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Merge branch '3.6' of github.com:hibernate/hibernate-core into 3.6

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Strong Liu 2011-10-21 23:09:41 +08:00
parent da540c7b51 2ce3b06108
commit c42decf774
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hibernate-core/src/main/java/org/hibernate/dialect/SybaseASE157Dialect.java Normal file
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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, 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 java.util.Map;
import org.hibernate.dialect.function.AnsiTrimEmulationFunction;
import org.hibernate.dialect.function.NoArgSQLFunction;
import org.hibernate.dialect.function.SQLFunctionTemplate;
import org.hibernate.dialect.function.VarArgsSQLFunction;
import org.hibernate.type.StandardBasicTypes;
import org.hibernate.LockMode;
import org.hibernate.LockOptions;
import org.hibernate.sql.ForUpdateFragment;
/**
* An SQL dialect targeting Sybase Adaptive Server Enterprise (ASE) 15.7 and higher.
* <p/>
*
* @author Junyan Ren
*/
public class SybaseASE157Dialect extends SybaseASE15Dialect {
public SybaseASE157Dialect() {
super();
registerFunction( "create_locator", new SQLFunctionTemplate( StandardBasicTypes.BINARY, "create_locator(?1, ?2)" ) );
registerFunction( "locator_literal", new SQLFunctionTemplate( StandardBasicTypes.BINARY, "locator_literal(?1, ?2)" ) );
registerFunction( "locator_valid", new SQLFunctionTemplate( StandardBasicTypes.BOOLEAN, "locator_valid(?1)" ) );
registerFunction( "return_lob", new SQLFunctionTemplate( StandardBasicTypes.BINARY, "return_lob(?1, ?2)" ) );
registerFunction( "setdata", new SQLFunctionTemplate( StandardBasicTypes.BOOLEAN, "setdata(?1, ?2, ?3)" ) );
registerFunction( "charindex", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "charindex(?1, ?2, ?3)" ) );
}
// support Lob Locator
public boolean supportsExpectedLobUsagePattern() {
return true;
}
public boolean supportsLobValueChangePropogation() {
return false;
}
// support 'select ... for update [of columns]'
public boolean forUpdateOfColumns() {
return true;
}
public String getForUpdateString() {
return " for update";
}
public String getForUpdateString(String aliases) {
return getForUpdateString() + " of " + aliases;
}
public String appendLockHint(LockMode mode, String tableName) {
return tableName;
}
public String applyLocksToSql(String sql, LockOptions aliasedLockOptions, Map keyColumnNames) {
return sql + new ForUpdateFragment( this, aliasedLockOptions, keyColumnNames ).toFragmentString();
}
}