I have an optional many-2-many relationship between entities A and B. EntityModeler creates a join table with nothing modelled but the logical m:n relationships.
Now I need a qualifier to fetch all As that are either assigned to a given B or not assigned at all. Following part works (finding all As assigned to a given B): A.TO_MANY_B_ERXKEY.eq(myBObject) Trying to find all As that have NO relationship to any B either finds nothing A.TO_MANY_B_ERXKEY.isNull() or results in a NullPointerException A.TO_MANY_B_ERXKEY.isEmptyRelationship() What am I missing here? In the end I want to simply join the two partial qualifiers by .or() Thanks ---markus---
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