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HHH-7165 - count() query on classes using EmbeddedId should not use id column tuple on Dialects which dont support non-distinct tuple counts

This commit is contained in:
Steve Ebersole 2012-03-14 12:04:40 -05:00
parent 2c85cbefa3
commit e532dc5e7d
4 changed files with 167 additions and 27 deletions
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20
hibernate-core/src/main/java/org/hibernate/hql/internal/ast/tree/IdentNode.java
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@ -31,6 +31,7 @@ import antlr.collections.AST;
import org.hibernate.QueryException;
import org.hibernate.dialect.function.SQLFunction;
import org.hibernate.hql.internal.antlr.HqlSqlTokenTypes;
import org.hibernate.hql.internal.antlr.SqlTokenTypes;
import org.hibernate.hql.internal.ast.util.ColumnHelper;
import org.hibernate.internal.util.StringHelper;
@ -155,19 +156,28 @@ public class IdentNode extends FromReferenceNode implements SelectExpression {
setFromElement( element );
String[] columnExpressions = element.getIdentityColumns();
final boolean isInNonDistinctCount = getWalker().isInCount() && ! getWalker().isInCountDistinct();
final boolean isCompositePk = columnExpressions.length > 1;
if ( isCompositePk
&& isInNonDistinctCount
&& ! getWalker().getSessionFactoryHelper().getFactory().getDialect().supportsTupleCounts() ) {
final boolean isCompositeValue = columnExpressions.length > 1;
if ( isCompositeValue ) {
if ( isInNonDistinctCount && ! getWalker().getSessionFactoryHelper().getFactory().getDialect().supportsTupleCounts() ) {
setText( columnExpressions[0] );
}
else {
String joinedFragment = StringHelper.join( ", ", columnExpressions );
if ( ! getWalker().isInCount() ) {
// avoid wrapping in parenthesis (explicit tuple treatment) if possible due to varied support for
// tuple syntax across databases..
final boolean shouldSkipWrappingInParenthesis =
getWalker().isInCount()
|| getWalker().getCurrentTopLevelClauseType() == HqlSqlTokenTypes.ORDER
|| getWalker().getCurrentTopLevelClauseType() == HqlSqlTokenTypes.GROUP;
if ( ! shouldSkipWrappingInParenthesis ) {
joinedFragment = "(" + joinedFragment + ")";
}
setText( joinedFragment );
}
}
else {
setText( columnExpressions[0] );
}
return true;
}
return false;

33
hibernate-entitymanager/src/matrix/java/org/hibernate/ejb/test/query/ComponentJoinsTest.java → hibernate-core/src/matrix/java/org/hibernate/test/component/basic2/ComponentJoinsTest.java
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@ -21,41 +21,40 @@
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA\
*/
package org.hibernate.ejb.test.query;
package org.hibernate.test.component.basic2;
import javax.persistence.EntityManager;
import org.hibernate.ejb.criteria.components.Client;
import org.hibernate.ejb.test.BaseEntityManagerFunctionalTestCase;
import org.hibernate.Session;
import org.junit.Test;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
/**
* Tests related to specifying joins on components (embedded values).
*
* @author Steve Ebersole
*/
public class ComponentJoinsTest extends BaseEntityManagerFunctionalTestCase {
public class ComponentJoinsTest extends BaseCoreFunctionalTestCase {
@Override
public Class[] getAnnotatedClasses() {
return new Class[] { Client.class };
return new Class[] { Person.class };
}
@Test
public void testComponentJoins() {
// Just checking proper query construction and syntax checking via database query parser...
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
Session session = openSession();
session.beginTransaction();
// use it in WHERE
em.createQuery( "select c from Client c join c.name as n where n.lastName like '%'" ).getResultList();
session.createQuery( "select p from Person p join p.name as n where n.lastName like '%'" ).list();
// use it in SELECT
em.createQuery( "select n.lastName from Client c join c.name as n" ).getResultList();
em.createQuery( "select n from Client c join c.name as n" ).getResultList();
session.createQuery( "select n.lastName from Person p join p.name as n" ).list();
session.createQuery( "select n from Person p join p.name as n" ).list();
// use it in ORDER BY
em.createQuery( "select n from Client c join c.name as n order by n.lastName" ).getResultList();
em.createQuery( "select n from Client c join c.name as n order by c" ).getResultList();
em.createQuery( "select n from Client c join c.name as n order by n" ).getResultList();
em.getTransaction().commit();
em.close();
session.createQuery( "select n from Person p join p.name as n order by n.lastName" ).list();
session.createQuery( "select n from Person p join p.name as n order by p" ).list();
session.createQuery( "select n from Person p join p.name as n order by n" ).list();
session.getTransaction().commit();
session.close();
}
}

63
hibernate-core/src/matrix/java/org/hibernate/test/component/basic2/Name.java Normal file
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@ -0,0 +1,63 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2012, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.test.component.basic2;
import javax.persistence.Column;
import javax.persistence.Embeddable;
import java.io.Serializable;
/**
* @author Steve Ebersole
*/
@Embeddable
public class Name implements Serializable {
private String firstName;
private String lastName;
public Name() {
}
public Name(String firstName, String lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
@Column(name = "FIRST_NAME", nullable = false)
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
@Column(name = "LAST_NAME", nullable = false)
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
}

68
hibernate-core/src/matrix/java/org/hibernate/test/component/basic2/Person.java Normal file
View File

@ -0,0 +1,68 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2012, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.test.component.basic2;
import javax.persistence.Embedded;
import javax.persistence.Entity;
import javax.persistence.Id;
import java.io.Serializable;
/**
* @author Steve Ebersole
*/
@Entity
public class Person implements Serializable {
private int id;
private Name name;
public Person() {
}
public Person(int id, Name name) {
this.id = id;
this.name = name;
}
public Person(int id, String firstName, String lastName) {
this( id, new Name( firstName, lastName ) );
}
@Id
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
@Embedded
public Name getName() {
return name;
}
public void setName(Name name) {
this.name = name;
}
}