//$Id $
/*
* 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.dialect;
import org.hibernate.Hibernate;
import org.hibernate.dialect.function.AnsiTrimEmulationFunction;
import org.hibernate.dialect.function.SQLFunctionTemplate;
/**
* An SQL dialect compatible with Sybase and MS SQL Server.
* @author Gavin King
*/
public class SybaseASE15Dialect extends AbstractTransactSQLDialect {
public SybaseASE15Dialect() {
super();
registerFunction( "second", new SQLFunctionTemplate(Hibernate.INTEGER, "datepart(second, ?1)") );
registerFunction( "minute", new SQLFunctionTemplate(Hibernate.INTEGER, "datepart(minute, ?1)") );
registerFunction( "hour", new SQLFunctionTemplate(Hibernate.INTEGER, "datepart(hour, ?1)") );
registerFunction( "extract", new SQLFunctionTemplate( Hibernate.INTEGER, "datepart(?1, ?3)" ) );
registerFunction( "mod", new SQLFunctionTemplate( Hibernate.INTEGER, "?1 % ?2" ) );
registerFunction( "bit_length", new SQLFunctionTemplate( Hibernate.INTEGER, "datalength(?1) * 8" ) );
registerFunction( "trim", new AnsiTrimEmulationFunction( AnsiTrimEmulationFunction.LTRIM, AnsiTrimEmulationFunction.RTRIM, "str_replace" ) );
}
// Overridden informational metadata ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
public boolean supportsCascadeDelete() {
return false;
}
/**
* By default, Sybase string comparisons are case-insensitive.<br>
* If the DB is configured to be case-sensitive, then the return value will be incorrect.
*/
public boolean areStringComparisonsCaseInsensitive() {
return true;
}
public boolean supportsExpectedLobUsagePattern() {
return false;
}
}