.2.2 Mapping: Parent -> Child -> GrandChild All associations is cascade. GrandChild contains a component property. Test Case: parent=<load>; child=parent.get1Child(); GrandChild grandChild=new GrandChild(); grandChild.setComponent(null); child.add(grandChild); evict(parent);//session is closed ... merge(parent);//merge in new sesson -> THROW NullPointerException for further detail, see attache test case. -- 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

16 years, 11 months

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[Hibernate-JIRA] Created: (HHH-2675) Session.contains() always return false

by Mohammad Shoaib Ashrafi (JIRA)

Session.contains() always return false -------------------------------------- Key: HHH-2675 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2675 Project: Hibernate3 Issue Type: Bug Components: build Affects Versions: 3.1.3 Environment: JDK1.5, Tomcat6.0 Hibernate 3, Windows XP Reporter: Mohammad Shoaib Ashrafi i have two class (User and Role) with hibernate one-to-one mapping in runtime i load the user object after this i create the new user object with same primary key as loaded object and when i call session.update(newUser) then it throws NonUniqueObjectException so i added some statement before update if( session.contains(userObject) ){ session.evict(userObject) } session.update(userObject) but the problem is here that session.contains(userObject) always return false kindly resolved this issue and give the chance of thanks Regards Mohammad Shoaib Ashraif -- 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

16 years, 11 months

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[Hibernate-JIRA] Created: (HHH-2164) Minor bug in section "20.1.1. Customizing the schema"

by Andres Gonzalez (JIRA)

Minor bug in section "20.1.1. Customizing the schema" ----------------------------------------------------- Key: HHH-2164 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2164 Project: Hibernate3 Type: Bug Components: documentation Versions: 3.2.0.ga Reporter: Andres Gonzalez Where it says: ******************************************************************************************************************************* A unique-key attribute may be used to group columns in a single unique key constraint. Currently, the specified value of the unique-key attribute is not used to name the constraint in the generated DDL, only to group the columns in the mapping file. <many-to-one name="org" column="orgId" unique-key="OrgEmployeeId"/> <property name="employeeId" unique-key="OrgEmployee"/> ******************************************************************************************************************************* i think the unique-key attributes should jave both the same value ("OrgEmployee", for example) -- 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

16 years, 11 months

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[Hibernate-JIRA] Created: (HHH-2601) Missing documentation in section 5.1.12

by Chris Bredesen (JIRA)

Missing documentation in section 5.1.12 --------------------------------------- Key: HHH-2601 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2601 Project: Hibernate3 Issue Type: Bug Components: documentation Affects Versions: 3.2.3 Reporter: Chris Bredesen Priority: Minor Section "5.1.12. many-to-one" lists (15) after the formula="" part, but never gives documentation on what (15) is. The list below stops at (14). -- 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

16 years, 11 months

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[Hibernate-JIRA] Created: (HHH-2583) inconsistency in case sensitivity of dialect registered keywords

by Pete Cassin (JIRA)

inconsistency in case sensitivity of dialect registered keywords ---------------------------------------------------------------- Key: HHH-2583 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2583 Project: Hibernate3 Issue Type: Bug Components: documentation, query-hql Affects Versions: 3.2.3 Reporter: Pete Cassin Priority: Minor Right now, the Dialect.registerKeyword() method seems to add a given Keyword to the set as is, without taking the lower case. This would be fine if the intent was to allow case sensitive keywords, however it becomes problematic when these dialect specified keywords are used by the method Template.isFunctionOrKeyword() - the tokens passed to this method always have toLowerCase() called on them prior to being passed in. Thus, if I create a keyword "someKeyword" It will never be recognized as such because even if I included it in my hql with identical case, that method will always be checking the dialect's keyword set for "somekeyword". thus, HQL passed into Template.renderWhereStringTemplate will end up incorrectly qualifying the keyword with a table name. This isn't a serious bug by any means, but it may be good to at least note in documentation that user-specified keywords have to be all lowercase in order to function properly. -- 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

16 years, 11 months

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[Hibernate-JIRA] Created: (HHH-2755) Small mistake in the tutorial

by Ales Nemochovsky (JIRA)

Small mistake in the tutorial ----------------------------- Key: HHH-2755 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2755 Project: Hibernate3 Issue Type: Deprecation Components: documentation Reporter: Ales Nemochovsky Priority: Minor In Hibernate tutorial (@ http://www.hibernate.org/hib_docs/v3/reference/en/html/tutorial.html) should be "jsdk.jar" replaced with "servlet.jar". That means it should be also replaced in the file doc/tutorial/build.xml (on line 42). There are two reasons for that. Sun offers 2 implementations of JSDK: 1) JSDK 2.0 which contains jsdk.jar. But jsdk.jar doesn't implement constructor ServletException(Throwable), which is needed in file doc/tutorial/src/events/EventManagerServlet.java (on line 58). 2) JSDK 2.1 which contains !servlet.jar! is OK. -- 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

16 years, 11 months

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[Hibernate-JIRA] Created: (HHH-2542) NullPointerException in TypeFactory.replaceAssociations for ComponentType

by Reto Urfer (JIRA)

NullPointerException in TypeFactory.replaceAssociations for ComponentType ------------------------------------------------------------------------- Key: HHH-2542 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2542 Project: Hibernate3 Issue Type: Bug Components: core Affects Versions: 3.2.3 Reporter: Reto Urfer The following code block will throw a NullPointerException when targetComponentValues should be determines and target[i] contains a NULL value. else if ( types[i].isComponentType() ) { // need to extract the component values and check for subtype replacements... AbstractComponentType componentType = ( AbstractComponentType ) types[i]; Type[] subtypes = componentType.getSubtypes(); Object[] origComponentValues = original[i] == null ? new Object[subtypes.length] : componentType.getPropertyValues( original[i], session ); Object[] targetComponentValues = componentType.getPropertyValues( target[i], session ); replaceAssociations( origComponentValues, targetComponentValues, subtypes, session, null, copyCache, foreignKeyDirection ); This problem can be fixed the same way as it is prevented when origComponentValues are determined (see following line) Object[] targetComponentValues = target[i] == null ? new Object[subtypes.length] : componentType.getPropertyValues( target[i], session ); copied[i] = target[i]; } The problem did not exist in Version 3.2.2 -- 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

16 years, 11 months

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[Hibernate-JIRA] Created: (HHH-2369) Documentation doesn't state what hibernate returns for empty/null collections

by James Roper (JIRA)

Documentation doesn't state what hibernate returns for empty/null collections ----------------------------------------------------------------------------- Key: HHH-2369 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2369 Project: Hibernate3 Type: Improvement Components: documentation Versions: 3.2.1 Reporter: James Roper Priority: Trivial Reading the hibernate documentation, section 6.1: "Hibernate does not distinguish between a null collection reference and an empty collection" This is all very well, but what does hibernate return when loading a null/empty collection? According to the EJB3 specification, section 2.1.7: "If there are no associated entities for a multi-valued relationship of an entity fetched from the database, the persistence provider is responsible for returning an empty collection as the value of the relationship." If this is the behavior that hibernate implements, then this should be explicitly stated in the hibernate documentation, so that developers know whether they need to do null checks or not after loading an object from the database. -- 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

16 years, 11 months

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hibernate-issues July 2007