org.hibernate.dialect.SybaseDialect Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, 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.dialect;
import java.sql.Types;
import org.hibernate.type.descriptor.sql.BlobTypeDescriptor;
import org.hibernate.type.descriptor.sql.ClobTypeDescriptor;
import org.hibernate.type.descriptor.sql.SqlTypeDescriptor;
/**
* All Sybase dialects share an IN list size limit.
*
* @author Brett Meyer
*/
public class SybaseDialect extends AbstractTransactSQLDialect {
private static final int PARAM_LIST_SIZE_LIMIT = 250000;
/* (non-Javadoc)
* @see org.hibernate.dialect.Dialect#getInExpressionCountLimit()
*/
@Override
public int getInExpressionCountLimit() {
return PARAM_LIST_SIZE_LIMIT;
}
@Override
protected SqlTypeDescriptor getSqlTypeDescriptorOverride(int sqlCode) {
switch (sqlCode) {
case Types.BLOB:
return BlobTypeDescriptor.PRIMITIVE_ARRAY_BINDING;
case Types.CLOB:
// Some Sybase drivers cannot support getClob. See HHH-7889
return ClobTypeDescriptor.STREAM_BINDING_EXTRACTING;
default:
return super.getSqlTypeDescriptorOverride( sqlCode );
}
}
@Override
public String getNullColumnString() {
return " null";
}
}