Thomas Darimont created OPENJPA-2544:
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Summary: OpenJPA should allow null value as surrogate for an empty
collection or array in queries
Key: OPENJPA-2544
URL: https://issues.apache.org/jira/browse/OPENJPA-2544
Project: OpenJPA
Issue Type: Improvement
Components: criteria
Affects Versions: 2.3.0
Reporter: Thomas Darimont
Priority: Minor
Hibernate and EclipseLink support null to be used as a surrogate for an empty
collection in CriteriaQueries.
Would be great to have that in OpenJPA as well - sadly the JPA spec isn't that
clear on this...
I added a test case that reproduces the issue:
https://gist.github.com/thomasdarimont/b8d4f01b0e66bcdb2560
See: shouldSupportNullValueAsASubstituateForAnEmptyParameterList
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