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HHH-9282 : Revert HHH-9222 on 4.3 branch

This commit is contained in:
Gail Badner 2014-07-09 22:28:54 -07:00
parent 365bfe99d8
commit 25575d2e7d
3 changed files with 38 additions and 72 deletions
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63
hibernate-core/src/main/java/org/hibernate/hql/internal/ast/exec/DeleteExecutor.java
View File

@ -78,49 +78,36 @@ public class DeleteExecutor extends BasicExecutor {
parameterSpecifications = new ArrayList<ParameterSpecification>();
idSubselectWhere = "";
}
// find plural attributes defined for the entity being deleted...
// If many-to-many, delete the FK row in the collection table.
for ( Type type : persister.getPropertyTypes() ) {
if ( ! type.isCollectionType() ) {
continue;
}
// if the plural attribute maps to a "collection table" we need
// to remove the rows from that table corresponding to any
// owners we are about to delete. "collection table" is
// (unfortunately) indicated in a number of ways, but here we
// are mainly concerned with:
// 1) many-to-many mappings
// 2) basic collection mappings
final CollectionType cType = (CollectionType) type;
final AbstractCollectionPersister cPersister = (AbstractCollectionPersister) factory
if ( type.isCollectionType() ) {
final CollectionType cType = (CollectionType) type;
final AbstractCollectionPersister cPersister = (AbstractCollectionPersister) factory
.getCollectionPersister( cType.getRole() );
final boolean hasCollectionTable = cPersister.isManyToMany()
|| !cPersister.getElementType().isAssociationType();
if ( !hasCollectionTable ) {
continue;
}
if ( persister.getIdentifierColumnNames().length > 1
&& !dialect.supportsTuplesInSubqueries() ) {
LOG.warn(
"This dialect is unable to cascade the delete into the many-to-many join table" +
if ( cPersister.isManyToMany() ) {
if ( persister.getIdentifierColumnNames().length > 1
&& !dialect.supportsTuplesInSubqueries() ) {
LOG.warn(
"This dialect is unable to cascade the delete into the many-to-many join table" +
" when the entity has multiple primary keys. Either properly setup cascading on" +
" the constraints or manually clear the associations prior to deleting the entities."
);
continue;
);
}
else {
final String idSubselect = "(select "
+ StringHelper.join( ", ", persister.getIdentifierColumnNames() ) + " from "
+ persister.getTableName() + idSubselectWhere + ")";
final String where = "(" + StringHelper.join( ", ", cPersister.getKeyColumnNames() )
+ ") in " + idSubselect;
final Delete delete = new Delete().setTableName( cPersister.getTableName() ).setWhere( where );
if ( factory.getSettings().isCommentsEnabled() ) {
delete.setComment( "delete FKs in join table" );
}
deletes.add( delete.toStatementString() );
}
}
}
final String idSubselect = "(select "
+ StringHelper.join( ", ", persister.getIdentifierColumnNames() ) + " from "
+ persister.getTableName() + idSubselectWhere + ")";
final String where = "(" + StringHelper.join( ", ", cPersister.getKeyColumnNames() )
+ ") in " + idSubselect;
final Delete delete = new Delete().setTableName( cPersister.getTableName() ).setWhere( where );
if ( factory.getSettings().isCommentsEnabled() ) {
delete.setComment( "bulk delete - collection table clean up (" + cPersister.getRole() + ")" );
}
deletes.add( delete.toStatementString() );
}
}
catch (RecognitionException e) {

42
hibernate-core/src/main/java/org/hibernate/hql/spi/TableBasedDeleteHandlerImpl.java
View File

@ -83,39 +83,17 @@ public class TableBasedDeleteHandlerImpl
final String idSubselect = generateIdSubselect( targetedPersister );
deletes = new ArrayList<String>();
// find plural attributes defined for the entity being deleted...
//
// NOTE : this partially overlaps with DeleteExecutor, but it instead
// uses the temp table in the idSubselect.
// If many-to-many, delete the FK row in the collection table.
// This partially overlaps with DeleteExecutor, but it instead uses the temp table in the idSubselect.
for ( Type type : targetedPersister.getPropertyTypes() ) {
if ( ! type.isCollectionType() ) {
continue;
if ( type.isCollectionType() ) {
CollectionType cType = (CollectionType) type;
AbstractCollectionPersister cPersister = (AbstractCollectionPersister)factory.getCollectionPersister( cType.getRole() );
if ( cPersister.isManyToMany() ) {
deletes.add( generateDelete( cPersister.getTableName(),
cPersister.getKeyColumnNames(), idSubselect, "bulk delete - m2m join table cleanup"));
}
}
final CollectionType cType = (CollectionType) type;
final AbstractCollectionPersister cPersister = (AbstractCollectionPersister)factory.getCollectionPersister( cType.getRole() );
// if the plural attribute maps to a "collection table" we need
// to remove the rows from that table corresponding to any
// owners we are about to delete. "collection table" is
// (unfortunately) indicated in a number of ways, but here we
// are mainly concerned with:
// 1) many-to-many mappings
// 2) basic collection mappings
final boolean hasCollectionTable = cPersister.isManyToMany()
|| !cPersister.getElementType().isAssociationType();
if ( !hasCollectionTable ) {
continue;
}
deletes.add(
generateDelete(
cPersister.getTableName(),
cPersister.getKeyColumnNames(),
idSubselect,
"bulk delete - collection table clean up (" + cPersister.getRole() + ")"
)
);
}
String[] tableNames = targetedPersister.getConstraintOrderedTableNameClosure();
@ -125,7 +103,7 @@ public class TableBasedDeleteHandlerImpl
// the difficulty is the ordering of the tables here vs the cascade attributes on the persisters ->
// the table info gotten here should really be self-contained (i.e., a class representation
// defining all the needed attributes), then we could then get an array of those
deletes.add( generateDelete( tableNames[i], columnNames[i], idSubselect, "bulk delete" ) );
deletes.add( generateDelete( tableNames[i], columnNames[i], idSubselect, "bulk delete"));
}
}

5
hibernate-core/src/test/java/org/hibernate/test/hql/BulkManipulationTest.java
View File

@ -46,6 +46,7 @@ import org.hibernate.jdbc.Work;
import org.hibernate.persister.entity.EntityPersister;
import org.hibernate.testing.DialectChecks;
import org.hibernate.testing.FailureExpected;
import org.hibernate.testing.RequiresDialectFeature;
import org.hibernate.testing.SkipForDialect;
import org.hibernate.testing.SkipLog;
@ -1421,7 +1422,7 @@ public class BulkManipulationTest extends BaseCoreFunctionalTestCase {
}
@Test
@TestForIssue( jiraKey = "HHH-9222" )
@FailureExpected( jiraKey = "HHH-9282", message = "failed because HHH-9222 was reverted by HHH-9282")
public void testBulkDeleteOfEntityWithElementCollection() {
// set up test data
{
@ -1490,7 +1491,7 @@ public class BulkManipulationTest extends BaseCoreFunctionalTestCase {
}
@Test
@TestForIssue( jiraKey = "HHH-9222" )
@FailureExpected( jiraKey = "HHH-9282", message = "failed because HHH-9222 was reverted by HHH-9282")
public void testBulkDeleteOfMultiTableEntityWithElementCollection() {
// set up test data
{