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/*
* 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.CallableStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import org.hibernate.dialect.function.NoArgSQLFunction;
import org.hibernate.dialect.function.NvlFunction;
import org.hibernate.dialect.function.StandardSQLFunction;
import org.hibernate.type.StandardBasicTypes;
/**
* An SQL dialect for Postgres Plus
*
* @author Jim Mlodgenski
*/
public class PostgresPlusDialect extends PostgreSQLDialect {
public PostgresPlusDialect() {
super();
registerFunction( "ltrim", new StandardSQLFunction( "ltrim" ) );
registerFunction( "rtrim", new StandardSQLFunction( "rtrim" ) );
registerFunction( "soundex", new StandardSQLFunction( "soundex" ) );
registerFunction( "sysdate", new NoArgSQLFunction( "sysdate", StandardBasicTypes.DATE, false ) );
registerFunction( "rowid", new NoArgSQLFunction( "rowid", StandardBasicTypes.LONG, false ) );
registerFunction( "rownum", new NoArgSQLFunction( "rownum", StandardBasicTypes.LONG, false ) );
registerFunction( "instr", new StandardSQLFunction( "instr", StandardBasicTypes.INTEGER ) );
registerFunction( "lpad", new StandardSQLFunction( "lpad", StandardBasicTypes.STRING ) );
registerFunction( "replace", new StandardSQLFunction( "replace", StandardBasicTypes.STRING ) );
registerFunction( "rpad", new StandardSQLFunction( "rpad", StandardBasicTypes.STRING ) );
registerFunction( "translate", new StandardSQLFunction( "translate", StandardBasicTypes.STRING ) );
registerFunction( "substring", new StandardSQLFunction( "substr", StandardBasicTypes.STRING ) );
registerFunction( "coalesce", new NvlFunction() );
registerFunction( "atan2", new StandardSQLFunction( "atan2", StandardBasicTypes.FLOAT ) );
registerFunction( "mod", new StandardSQLFunction( "mod", StandardBasicTypes.INTEGER ) );
registerFunction( "nvl", new StandardSQLFunction( "nvl" ) );
registerFunction( "nvl2", new StandardSQLFunction( "nvl2" ) );
registerFunction( "power", new StandardSQLFunction( "power", StandardBasicTypes.FLOAT ) );
registerFunction( "add_months", new StandardSQLFunction( "add_months", StandardBasicTypes.DATE ) );
registerFunction( "months_between", new StandardSQLFunction( "months_between", StandardBasicTypes.FLOAT ) );
registerFunction( "next_day", new StandardSQLFunction( "next_day", StandardBasicTypes.DATE ) );
}
public String getCurrentTimestampSelectString() {
return "select sysdate";
}
public String getCurrentTimestampSQLFunctionName() {
return "sysdate";
}
public int registerResultSetOutParameter(CallableStatement statement, int col) throws SQLException {
statement.registerOutParameter( col, Types.REF );
col++;
return col;
}
public ResultSet getResultSet(CallableStatement ps) throws SQLException {
ps.execute();
return ( ResultSet ) ps.getObject( 1 );
}
public String getSelectGUIDString() {
return "select uuid_generate_v1";
}
}
