Hibernate
/
hibernate-orm
mirror of https://github.com/hibernate/hibernate-orm
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

HHH-17956 Criteria multiselect ignores type of the criteria query and always returns list of Object[]

This commit is contained in:
Andrea Boriero 2024-04-22 10:58:17 +02:00 committed by Christian Beikov
parent f5062b2aef
commit a567226a72
18 changed files with 496 additions and 138 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
documentation/src/main/asciidoc/querylanguage/Expressions.adoc
View File

@ -740,9 +740,9 @@ The following functions are abbreviations for `extract()`:
| `year(x)` | `extract(year from x)` | ✖
| `month(x)` | `extract(month from x)` | ✖
| `day(x)` | `extract(day from x)` | ✖
| `hour(x)` | `extract(year from x)` | ✖
| `minute(x)` | `extract(year from x)` | ✖
| `second(x)` | `extract(year from x)` | ✖
| `hour(x)` | `extract(hour from x)` | ✖
| `minute(x)` | `extract(minute from x)` | ✖
| `second(x)` | `extract(second from x)` | ✖
|===
TIP: These abbreviations aren't part of the JPQL standard, but on the other hand they're a lot less verbose.

2
hibernate-core/src/main/java/org/hibernate/dialect/function/SumReturnTypeResolver.java
View File

@ -41,7 +41,7 @@ import static org.hibernate.type.SqlTypes.*;
*
* @author Christian Beikov
*/
class SumReturnTypeResolver implements FunctionReturnTypeResolver {
public class SumReturnTypeResolver implements FunctionReturnTypeResolver {
private final BasicType<Long> longType;
private final BasicType<Double> doubleType;

10
hibernate-core/src/main/java/org/hibernate/internal/AbstractSharedSessionContract.java
View File

@ -115,6 +115,8 @@ import jakarta.persistence.criteria.CriteriaDelete;
import jakarta.persistence.criteria.CriteriaQuery;
import jakarta.persistence.criteria.CriteriaUpdate;
import org.hibernate.stat.spi.StatisticsImplementor;
import org.hibernate.type.descriptor.java.JavaType;
import org.hibernate.type.descriptor.java.spi.UnknownBasicJavaType;
import static java.lang.Boolean.TRUE;
import static org.hibernate.internal.util.ReflectHelper.isClass;
@ -962,8 +964,7 @@ public abstract class AbstractSharedSessionContract implements SharedSessionCont
query.addEntity( resultClass, LockMode.READ );
}
else if ( resultClass != Object.class && resultClass != Object[].class ) {
if ( isClass( resultClass )
&& getTypeConfiguration().getJavaTypeRegistry().findDescriptor( resultClass ) == null ) {
if ( isClass( resultClass ) && !hasJavaTypeDescriptor( resultClass ) ) {
// not a basic type
query.setTupleTransformer( new NativeQueryConstructorTransformer<>( resultClass ) );
}
@ -973,6 +974,11 @@ public abstract class AbstractSharedSessionContract implements SharedSessionCont
}
}
private <T> boolean hasJavaTypeDescriptor(Class<T> resultClass) {
final JavaType<Object> descriptor = getTypeConfiguration().getJavaTypeRegistry().findDescriptor( resultClass );
return descriptor != null && descriptor.getClass() != UnknownBasicJavaType.class;
}
@Override
public <T> NativeQueryImplementor<T> createNativeQuery(String sqlString, Class<T> resultClass, String tableAlias) {
@SuppressWarnings("unchecked")

66
hibernate-core/src/main/java/org/hibernate/query/spi/AbstractSelectionQuery.java
View File

@ -30,6 +30,7 @@ import jakarta.persistence.TemporalType;
import jakarta.persistence.Tuple;
import jakarta.persistence.TupleElement;
import jakarta.persistence.criteria.CompoundSelection;
import org.checkerframework.checker.nullness.qual.Nullable;
import org.hibernate.CacheMode;
import org.hibernate.FlushMode;
@ -260,12 +261,11 @@ public abstract class AbstractSelectionQuery<R>
SqmQueryPart<R> queryPart,
Class<R> expectedResultType,
SessionFactoryImplementor factory) {
assert getQueryString().equals( CRITERIA_HQL_STRING );
if ( queryPart instanceof SqmQuerySpec<?> ) {
final SqmQuerySpec<R> sqmQuerySpec = (SqmQuerySpec<R>) queryPart;
final List<SqmSelection<?>> sqmSelections = sqmQuerySpec.getSelectClause().getSelections();
if ( getQueryString() == CRITERIA_HQL_STRING ) {
if ( sqmSelections == null || sqmSelections.isEmpty() ) {
// make sure there is at least one root
final List<SqmRoot<?>> sqmRoots = sqmQuerySpec.getFromClause().getRoots();
@ -280,6 +280,7 @@ public abstract class AbstractSelectionQuery<R>
throw new IllegalArgumentException( "Criteria has multiple query roots" );
}
}
}
if ( expectedResultType != null ) {
checkQueryReturnType( sqmQuerySpec, expectedResultType, factory );
@ -302,8 +303,34 @@ public abstract class AbstractSelectionQuery<R>
if ( selections.size() == 1 ) {
// we have one item in the select list,
// the type has to match (no instantiation)
final SqmSelection<?> sqmSelection = selections.get(0);
final SqmSelection<?> sqmSelection = selections.get( 0 );
final SqmSelectableNode<?> selectableNode = sqmSelection.getSelectableNode();
if ( selectableNode.isCompoundSelection() ) {
final Class<?> expectedSelectItemType = expectedResultClass.isArray()
? expectedResultClass.getComponentType()
: expectedResultClass;
for ( JpaSelection<?> selection : selectableNode.getSelectionItems() ) {
verifySelectionType( expectedSelectItemType, sessionFactory, (SqmSelectableNode<?>) selection );
}
}
else {
verifySelectionType( expectedResultClass, sessionFactory, sqmSelection.getSelectableNode() );
}
}
else if ( expectedResultClass.isArray() ) {
final Class<?> componentType = expectedResultClass.getComponentType();
for ( SqmSelection<?> selection : selections ) {
verifySelectionType( componentType, sessionFactory, selection.getSelectableNode() );
}
}
// else, let's assume we can instantiate it!
}
}
private static <T> void verifySelectionType(
Class<T> expectedResultClass,
SessionFactoryImplementor sessionFactory,
SqmSelection<?> sqmSelection) {
// special case for parameters in the select list
final SqmSelectableNode<?> selection = sqmSelection.getSelectableNode();
if ( selection instanceof SqmParameter ) {
@ -317,10 +344,27 @@ public abstract class AbstractSelectionQuery<R>
}
if ( !sessionFactory.getSessionFactoryOptions().getJpaCompliance().isJpaQueryComplianceEnabled() ) {
verifyResultType( expectedResultClass, sqmSelection.getExpressible() );
verifyResultType( expectedResultClass, selection.getExpressible() );
}
}
// else, let's assume we can instantiate it!
private static <T> void verifySelectionType(
Class<T> expectedResultClass,
SessionFactoryImplementor sessionFactory,
SqmSelectableNode<?> selection) {
// special case for parameters in the select list
if ( selection instanceof SqmParameter ) {
final SqmParameter<?> sqmParameter = (SqmParameter<?>) selection;
final SqmExpressible<?> nodeType = sqmParameter.getExpressible();
// we may not yet know a selection type
if ( nodeType == null || nodeType.getExpressibleJavaType() == null ) {
// we can't verify the result type up front
return;
}
}
if ( !sessionFactory.getSessionFactoryOptions().getJpaCompliance().isJpaQueryComplianceEnabled() ) {
verifyResultType( expectedResultClass, selection.getExpressible() );
}
}
@ -334,17 +378,18 @@ public abstract class AbstractSelectionQuery<R>
private static <T> boolean isResultTypeAlwaysAllowed(Class<T> expectedResultClass) {
return expectedResultClass == null
|| expectedResultClass == Object.class
|| expectedResultClass == Object[].class
|| expectedResultClass == List.class
|| expectedResultClass == Tuple.class
|| expectedResultClass.isArray();
|| expectedResultClass == Map.class
|| expectedResultClass == Tuple.class;
}
protected static <T> void verifyResultType(Class<T> resultClass, SqmExpressible<?> sqmExpressible) {
assert sqmExpressible != null;
protected static <T> void verifyResultType(Class<T> resultClass, @Nullable SqmExpressible<?> sqmExpressible) {
if ( sqmExpressible != null ) {
final JavaType<?> expressibleJavaType = sqmExpressible.getExpressibleJavaType();
assert expressibleJavaType != null;
final Class<?> javaTypeClass = expressibleJavaType.getJavaTypeClass();
if ( !resultClass.isAssignableFrom( javaTypeClass ) ) {
if ( javaTypeClass != Object.class && !resultClass.isAssignableFrom( javaTypeClass ) ) {
if ( expressibleJavaType instanceof PrimitiveJavaType ) {
final PrimitiveJavaType<?> javaType = (PrimitiveJavaType<?>) expressibleJavaType;
if ( javaType.getPrimitiveClass() != resultClass ) {
@ -357,6 +402,7 @@ public abstract class AbstractSelectionQuery<R>
// else special case, we are good
}
}
}
// Special case for date because we always report java.util.Date as expression type
// But the expected resultClass could be a subtype of that, so we need to check the JdbcType

4
hibernate-core/src/main/java/org/hibernate/query/spi/DomainQueryExecutionContext.java
View File

@ -38,4 +38,8 @@ public interface DomainQueryExecutionContext {
* The underlying session
*/
SharedSessionContractImplementor getSession();
default Class<?> getResultType() {
return null;
}
}

2
hibernate-core/src/main/java/org/hibernate/query/sqm/internal/ConcreteSqmSelectQueryPlan.java
View File

@ -137,11 +137,13 @@ public class ConcreteSqmSelectQueryPlan<R> implements SelectQueryPlan<R> {
jdbcParameterBindings
);
session.autoFlushIfRequired( jdbcSelect.getAffectedTableNames(), true );
//noinspection unchecked
return session.getFactory().getJdbcServices().getJdbcSelectExecutor().list(
jdbcSelect,
jdbcParameterBindings,
listInterpreterExecutionContext( hql, executionContext, jdbcSelect, subSelectFetchKeyHandler ),
rowTransformer,
(Class<R>) executionContext.getResultType(),
uniqueSemantic
);
}

40
hibernate-core/src/main/java/org/hibernate/query/sqm/internal/QuerySqmImpl.java
View File

@ -251,34 +251,7 @@ public class QuerySqmImpl<R>
bindCriteriaParameter((SqmJpaCriteriaParameterWrapper<?>) sqmParameter);
}
}
if ( sqm instanceof SqmSelectStatement<?> ) {
SqmUtil.verifyIsSelectStatement( sqm, null );
final SqmQueryPart<R> queryPart = ( (SqmSelectStatement<R>) sqm ).getQueryPart();
// For criteria queries, we have to validate the fetch structure here
queryPart.validateQueryStructureAndFetchOwners();
visitQueryReturnType(
queryPart,
expectedResultType,
producer.getFactory()
);
}
else {
if ( expectedResultType != null ) {
throw new IllegalQueryOperationException( "Result type given for a non-SELECT Query", hql, null );
}
if ( sqm instanceof SqmUpdateStatement<?> ) {
final SqmUpdateStatement<R> updateStatement = (SqmUpdateStatement<R>) sqm;
verifyImmutableEntityUpdate( CRITERIA_HQL_STRING, updateStatement, producer.getFactory() );
if ( updateStatement.getSetClause() == null
|| updateStatement.getSetClause().getAssignments().isEmpty() ) {
throw new IllegalArgumentException( "No assignments specified as part of UPDATE criteria" );
}
}
else if ( sqm instanceof SqmInsertStatement<?> ) {
verifyInsertTypesMatch( CRITERIA_HQL_STRING, (SqmInsertStatement<R>) sqm );
}
}
validateStatement( sqm, expectedResultType );
resultType = expectedResultType;
tupleMetadata = buildTupleMetadata( criteria, expectedResultType );
@ -298,7 +271,12 @@ public class QuerySqmImpl<R>
private void validateStatement(SqmStatement<R> sqmStatement, Class<R> resultType) {
if ( sqmStatement instanceof SqmSelectStatement<?> ) {
SqmUtil.verifyIsSelectStatement( sqmStatement, hql );
final SqmQueryPart<R> queryPart = ( (SqmSelectStatement<R>) sqm ).getQueryPart();
if ( hql == CRITERIA_HQL_STRING ) {
// For criteria queries, we have to validate the fetch structure here
queryPart.validateQueryStructureAndFetchOwners();
}
visitQueryReturnType( queryPart, resultType, getSessionFactory() );
}
else {
if ( resultType != null ) {
@ -307,6 +285,10 @@ public class QuerySqmImpl<R>
if ( sqmStatement instanceof SqmUpdateStatement<?> ) {
final SqmUpdateStatement<R> updateStatement = (SqmUpdateStatement<R>) sqmStatement;
verifyImmutableEntityUpdate( hql, updateStatement, getSessionFactory() );
if ( updateStatement.getSetClause() == null
|| updateStatement.getSetClause().getAssignments().isEmpty() ) {
throw new IllegalArgumentException( "No assignments specified as part of UPDATE criteria" );
}
verifyUpdateTypesMatch( hql, updateStatement );
}
else if ( sqmStatement instanceof SqmInsertStatement<?> ) {

22
hibernate-core/src/main/java/org/hibernate/query/sqm/internal/SqmCriteriaNodeBuilder.java
View File

@ -34,6 +34,8 @@ import java.util.Set;
import java.util.function.Supplier;
import org.hibernate.SessionFactory;
import org.hibernate.dialect.function.AvgFunction;
import org.hibernate.dialect.function.SumReturnTypeResolver;
import org.hibernate.dialect.function.array.DdlTypeHelper;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.internal.CoreLogging;
@ -81,6 +83,7 @@ import org.hibernate.query.sqm.UnaryArithmeticOperator;
import org.hibernate.query.sqm.function.NamedSqmFunctionDescriptor;
import org.hibernate.query.sqm.function.SqmFunctionDescriptor;
import org.hibernate.query.sqm.produce.function.FunctionArgumentException;
import org.hibernate.query.sqm.produce.function.FunctionReturnTypeResolver;
import org.hibernate.query.sqm.produce.function.StandardFunctionReturnTypeResolvers;
import org.hibernate.query.sqm.spi.SqmCreationContext;
import org.hibernate.query.sqm.tree.SqmQuery;
@ -201,6 +204,8 @@ public class SqmCriteriaNodeBuilder implements NodeBuilder, SqmCreationContext,
private transient BasicType<Integer> integerType;
private transient BasicType<Long> longType;
private transient BasicType<Character> characterType;
private transient FunctionReturnTypeResolver sumReturnTypeResolver;
private transient FunctionReturnTypeResolver avgReturnTypeResolver;
private final transient Map<Class<? extends HibernateCriteriaBuilder>, HibernateCriteriaBuilder> extensions;
public SqmCriteriaNodeBuilder(
@ -248,7 +253,6 @@ public class SqmCriteriaNodeBuilder implements NodeBuilder, SqmCreationContext,
}
@Override
public BasicType<Boolean> getBooleanType() {
final BasicType<Boolean> booleanType = this.booleanType;
@ -293,6 +297,22 @@ public class SqmCriteriaNodeBuilder implements NodeBuilder, SqmCreationContext,
return characterType;
}
public FunctionReturnTypeResolver getSumReturnTypeResolver() {
final FunctionReturnTypeResolver resolver = sumReturnTypeResolver;
if ( resolver == null ) {
return this.sumReturnTypeResolver = new SumReturnTypeResolver( getTypeConfiguration() );
}
return resolver;
}
public FunctionReturnTypeResolver getAvgReturnTypeResolver() {
final FunctionReturnTypeResolver resolver = avgReturnTypeResolver;
if ( resolver == null ) {
return this.avgReturnTypeResolver = new AvgFunction.ReturnTypeResolver( getTypeConfiguration() );
}
return resolver;
}
@Override
public QueryEngine getQueryEngine() {
return queryEngine;

48
hibernate-core/src/main/java/org/hibernate/query/sqm/tree/domain/SqmElementAggregateFunction.java
View File

@ -6,17 +6,23 @@
*/
package org.hibernate.query.sqm.tree.domain;
import java.util.List;
import org.hibernate.metamodel.model.domain.PluralPersistentAttribute;
import org.hibernate.query.ReturnableType;
import org.hibernate.query.hql.spi.SqmCreationState;
import org.hibernate.query.sqm.SemanticQueryWalker;
import org.hibernate.query.sqm.SqmPathSource;
import org.hibernate.query.sqm.SqmExpressible;
import org.hibernate.query.sqm.sql.SqmToSqlAstConverter;
import org.hibernate.query.sqm.tree.SqmCopyContext;
import org.hibernate.type.descriptor.java.JavaType;
/**
* @author Steve Ebersole
*/
public class SqmElementAggregateFunction<T> extends AbstractSqmSpecificPluralPartPath<T> {
private final String functionName;
private final ReturnableType<T> returnableType;
public SqmElementAggregateFunction(SqmPath<?> pluralDomainPath, String functionName) {
//noinspection unchecked
@ -27,6 +33,46 @@ public class SqmElementAggregateFunction<T> extends AbstractSqmSpecificPluralPar
( (PluralPersistentAttribute<?, ?, T>) pluralDomainPath.getReferencedPathSource() ).getElementPathSource()
);
this.functionName = functionName;
switch ( functionName ) {
case "sum":
//noinspection unchecked
this.returnableType = (ReturnableType<T>) nodeBuilder().getSumReturnTypeResolver()
.resolveFunctionReturnType(
null,
(SqmToSqlAstConverter) null,
List.of( pluralDomainPath ),
nodeBuilder().getTypeConfiguration()
);
break;
case "avg":
//noinspection unchecked
this.returnableType = (ReturnableType<T>) nodeBuilder().getAvgReturnTypeResolver()
.resolveFunctionReturnType(
null,
(SqmToSqlAstConverter) null,
List.of( pluralDomainPath ),
nodeBuilder().getTypeConfiguration()
);
break;
default:
this.returnableType = null;
break;
}
}
@Override
public SqmExpressible<T> getExpressible() {
return returnableType == null ? super.getExpressible() : returnableType;
}
@Override
public JavaType<T> getJavaTypeDescriptor() {
return returnableType == null ? super.getJavaTypeDescriptor() : returnableType.getExpressibleJavaType();
}
@Override
public JavaType<T> getNodeJavaType() {
return returnableType == null ? super.getNodeJavaType() : returnableType.getExpressibleJavaType();
}
@Override

48
hibernate-core/src/main/java/org/hibernate/query/sqm/tree/domain/SqmIndexAggregateFunction.java
View File

@ -6,17 +6,25 @@
*/
package org.hibernate.query.sqm.tree.domain;
import java.util.List;
import org.hibernate.metamodel.mapping.CollectionPart;
import org.hibernate.metamodel.model.domain.PluralPersistentAttribute;
import org.hibernate.query.ReturnableType;
import org.hibernate.query.hql.spi.SqmCreationState;
import org.hibernate.query.sqm.SemanticQueryWalker;
import org.hibernate.query.sqm.SqmExpressible;
import org.hibernate.query.sqm.SqmPathSource;
import org.hibernate.query.sqm.sql.SqmToSqlAstConverter;
import org.hibernate.query.sqm.tree.SqmCopyContext;
import org.hibernate.type.descriptor.java.JavaType;
/**
* @author Steve Ebersole
*/
public class SqmIndexAggregateFunction<T> extends AbstractSqmSpecificPluralPartPath<T> {
private final String functionName;
private final ReturnableType<T> returnableType;
public SqmIndexAggregateFunction(SqmPath<?> pluralDomainPath, String functionName) {
//noinspection unchecked
@ -27,6 +35,46 @@ public class SqmIndexAggregateFunction<T> extends AbstractSqmSpecificPluralPartP
(SqmPathSource<T>) ( (PluralPersistentAttribute<?, ?, ?>) pluralDomainPath.getReferencedPathSource() ).getIndexPathSource()
);
this.functionName = functionName;
switch ( functionName ) {
case "sum":
//noinspection unchecked
this.returnableType = (ReturnableType<T>) nodeBuilder().getSumReturnTypeResolver()
.resolveFunctionReturnType(
null,
(SqmToSqlAstConverter) null,
List.of( pluralDomainPath.get( CollectionPart.Nature.INDEX.getName() ) ),
nodeBuilder().getTypeConfiguration()
);
break;
case "avg":
//noinspection unchecked
this.returnableType = (ReturnableType<T>) nodeBuilder().getAvgReturnTypeResolver()
.resolveFunctionReturnType(
null,
(SqmToSqlAstConverter) null,
List.of( pluralDomainPath.get( CollectionPart.Nature.INDEX.getName() ) ),
nodeBuilder().getTypeConfiguration()
);
break;
default:
this.returnableType = null;
break;
}
}
@Override
public SqmExpressible<T> getExpressible() {
return returnableType == null ? super.getExpressible() : returnableType;
}
@Override
public JavaType<T> getJavaTypeDescriptor() {
return returnableType == null ? super.getJavaTypeDescriptor() : returnableType.getExpressibleJavaType();
}
@Override
public JavaType<T> getNodeJavaType() {
return returnableType == null ? super.getNodeJavaType() : returnableType.getExpressibleJavaType();
}
@Override

175
hibernate-core/src/main/java/org/hibernate/sql/results/internal/StandardRowReader.java
View File

@ -6,6 +6,7 @@
*/
package org.hibernate.sql.results.internal;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.List;
@ -41,6 +42,9 @@ public class StandardRowReader<T> implements RowReader<T> {
private final RowTransformer<T> rowTransformer;
private final Class<T> domainResultJavaType;
private final ComponentType componentType;
private final Class<?> resultElementClass;
private static final Logger LOGGER = LoadingLogger.LOGGER;
public StandardRowReader(
@ -76,6 +80,19 @@ public class StandardRowReader<T> implements RowReader<T> {
this.hasCollectionInitializers = hasCollectionInitializers;
this.rowTransformer = rowTransformer;
this.domainResultJavaType = domainResultJavaType;
if ( domainResultJavaType == null
|| domainResultJavaType == Object[].class
|| domainResultJavaType == Object.class
|| !domainResultJavaType.isArray()
|| resultAssemblers.length == 1
&& domainResultJavaType == resultAssemblers[0].getAssembledJavaType().getJavaTypeClass() ) {
this.resultElementClass = Object.class;
this.componentType = ComponentType.OBJECT;
}
else {
this.resultElementClass = domainResultJavaType.getComponentType();
this.componentType = ComponentType.determineComponentType( domainResultJavaType );
}
}
@Override
@ -84,16 +101,7 @@ public class StandardRowReader<T> implements RowReader<T> {
}
@Override
public Class<?> getResultJavaType() {
if ( resultAssemblers.length == 1 ) {
return resultAssemblers[0].getAssembledJavaType().getJavaTypeClass();
}
return Object[].class;
}
@Override
public List<JavaType<?>> getResultJavaTypes() {
public List<@Nullable JavaType<?>> getResultJavaTypes() {
List<JavaType<?>> javaTypes = new ArrayList<>( resultAssemblers.length );
for ( DomainResultAssembler resultAssembler : resultAssemblers ) {
javaTypes.add( resultAssembler.getAssembledJavaType() );
@ -128,7 +136,101 @@ public class StandardRowReader<T> implements RowReader<T> {
public T readRow(RowProcessingState rowProcessingState) {
coordinateInitializers( rowProcessingState );
final Object[] resultRow = new Object[ resultAssemblers.length ];
// The following is ugly, but unfortunately necessary to not hurt performance.
// This implementation was micro-benchmarked and discussed with Francesco Nigro,
// who hinted that using this style instead of the reflective Array.getLength(), Array.set()
// is easier for the JVM to optimize
switch ( componentType ) {
case BOOLEAN:
final boolean[] resultBooleanRow = new boolean[resultAssemblers.length];
for ( int i = 0; i < resultAssemblers.length; i++ ) {
final DomainResultAssembler assembler = resultAssemblers[i];
resultBooleanRow[i] = (boolean) assembler.assemble( rowProcessingState );
}
afterRow( rowProcessingState );
return (T) resultBooleanRow;
case BYTE:
final byte[] resultByteRow = new byte[resultAssemblers.length];
for ( int i = 0; i < resultAssemblers.length; i++ ) {
final DomainResultAssembler assembler = resultAssemblers[i];
resultByteRow[i] = (byte) assembler.assemble( rowProcessingState );
}
afterRow( rowProcessingState );
return (T) resultByteRow;
case CHAR:
final char[] resultCharRow = new char[resultAssemblers.length];
for ( int i = 0; i < resultAssemblers.length; i++ ) {
final DomainResultAssembler assembler = resultAssemblers[i];
resultCharRow[i] = (char) assembler.assemble( rowProcessingState );
}
afterRow( rowProcessingState );
return (T) resultCharRow;
case SHORT:
final short[] resultShortRow = new short[resultAssemblers.length];
for ( int i = 0; i < resultAssemblers.length; i++ ) {
final DomainResultAssembler assembler = resultAssemblers[i];
resultShortRow[i] = (short) assembler.assemble( rowProcessingState );
}
afterRow( rowProcessingState );
return (T) resultShortRow;
case INT:
final int[] resultIntRow = new int[resultAssemblers.length];
for ( int i = 0; i < resultAssemblers.length; i++ ) {
final DomainResultAssembler assembler = resultAssemblers[i];
resultIntRow[i] = (int) assembler.assemble( rowProcessingState );
}
afterRow( rowProcessingState );
return (T) resultIntRow;
case LONG:
final long[] resultLongRow = new long[resultAssemblers.length];
for ( int i = 0; i < resultAssemblers.length; i++ ) {
final DomainResultAssembler assembler = resultAssemblers[i];
resultLongRow[i] = (long) assembler.assemble( rowProcessingState );
}
afterRow( rowProcessingState );
return (T) resultLongRow;
case FLOAT:
final float[] resultFloatRow = new float[resultAssemblers.length];
for ( int i = 0; i < resultAssemblers.length; i++ ) {
final DomainResultAssembler assembler = resultAssemblers[i];
resultFloatRow[i] = (float) assembler.assemble( rowProcessingState );
}
afterRow( rowProcessingState );
return (T) resultFloatRow;
case DOUBLE:
final double[] resultDoubleRow = new double[resultAssemblers.length];
for ( int i = 0; i < resultAssemblers.length; i++ ) {
final DomainResultAssembler assembler = resultAssemblers[i];
resultDoubleRow[i] = (double) assembler.assemble( rowProcessingState );
}
afterRow( rowProcessingState );
return (T) resultDoubleRow;
default:
final Object[] resultRow = (Object[]) Array.newInstance( resultElementClass, resultAssemblers.length );
for ( int i = 0; i < resultAssemblers.length; i++ ) {
final DomainResultAssembler assembler = resultAssemblers[i];
@ -139,6 +241,7 @@ public class StandardRowReader<T> implements RowReader<T> {
return rowTransformer.transformRow( resultRow );
}
}
private void afterRow(RowProcessingState rowProcessingState) {
finishUpRow();
@ -188,4 +291,54 @@ public class StandardRowReader<T> implements RowReader<T> {
}
}
enum ComponentType {
BOOLEAN(boolean.class),
BYTE(byte.class),
SHORT(short.class),
CHAR(char.class),
INT(int.class),
LONG(long.class),
FLOAT(float.class),
DOUBLE(double.class),
OBJECT(Object.class);
private final Class<?> componentType;
ComponentType(Class<?> componentType) {
this.componentType = componentType;
}
public static ComponentType determineComponentType(Class<?> resultType) {
if ( resultType == boolean[].class) {
return BOOLEAN;
}
else if ( resultType == byte[].class) {
return BYTE;
}
else if ( resultType == short[].class) {
return SHORT;
}
else if ( resultType == char[].class) {
return CHAR;
}
else if ( resultType == int[].class) {
return INT;
}
else if ( resultType == long[].class) {
return LONG;
}
else if ( resultType == float[].class) {
return FLOAT;
}
else if ( resultType == double[].class) {
return DOUBLE;
}
return OBJECT;
}
public Class<?> getComponentType() {
return componentType;
}
}
}

27
hibernate-core/src/main/java/org/hibernate/sql/results/spi/ListResultsConsumer.java
View File

@ -25,6 +25,8 @@ import org.hibernate.type.descriptor.java.spi.EntityJavaType;
import org.hibernate.type.descriptor.java.spi.JavaTypeRegistry;
import org.hibernate.type.spi.TypeConfiguration;
import org.checkerframework.checker.nullness.qual.Nullable;
/**
* ResultsConsumer for creating a List of results
*
@ -247,22 +249,37 @@ public class ListResultsConsumer<R> implements ResultsConsumer<List<R>, R> {
private JavaType<R> resolveDomainResultJavaType(
Class<R> domainResultResultJavaType,
List<JavaType<?>> resultJavaTypes,
List<@Nullable JavaType<?>> resultJavaTypes,
TypeConfiguration typeConfiguration) {
final JavaTypeRegistry javaTypeRegistry = typeConfiguration.getJavaTypeRegistry();
if ( domainResultResultJavaType != null ) {
return javaTypeRegistry.resolveDescriptor( domainResultResultJavaType );
}
if ( resultJavaTypes.size() == 1 ) {
final JavaType<R> resultJavaType = javaTypeRegistry.resolveDescriptor( domainResultResultJavaType );
// Could be that the user requested a more general type than the actual type,
// so resolve the most concrete type since this type is used to determine equality of objects
if ( resultJavaTypes.size() == 1 && isMoreConcrete( resultJavaType, resultJavaTypes.get( 0 ) ) ) {
//noinspection unchecked
return (JavaType<R>) resultJavaTypes.get( 0 );
}
return resultJavaType;
}
if ( resultJavaTypes.size() == 1 ) {
final JavaType<?> firstJavaType = resultJavaTypes.get( 0 );
if ( firstJavaType == null ) {
return javaTypeRegistry.resolveDescriptor( Object.class );
}
//noinspection unchecked
return (JavaType<R>) firstJavaType;
}
return javaTypeRegistry.resolveDescriptor( Object[].class );
}
private static boolean isMoreConcrete(JavaType<?> resultJavaType, @Nullable JavaType<?> javaType) {
return javaType != null && resultJavaType.getJavaTypeClass().isAssignableFrom( javaType.getJavaTypeClass() );
}
@Override
public boolean canResultsBeCached() {
return true;

11
hibernate-core/src/main/java/org/hibernate/sql/results/spi/RowReader.java
View File

@ -30,19 +30,10 @@ public interface RowReader<R> {
*/
Class<R> getDomainResultResultJavaType();
/**
* The row result Java type, before any transformations.
*
* @apiNote along with {@link #getResultJavaTypes()}, describes the "raw"
* values as determined from the {@link org.hibernate.sql.results.graph.DomainResult}
* references associated with the JdbcValues being processed
*/
Class<?> getResultJavaType();
/**
* The individual JavaType for each DomainResult
*/
List<JavaType<?>> getResultJavaTypes();
List<@Nullable JavaType<?>> getResultJavaTypes();
int getInitializerCount();

2
hibernate-core/src/test/java/org/hibernate/orm/test/function/array/ArrayAggregateTest.java
View File

@ -141,7 +141,7 @@ public class ArrayAggregateTest {
@Test
public void testCompareAgainstArray(SessionFactoryScope scope) {
scope.inSession( em -> {
List<String[]> results = em.createQuery( "select 1 where array('abc','def',null) is not distinct from (select array_agg(e.theString) within group (order by e.theString asc nulls last) from EntityOfBasics e)", String[].class )
List<Integer> results = em.createQuery( "select 1 where array('abc','def',null) is not distinct from (select array_agg(e.theString) within group (order by e.theString asc nulls last) from EntityOfBasics e)", Integer.class )
.getResultList();
assertEquals( 1, results.size() );
} );

20
hibernate-core/src/test/java/org/hibernate/orm/test/inheritance/embeddable/EmbeddableInheritanceMappedSuperclassAdnGenericsTest.java → hibernate-core/src/test/java/org/hibernate/orm/test/inheritance/embeddable/EmbeddableInheritanceMappedSuperclassAndGenericsTest.java
View File

@ -28,15 +28,15 @@ import static org.assertj.core.api.Assertions.assertThat;
* @author Marco Belladelli
*/
@DomainModel( annotatedClasses = {
EmbeddableInheritanceMappedSuperclassAdnGenericsTest.AbstractSuperclass.class,
EmbeddableInheritanceMappedSuperclassAdnGenericsTest.Range.class,
EmbeddableInheritanceMappedSuperclassAdnGenericsTest.IntegerRange.class,
EmbeddableInheritanceMappedSuperclassAdnGenericsTest.ToleranceRange.class,
EmbeddableInheritanceMappedSuperclassAdnGenericsTest.TestEntity.class,
EmbeddableInheritanceMappedSuperclassAndGenericsTest.AbstractSuperclass.class,
EmbeddableInheritanceMappedSuperclassAndGenericsTest.Range.class,
EmbeddableInheritanceMappedSuperclassAndGenericsTest.IntegerRange.class,
EmbeddableInheritanceMappedSuperclassAndGenericsTest.ToleranceRange.class,
EmbeddableInheritanceMappedSuperclassAndGenericsTest.TestEntity.class,
} )
@SessionFactory
@Jira( "https://hibernate.atlassian.net/browse/HHH-18172" )
public class EmbeddableInheritanceMappedSuperclassAdnGenericsTest {
public class EmbeddableInheritanceMappedSuperclassAndGenericsTest {
@Test
public void testFind(SessionFactoryScope scope) {
scope.inTransaction( session -> {
@ -62,9 +62,9 @@ public class EmbeddableInheritanceMappedSuperclassAdnGenericsTest {
@Test
public void testQueryEmbeddable(SessionFactoryScope scope) {
scope.inTransaction( session -> {
final IntegerRange result = session.createQuery(
final Range<?> result = session.createQuery(
"select range from TestEntity where id = 1",
IntegerRange.class
Range.class
).getSingleResult();
assertThat( result.getName() ).isEqualTo( "tolerance_range" );
assertThat( result ).isExactlyInstanceOf( ToleranceRange.class );
@ -74,9 +74,9 @@ public class EmbeddableInheritanceMappedSuperclassAdnGenericsTest {
@Test
public void testQueryJoinedEmbeddable(SessionFactoryScope scope) {
scope.inTransaction( session -> {
final IntegerRange result = session.createQuery(
final Range<?> result = session.createQuery(
"select r from TestEntity t join t.range r where id = 2",
IntegerRange.class
Range.class
).getSingleResult();
assertThat( result.getName() ).isEqualTo( "integer_range" );
assertThat( result ).isExactlyInstanceOf( IntegerRange.class );

49
hibernate-core/src/test/java/org/hibernate/orm/test/jpa/criteria/MultiSelectResultTypeTest.java
View File

@ -2,6 +2,8 @@ package org.hibernate.orm.test.jpa.criteria;
import java.util.List;
import org.hibernate.query.QueryTypeMismatchException;
import org.hibernate.testing.orm.junit.EntityManagerFactoryScope;
import org.hibernate.testing.orm.junit.JiraKey;
import org.hibernate.testing.orm.junit.Jpa;
@ -15,6 +17,7 @@ import jakarta.persistence.criteria.CriteriaQuery;
import jakarta.persistence.criteria.Root;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import static org.assertj.core.api.AssertionsForClassTypes.fail;
@Jpa(
annotatedClasses = {
@ -45,6 +48,7 @@ public class MultiSelectResultTypeTest {
List<Integer[]> idPairs = entityManager.createQuery( q ).getResultList();
assertThat( idPairs.size() ).isEqualTo( 1 );
Integer[] ids = idPairs.get( 0 );
assertThat( ids[0] ).isEqualTo( 1 );
}
);
}
@ -60,6 +64,7 @@ public class MultiSelectResultTypeTest {
List<int[]> idPairs = entityManager.createQuery( q ).getResultList();
assertThat( idPairs.size() ).isEqualTo( 1 );
int[] ids = idPairs.get( 0 );
assertThat( ids[0] ).isEqualTo( 1 );
}
);
}
@ -75,8 +80,8 @@ public class MultiSelectResultTypeTest {
List<Object[]> values = entityManager.createQuery( q ).getResultList();
assertThat( values.size() ).isEqualTo( 1 );
Object[] value = values.get( 0 );
Integer id = (Integer) value[0];
String name = (String) value[1];
assertThat( value[0] ).isEqualTo( 1 );
assertThat( value[1] ).isEqualTo( "a" );
}
);
}
@ -91,7 +96,45 @@ public class MultiSelectResultTypeTest {
q.select( r.get( "id" ) );
List<Integer> idPairs = entityManager.createQuery( q ).getResultList();
assertThat( idPairs.size() ).isEqualTo( 1 );
Integer id = idPairs.get( 0 );
assertThat( idPairs.get( 0 ) ).isEqualTo( 1 );
}
);
}
@Test
public void testValidateSelectItemAgainstArrayComponentType(EntityManagerFactoryScope scope) {
scope.inTransaction(
entityManager -> {
CriteriaBuilder cb = entityManager.getCriteriaBuilder();
CriteriaQuery<String[]> q = cb.createQuery( String[].class );
Root<TestEntity> r = q.from( TestEntity.class );
q.select( r.get( "id" ) );
try {
entityManager.createQuery( q );
fail( "Should fail with a type validation error" );
}
catch (QueryTypeMismatchException ex) {
assertThat( ex.getMessage() ).contains( String[].class.getName(), Integer.class.getName() );
}
}
);
}
@Test
public void testValidateSelectItemAgainstArrayComponentType2(EntityManagerFactoryScope scope) {
scope.inTransaction(
entityManager -> {
CriteriaBuilder cb = entityManager.getCriteriaBuilder();
CriteriaQuery<String[]> q = cb.createQuery( String[].class );
Root<TestEntity> r = q.from( TestEntity.class );
q.multiselect( r.get( "name" ), r.get( "id" ) );
try {
entityManager.createQuery( q );
fail( "Should fail with a type validation error" );
}
catch (QueryTypeMismatchException ex) {
assertThat( ex.getMessage() ).contains( String.class.getName(), Integer.class.getName() );
}
}
);
}

24
hibernate-core/src/test/java/org/hibernate/orm/test/query/TemporalParameterPlusDurationTest.java
View File

@ -21,54 +21,54 @@ public class TemporalParameterPlusDurationTest {
@Test
void timestampVsTimestampParameterPlusDuration(SessionFactoryScope scope) {
scope.inSession( session -> {
session.createQuery( "select count(*) from SimpleEntity where inst > :i + 1 second + 2 second", SimpleEntity.class )
session.createQuery( "from SimpleEntity where inst > :i + 1 second + 2 second", SimpleEntity.class )
.setParameter( "i", Instant.now() )
.getResultCount();
.getResultList();
} );
}
@Test
void timestampParameterPlusDurationVsTimestamp(SessionFactoryScope scope) {
scope.inSession( session -> {
session.createQuery( "select count(*) from SimpleEntity where :i + 1 second + 2 second > inst", SimpleEntity.class )
session.createQuery( "from SimpleEntity where :i + 1 second + 2 second > inst", SimpleEntity.class )
.setParameter( "i", Instant.now() )
.getResultCount();
.getResultList();
} );
}
@Test
void dateVsDateParameterPlusDuration(SessionFactoryScope scope) {
scope.inSession( session -> {
session.createQuery( "select count(*) from SimpleEntity where ldate > :i + 3 day + 2 day", SimpleEntity.class )
session.createQuery( "from SimpleEntity where ldate > :i + 3 day + 2 day", SimpleEntity.class )
.setParameter( "i", LocalDate.now() )
.getResultCount();
.getResultList();
} );
}
@Test
void dateParameterPlusDurationVsDate(SessionFactoryScope scope) {
scope.inSession( session -> {
session.createQuery( "select count(*) from SimpleEntity where :i + 3 day + 2 day > ldate", SimpleEntity.class )
session.createQuery( "from SimpleEntity where :i + 3 day + 2 day > ldate", SimpleEntity.class )
.setParameter( "i", LocalDate.now() )
.getResultCount();
.getResultList();
} );
}
@Test
void durationVsDurationParameterPlusDuration(SessionFactoryScope scope) {
scope.inSession( session -> {
session.createQuery( "select count(*) from SimpleEntity where dur > :i + 1 second", Number.class )
session.createQuery( "from SimpleEntity where dur > :i + 1 second", SimpleEntity.class )
.setParameter( "i", Duration.ofMinutes( 1 ) )
.getResultCount();
.getResultList();
} );
}
@Test
void durationParameterVsDurationPlusDuration(SessionFactoryScope scope) {
scope.inSession( session -> {
session.createQuery( "select count(*) from SimpleEntity where :i + 1 second > dur", Number.class )
session.createQuery( "from SimpleEntity where :i + 1 second > dur", SimpleEntity.class )
.setParameter( "i", Duration.ofMinutes( 1 ) )
.getResultCount();
.getResultList();
} );
}

2
hibernate-core/src/test/java/org/hibernate/orm/test/query/hql/FunctionTests.java
View File

@ -2105,7 +2105,7 @@ public class FunctionTests {
@RequiresDialectFeature(feature = DialectFeatureChecks.SupportsFormat.class, comment = "We extract the offset with a format function")
public void testExtractFunctionTimeZoneOffset(SessionFactoryScope scope) {
scope.inTransaction(
session -> session.createQuery( "select extract(offset from e.theZonedDateTime) from EntityOfBasics e", Integer.class)
session -> session.createQuery( "select extract(offset from e.theZonedDateTime) from EntityOfBasics e", ZoneOffset.class)
.list()
);
}