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HHH-17638 Prevent reusing left joins for implicitly joined paths

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This commit is contained in:
Marco Belladelli 2024-01-19 15:23:30 +01:00
parent 86dad3d702
commit 18d88a4430
2 changed files with 21 additions and 4 deletions
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11
hibernate-core/src/main/java/org/hibernate/query/sqm/sql/BaseSqmToSqlAstConverter.java
View File

@ -3647,7 +3647,10 @@ private <X> X prepareReusablePath(
if ( sqmPath instanceof SqmEntityValuedSimplePath<?>
|| sqmPath instanceof SqmEmbeddedValuedSimplePath<?>
|| sqmPath instanceof SqmAnyValuedSimplePath<?> ) {
final TableGroup existingTableGroup = fromClauseIndex.findTableGroupForGetOrCreate( sqmPath.getNavigablePath() );
final TableGroup existingTableGroup = fromClauseIndex.findTableGroupForGetOrCreate(
sqmPath.getNavigablePath(),
allowLeftJoins
);
if ( existingTableGroup == null ) {
final TableGroup createdTableGroup = createTableGroup(
getActualTableGroup(
@ -3900,9 +3903,9 @@ private TableGroup createTableGroup(TableGroup parentTableGroup, SqmPath<?> join
private boolean isMappedByOrNotFoundToOne(TableGroupJoinProducer joinProducer) {
if ( joinProducer instanceof ToOneAttributeMapping ) {
final ToOneAttributeMapping toOne = (ToOneAttributeMapping) joinProducer;
if ( toOne.hasNotFoundAction() || toOne.getReferencedPropertyName() != null ) {
return true;
}
return toOne.hasNotFoundAction() ||
// ToOne( mappedBy = "..." ) always has a referenced property name and is the target side
( toOne.getReferencedPropertyName() != null && toOne.getSideNature() == ForeignKeyDescriptor.Nature.TARGET );
}
return false;
}

14
hibernate-core/src/main/java/org/hibernate/sql/ast/spi/SimpleFromClauseAccessImpl.java
View File

@ -9,11 +9,14 @@
import java.util.HashMap;
import java.util.Map;
import org.hibernate.metamodel.mapping.CollectionPart;
import org.hibernate.metamodel.model.domain.NavigableRole;
import org.hibernate.spi.NavigablePath;
import org.hibernate.sql.ast.SqlAstJoinType;
import org.hibernate.sql.ast.SqlTreeCreationLogger;
import org.hibernate.sql.ast.tree.from.CorrelatedTableGroup;
import org.hibernate.sql.ast.tree.from.TableGroup;
import org.hibernate.sql.ast.tree.from.TableGroupJoin;
import org.jboss.logging.Logger;
@ -83,6 +86,17 @@ public TableGroup findTableGroupForGetOrCreate(NavigablePath navigablePath) {
}
}
public TableGroup findTableGroupForGetOrCreate(NavigablePath navigablePath, boolean allowLeftJoins) {
final TableGroup tableGroup = findTableGroupForGetOrCreate( navigablePath );
if ( !allowLeftJoins && tableGroup != null && navigablePath.getParent() != null
&& CollectionPart.Nature.fromNameExact( navigablePath.getLocalName() ) == null ) {
// This is an implicitly joined path, do not reuse existing table group if it's left joined
final TableGroupJoin join = findTableGroup( navigablePath.getParent() ).findTableGroupJoin( tableGroup );
return join != null && join.getJoinType() == SqlAstJoinType.LEFT ? null : tableGroup;
}
return tableGroup;
}
private TableGroup getCorrelatedTableGroup(TableGroup tableGroup) {
if ( tableGroup instanceof CorrelatedTableGroup ) {
return getCorrelatedTableGroup( ( (CorrelatedTableGroup) tableGroup ).getCorrelatedTableGroup() );