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andreas bleicher commented on HHH-6881:
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thanks for clarification!
additional note: setting this to true in PU.xml does currently not work due to a bug in
JB7. see:
identity strategy AUTO uses SequenceStyleGenerator on mssql
-----------------------------------------------------------
Key: HHH-6881
URL:
http://opensource.atlassian.com/projects/hibernate/browse/HHH-6881
Project: Hibernate Core
Issue Type: Bug
Components: core
Affects Versions: 4.0.0.CR2
Environment: Hibernate 4.0.0.CR2, JBoss 7.0.2, MSSQL2008, JTDS-1.2.5
Reporter: andreas bleicher
Priority: Blocker
we are using identity generation with default strategy (GenerationType.AUTO) to support
different DBMS (mssql, oracle, mysql)
our Id annotations:
{Code}
@Id
@GeneratedValue
public long getId()
{
return id;
}
{Code}
since upgrading to jboss7/hibernate4 we get the following error on mssql when persisting
a new entity:
14:33:10,373 ERROR [org.hibernate.id.enhanced.TableStructure] (http--127.0.0.1-8080-3)
could not read a hi value: java.sql.SQLException:
invalid object name 'hibernate_sequence'.
the reason is that instead of the IdentityGenerator the SequenceStyleGenerator is used
although we are using the correct MSSQLServerDialect and it returns
supportsIdentityColumns() = true. The SequenceStyleGenerator tries to find the
'hibernate_sequence' table which does not exist
workaround for mssql by changing code to:
{Code}
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
public long getId()
{
return id;
}
{Code}
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