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https://issues.apache.org/jira/browse/CAY-3006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrus Adamchik closed CAY-3006.
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Resolution: Fixed
> Can't match a "self" property of an entity with a compound PK
> -------------------------------------------------------------
>
> Key: CAY-3006
> URL: https://issues.apache.org/jira/browse/CAY-3006
> Project: Cayenne
> Issue Type: Bug
> Reporter: Andrus Adamchik
> Assignee: Andrus Adamchik
> Priority: Major
> Fix For: 5.0-M4
>
>
> Comparing an entity to an ObjectId or a Persistent via its "self" property
> fails when the entity has a compound PK:
> {noformat}
> ObjectId id = ObjectId.of("CompoundPkTestEntity", Map.of("KEY1", "PK1",
> "KEY2", "PK2"));
> ObjectSelect.query(CompoundPkTestEntity.class)
> .where(CompoundPkTestEntity.SELF.eqId(id))
> .selectOne(context);
> {noformat}
> throws:
> {noformat}
> CayenneRuntimeException: Unable to translate reference on entity with more
> than one PK.
> {noformat}
> The same comparison against a *related* entity with a compound PK works
> fine, "self" behaves differently from every other entity property:
> {noformat}
> // works
> CompoundFkTestEntity.TO_COMPOUND_PK.eqId(id)
> {noformat}
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