@GeneratedValue allocationSize incorrect implementation
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Key: OPENJPA-1376
URL: https://issues.apache.org/jira/browse/OPENJPA-1376
Project: OpenJPA
Issue Type: Bug
Components: jdbc
Affects Versions: 2.0.0-M3, 1.2.1
Environment: All
Reporter: Yves
Priority: Critical
OpenJpa use allocationSize parameter on NativeJDBCSeq to set the sequence cache
value.
But one "JSR 220: Enterprise JavaBeansTM,Version 3.0" , the allocationSize is :
"The amount to increment by when allocating sequence
numbers from the sequence."
Allocating is used to limit the number of access to the sequence or table not
to set the sequence cache value !
If allocationSize=50, the sequence need to be call one time on each 50 call on
AbstractJDBCSeq.next().
1 call on AbstractJDBCSeq.next(). call the sequence or table
2 call : return previous value + 1;
3 call : return previous value + 2;
...
51 call :re-call the sequence
52 return previous value + 1
...
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