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HHH-19759 - Avoid a ClassCastException when joining on a basic value type #11051

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HHH-19759 - Avoid a ClassCastException when joining on a basic value type #11051

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4 changes: 4 additions & 0 deletions hibernate-core/src/main/java/org/hibernate/query/hql/internal/QualifiedJoinPathConsumer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -212,6 +212,10 @@ else if ( fetch ) {
}
}
}
if ( !(subPathSource instanceof SqmJoinable) ) {
throw new SemanticException( "Joining on basic value elements is not supported",
((SemanticQueryBuilder<?>) creationState).getQuery() );
}
@SuppressWarnings("unchecked")
final SqmJoinable<U, ?> joinSource = (SqmJoinable<U, ?>) subPathSource;
return createJoin( lhs, joinType, alias, fetch, isTerminal, allowReuse, creationState, joinSource );
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4 changes: 4 additions & 0 deletions hibernate-core/src/main/java/org/hibernate/query/hql/internal/SemanticQueryBuilder.java
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Expand Up @@ -436,6 +436,10 @@ public Stack<SqmCreationProcessingState> getProcessingStateStack() {
return processingStateStack;
}

public String getQuery() {
return query;
}

// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Grammar rules

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