HHH-4769 In HQL, function ROUND always returns an Integer, it truncate the decimal part of Double number.

git-svn-id: https://svn.jboss.org/repos/hibernate/core/trunk@18457 1b8cb986-b30d-0410-93ca-fae66ebed9b2
This commit is contained in:
Strong Liu 2010-01-08 18:38:17 +00:00
parent e44b5f197d
commit ee503cfbc6
4 changed files with 164 additions and 1 deletions

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@ -113,7 +113,7 @@ public class MySQLDialect extends Dialect {
registerFunction("ceiling", new StandardSQLFunction("ceiling", Hibernate.INTEGER) );
registerFunction("ceil", new StandardSQLFunction("ceil", Hibernate.INTEGER) );
registerFunction("floor", new StandardSQLFunction("floor", Hibernate.INTEGER) );
registerFunction("round", new StandardSQLFunction("round", Hibernate.INTEGER) );
registerFunction("round", new StandardSQLFunction("round") );
registerFunction("datediff", new StandardSQLFunction("datediff", Hibernate.INTEGER) );
registerFunction("timediff", new StandardSQLFunction("timediff", Hibernate.TIME) );

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@ -0,0 +1,75 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2009, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.dialect.function;
import java.math.BigDecimal;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.dialect.Dialect;
import org.hibernate.dialect.MySQLDialect;
import org.hibernate.junit.functional.FunctionalTestCase;
/**
*
* @author Strong Liu <stliu@redhat.com>
*
*/
public class MySQLRoundFunctionTest extends FunctionalTestCase {
public MySQLRoundFunctionTest( String string ) {
super( string );
}
public String[] getMappings() {
return new String[]{"dialect/function/Product.hbm.xml"};
}
public void testRoundFuntion(){
Product product = new Product();
product.setLength( 100 );
product.setPrice( new BigDecimal( 1.298 ) );
Session s=openSession();
Transaction tx=s.beginTransaction();
s.save( product );
tx.commit();
s.close();
s=openSession();
tx=s.beginTransaction();
Query q=s.createQuery( "select round(p.price,1) from Product p" );
Object o=q.uniqueResult();
assertEquals( BigDecimal.class , o.getClass() );
assertEquals( BigDecimal.valueOf( 1.3 ) , o );
tx.commit();
s.close();
}
@Override
public boolean appliesTo( Dialect dialect ) {
return dialect instanceof MySQLDialect;
}
}

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@ -0,0 +1,17 @@
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="org.hibernate.test.dialect.function">
<class name="Product" table="t_product">
<id name="id">
<generator class="native"/>
</id>
<property name="length" />
<property name="weight" />
<property name="price" />
</class>
</hibernate-mapping>

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@ -0,0 +1,71 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2009, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.dialect.function;
import java.math.BigDecimal;
/**
*
* @author Strong Liu <stliu@redhat.com>
*
*/
public class Product {
private Long id;
private int length;
private long weight;
private BigDecimal price;
public Long getId() {
return id;
}
public void setId( Long id ) {
this.id = id;
}
public int getLength() {
return length;
}
public void setLength( int length ) {
this.length = length;
}
public long getWeight() {
return weight;
}
public void setWeight( long weight ) {
this.weight = weight;
}
public BigDecimal getPrice() {
return price;
}
public void setPrice( BigDecimal price ) {
this.price = price;
}
}