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HHH-15223 Embeddables in the Query Result, the embeddable instance returned by the query will not be in the managed state

This commit is contained in:
Andrea Boriero 2022-04-22 15:20:17 +02:00
parent c0df74f0f3
commit c58cd979d1
1 changed files with 8 additions and 1 deletions
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9
hibernate-core/src/main/java/org/hibernate/sql/results/graph/embeddable/internal/EmbeddableResultImpl.java
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@ -33,6 +33,7 @@ import org.hibernate.type.descriptor.java.JavaType;
public class EmbeddableResultImpl<T> extends AbstractFetchParent implements EmbeddableResultGraphNode, DomainResult<T>, EmbeddableResult<T> {
private final String resultVariable;
private final boolean containsAnyNonScalars;
private final NavigablePath initializerNavigablePath;
public EmbeddableResultImpl(
NavigablePath navigablePath,
@ -41,6 +42,12 @@ public class EmbeddableResultImpl<T> extends AbstractFetchParent implements Embe
DomainResultCreationState creationState) {
super( modelPart.getEmbeddableTypeDescriptor(), navigablePath );
this.resultVariable = resultVariable;
/*
An `{embeddable_result}` sub-path is created for the corresponding initializer to differentiate it from a fetch-initializer if this embedded is also fetched.
The Jakarta Persistence spec says that any embedded value selected in the result should not be part of the state of any managed entity.
Using this `{embeddable_result}` sub-path avoids this situation.
*/
this.initializerNavigablePath = navigablePath.append( "{embeddable_result}" );
final FromClauseAccess fromClauseAccess = creationState.getSqlAstCreationState().getFromClauseAccess();
@ -114,7 +121,7 @@ public class EmbeddableResultImpl<T> extends AbstractFetchParent implements Embe
FetchParentAccess parentAccess,
AssemblerCreationState creationState) {
final EmbeddableInitializer initializer = (EmbeddableInitializer) creationState.resolveInitializer(
getNavigablePath(),
initializerNavigablePath,
getReferencedModePart(),
() -> new EmbeddableResultInitializer(
this,