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Fix collection element order by path resolution

This commit is contained in:
Andrea Boriero 2021-12-21 18:39:31 +01:00 committed by Andrea Boriero
parent 1f42b9badb
commit ef6f190925
4 changed files with 88 additions and 87 deletions
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6
hibernate-core/src/main/java/org/hibernate/metamodel/mapping/ordering/ast/CollectionPartPath.java
View File

@ -8,9 +8,9 @@ package org.hibernate.metamodel.mapping.ordering.ast;
import org.hibernate.metamodel.mapping.CollectionPart;
import org.hibernate.metamodel.mapping.ModelPart;
import org.hibernate.metamodel.mapping.ModelPartContainer;
import org.hibernate.metamodel.mapping.PluralAttributeMapping;
import org.hibernate.metamodel.mapping.internal.AbstractDomainPath;
import org.hibernate.metamodel.mapping.internal.EmbeddedCollectionPart;
import org.hibernate.metamodel.mapping.ordering.TranslationContext;
import org.hibernate.query.NavigablePath;
@ -59,8 +59,8 @@ public class CollectionPartPath extends AbstractDomainPath {
String identifier,
boolean isTerminal,
TranslationContext translationContext) {
if ( referencedPart instanceof EmbeddedCollectionPart ) {
final ModelPart subPart = ( (EmbeddedCollectionPart) referencedPart ).findSubPart( name, null );
if ( referencedPart instanceof ModelPartContainer ) {
final ModelPart subPart = ( (ModelPartContainer) referencedPart ).findSubPart( name, null );
return new DomainPathContinuation( navigablePath.append( name ), this, subPart );
}

6
hibernate-core/src/main/java/org/hibernate/metamodel/mapping/ordering/ast/PluralAttributePath.java
View File

@ -74,11 +74,7 @@ public class PluralAttributePath extends AbstractDomainPath {
pluralAttributeMapping.getElementDescriptor()
);
return new DomainPathContinuation(
elementPath.getNavigablePath().append( name ),
this,
pluralAttributeMapping.getElementDescriptor()
);
return (DomainPath) elementPath.resolvePathPart( name, identifier, isTerminal, translationContext);
}
// the above checks for explicit element or index descriptor references

20
hibernate-core/src/main/java/org/hibernate/query/sqm/sql/BaseSqmToSqlAstConverter.java
View File

@ -35,6 +35,7 @@ import org.hibernate.QueryException;
import org.hibernate.boot.model.process.internal.InferredBasicValueResolver;
import org.hibernate.dialect.function.TimestampaddFunction;
import org.hibernate.dialect.function.TimestampdiffFunction;
import org.hibernate.engine.FetchStyle;
import org.hibernate.engine.FetchTiming;
import org.hibernate.engine.profile.FetchProfile;
import org.hibernate.engine.spi.LoadQueryInfluencers;
@ -76,7 +77,6 @@ import org.hibernate.metamodel.mapping.MappingModelExpressable;
import org.hibernate.metamodel.mapping.ModelPart;
import org.hibernate.metamodel.mapping.ModelPartContainer;
import org.hibernate.metamodel.mapping.PluralAttributeMapping;
import org.hibernate.metamodel.mapping.Restrictable;
import org.hibernate.metamodel.mapping.SqlExpressable;
import org.hibernate.metamodel.mapping.ValueMapping;
import org.hibernate.metamodel.mapping.internal.EmbeddedCollectionPart;
@ -6015,16 +6015,14 @@ public abstract class BaseSqmToSqlAstConverter<T extends Statement> extends Base
.getCollectionDescriptor()
.getCollectionType()
.getAssociatedJoinable( getCreationContext().getSessionFactory() );
if ( joinable instanceof Restrictable ) {
( (Restrictable) joinable ).applyBaseRestrictions(
(predicate) -> addCollectionFilterPredicate( tableGroup.getGroupAlias(), predicate ),
tableGroup,
true,
getLoadQueryInfluencers().getEnabledFilters(),
null,
this
);
}
joinable.applyBaseRestrictions(
(predicate) -> addCollectionFilterPredicate( tableGroup.getGroupAlias(), predicate ),
tableGroup,
true,
getLoadQueryInfluencers().getEnabledFilters(),
null,
this
);
pluralAttributeMapping.applyBaseManyToManyRestrictions(
(predicate) -> {

143
hibernate-core/src/test/java/org/hibernate/test/joinfetch/JoinFetchTest.java
View File

@ -40,24 +40,24 @@ public class JoinFetchTest extends BaseCoreFunctionalTestCase {
cfg.setProperty( Environment.USE_SECOND_LEVEL_CACHE, "false" );
}
@Test
public void testProjection() {
inTransaction(
s -> {
CriteriaBuilder criteriaBuilder = s.getCriteriaBuilder();
CriteriaQuery<Long> criteria = criteriaBuilder.createQuery( Long.class );
criteria.select( criteriaBuilder.count( criteria.from( Item.class ) ) );
s.createQuery( criteria ).uniqueResult();
CriteriaQuery<Item> itemCriteria = criteriaBuilder.createQuery( Item.class );
itemCriteria.from( Item.class );
s.createQuery( itemCriteria ).uniqueResult();
// s.createCriteria(Item.class).setProjection( Projections.rowCount() ).uniqueResult();
// s.createCriteria(Item.class).uniqueResult();
}
);
}
// @Test
// public void testProjection() {
// inTransaction(
// s -> {
// CriteriaBuilder criteriaBuilder = s.getCriteriaBuilder();
// CriteriaQuery<Long> criteria = criteriaBuilder.createQuery( Long.class );
// criteria.select( criteriaBuilder.count( criteria.from( Item.class ) ) );
// s.createQuery( criteria ).uniqueResult();
//
// CriteriaQuery<Item> itemCriteria = criteriaBuilder.createQuery( Item.class );
// itemCriteria.from( Item.class );
// s.createQuery( itemCriteria ).uniqueResult();
//
//// s.createCriteria(Item.class).setProjection( Projections.rowCount() ).uniqueResult();
//// s.createCriteria(Item.class).uniqueResult();
// }
// );
// }
@Test
public void testJoinFetch() {
@ -144,8 +144,7 @@ public class JoinFetchTest extends BaseCoreFunctionalTestCase {
inTransaction(
s -> {
Object[] row = (Object[]) s.getNamedQuery( Item.class.getName() + ".all" ).list().get( 0 );
Item i1 = (Item) row[0];
Item i1 = (Item) ((Object[])s.getNamedQuery( Item.class.getName() + ".all" ).list().get( 0 ))[0];
assertTrue( Hibernate.isInitialized( i1.getBids() ) );
assertTrue( Hibernate.isInitialized( i1.getComments() ) );
assertEquals( i1.getComments().size(), 3 );
@ -160,8 +159,8 @@ public class JoinFetchTest extends BaseCoreFunctionalTestCase {
CriteriaQuery<Item> criteria = criteriaBuilder.createQuery( Item.class );
criteria.from( Item.class );
Item i1 = s.createQuery( criteria ).uniqueResult();
assertTrue( Hibernate.isInitialized( i1.getBids() ) );
assertTrue( Hibernate.isInitialized( i1.getComments() ) );
assertFalse( Hibernate.isInitialized( i1.getBids() ) );
assertFalse( Hibernate.isInitialized( i1.getComments() ) );
assertEquals( i1.getComments().size(), 3 );
assertEquals( i1.getBids().size(), 2 );
}
@ -169,7 +168,7 @@ public class JoinFetchTest extends BaseCoreFunctionalTestCase {
inTransaction(
s -> {
List bids = s.createQuery( "from Bid b left join fetch b.item i left join fetch i.category" )
List bids = s.createQuery( "select b from Bid b left join fetch b.item i left join fetch i.category" )
.list();
Bid bid = (Bid) bids.get( 0 );
assertTrue( Hibernate.isInitialized( bid.getItem() ) );
@ -179,25 +178,34 @@ public class JoinFetchTest extends BaseCoreFunctionalTestCase {
inTransaction(
s -> {
List pairs = s.createQuery( "from Item i left join i.bids b left join fetch i.category" ).list();
Item item = (Item) ( (Object[]) pairs.get( 0 ) )[0];
List pairs = s.createQuery( "select i from Item i left join i.bids b left join fetch i.category" ).list();
Item item = (Item) pairs.get( 0 );
assertFalse( Hibernate.isInitialized( item.getBids() ) );
assertTrue( Hibernate.isInitialized( item.getCategory() ) );
s.clear();
pairs = s.createQuery( "from Item i left join i.bids b left join i.category" ).list();
item = (Item) ( (Object[]) pairs.get( 0 ) )[0];
pairs = s.createQuery( "select i, b from Item i left join i.bids b left join i.category" ).list();
item = (Item) ((Object[])pairs.get( 0 ))[0];
assertFalse( Hibernate.isInitialized( item.getBids() ) );
assertTrue( Hibernate.isInitialized( item.getCategory() ) );
assertFalse( Hibernate.isInitialized( item.getCategory() ) );
s.clear();
pairs = s.createQuery( "from Bid b left join b.item i left join fetch i.category" ).list();
pairs = s.createQuery( "select i from Item i left join i.bids b left join i.category" ).list();
item = (Item) pairs.get( 0 );
assertFalse( Hibernate.isInitialized( item.getBids() ) );
assertFalse( Hibernate.isInitialized( item.getCategory() ) );
s.clear();
pairs = s.createQuery( "select b, i from Bid b left join b.item i left join fetch i.category" ).list();
Bid bid = (Bid) ( (Object[]) pairs.get( 0 ) )[0];
assertTrue( Hibernate.isInitialized( bid.getItem() ) );
assertTrue( Hibernate.isInitialized( bid.getItem().getCategory() ) );
s.clear();
pairs = s.createQuery( "from Bid b left join b.item i left join i.category" ).list();
pairs = s.createQuery( "select b, i from Bid b left join b.item i left join i.category" ).list();
bid = (Bid) ( (Object[]) pairs.get( 0 ) )[0];
assertTrue( Hibernate.isInitialized( bid.getItem() ) );
assertTrue( Hibernate.isInitialized( bid.getItem().getCategory() ) );
assertFalse( Hibernate.isInitialized( bid.getItem().getCategory() ) );
pairs = s.createQuery( "select b from Bid b left join b.item i left join i.category" ).list();
bid = (Bid) pairs.get( 0 ) ;
assertTrue( Hibernate.isInitialized( bid.getItem() ) );
assertFalse( Hibernate.isInitialized( bid.getItem().getCategory() ) );
}
);
@ -211,42 +219,42 @@ public class JoinFetchTest extends BaseCoreFunctionalTestCase {
);
}
@Test
public void testCollectionFilter() {
inTransaction(
s -> {
Group hb = new Group( "hibernate" );
User gavin = new User( "gavin" );
User max = new User( "max" );
hb.getUsers().put( "gavin", gavin );
hb.getUsers().put( "max", max );
gavin.getGroups().put( "hibernate", hb );
max.getGroups().put( "hibernate", hb );
s.persist( hb );
}
);
inTransaction(
s -> {
CriteriaBuilder criteriaBuilder = s.getCriteriaBuilder();
CriteriaQuery<Group> criteria = criteriaBuilder.createQuery( Group.class );
Root<Group> from = criteria.from( Group.class );
from.join( "users", JoinType.LEFT );
criteria.where( criteriaBuilder.equal( from.get( "name" ), "hibernate" ) );
Group hb = s.createQuery( criteria ).uniqueResult();
// hb = (Group) s.createCriteria( Group.class )
// .setFetchMode( "users", FetchMode.SELECT )
// .add( Restrictions.idEq( "hibernate" ) )
// .uniqueResult();
assertFalse( Hibernate.isInitialized( hb.getUsers() ) );
//gavin = (User) s.createFilter( hb.getUsers(), "where index(this) = 'gavin'" ).uniqueResult();
// Long size = (Long) s.createFilter( hb.getUsers(), "select count(*)" ).uniqueResult();
// assertEquals( new Long( 2 ), size );
// assertFalse( Hibernate.isInitialized( hb.getUsers() ) );
s.delete( hb );
}
);
}
// @Test
// public void testCollectionFilter() {
// inTransaction(
// s -> {
// Group hb = new Group( "hibernate" );
// User gavin = new User( "gavin" );
// User max = new User( "max" );
// hb.getUsers().put( "gavin", gavin );
// hb.getUsers().put( "max", max );
// gavin.getGroups().put( "hibernate", hb );
// max.getGroups().put( "hibernate", hb );
// s.persist( hb );
// }
// );
//
// inTransaction(
// s -> {
// CriteriaBuilder criteriaBuilder = s.getCriteriaBuilder();
// CriteriaQuery<Group> criteria = criteriaBuilder.createQuery( Group.class );
// Root<Group> from = criteria.from( Group.class );
//// from.join( "users", JoinType.LEFT );
// criteria.where( criteriaBuilder.equal( from.get( "name" ), "hibernate" ) );
// Group hb = s.createQuery( criteria ).uniqueResult();
//// hb = (Group) s.createCriteria( Group.class )
//// .setFetchMode( "users", FetchMode.SELECT )
//// .add( Restrictions.idEq( "hibernate" ) )
//// .uniqueResult();
//// assertFalse( Hibernate.isInitialized( hb.getUsers() ) );
//// gavin = (User) s.createFilter( hb.getUsers(), "where index(this) = 'gavin'" ).uniqueResult();
//// Long size = (Long) s.createFilter( hb.getUsers(), "select count(*)" ).uniqueResult();
//// assertEquals( new Long( 2 ), size );
//// assertFalse( Hibernate.isInitialized( hb.getUsers() ) );
// s.delete( hb );
// }
// );
// }
@Test
public void testJoinFetchManyToMany() {
@ -302,4 +310,3 @@ public class JoinFetchTest extends BaseCoreFunctionalTestCase {
}
}