com.querydsl.sql.mysql.MySQLReplaceClause Maven / Gradle / Ivy
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/*
* Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.querydsl.sql.mysql;
import java.sql.Connection;
import com.querydsl.core.QueryFlag.Position;
import com.querydsl.sql.Configuration;
import com.querydsl.sql.RelationalPath;
import com.querydsl.sql.SQLTemplates;
import com.querydsl.sql.dml.SQLInsertClause;
/**
* {@code MySQLReplaceClause} is a REPLACE INTO clause
*
* REPLACE works exactly like INSERT, except that if an old row in the table has the same value
* as a new row for a PRIMARY KEY or a UNIQUE index, the old row is deleted before the new row is inserted.
*
* @author tiwe
*
*/
public class MySQLReplaceClause extends SQLInsertClause {
protected static final String REPLACE_INTO = "replace into ";
public MySQLReplaceClause(Connection connection, SQLTemplates templates, RelationalPath entity) {
super(connection, templates, entity);
addFlag(Position.START_OVERRIDE, REPLACE_INTO);
}
public MySQLReplaceClause(Connection connection, Configuration configuration, RelationalPath entity) {
super(connection, configuration, entity);
addFlag(Position.START_OVERRIDE, REPLACE_INTO);
}
}