/*
* Copyright 2014 - 2017 Blazebit.
*
* 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.blazebit.persistence.impl.function.datediff.month;
import com.blazebit.persistence.spi.FunctionRenderContext;
/**
*
* @author Christian Beikov
* @since 1.0
*/
public class DB2MonthDiffFunction extends MonthDiffFunction {
public DB2MonthDiffFunction() {
// NOTE: we need lateral, otherwise the alias will be lost in the subquery
super("(select months_between(cast(t2 as timestamp), cast(t1 as timestamp)) from lateral(values (?1,?2)) as temp(t1,t2))");
}
@Override
protected void renderDiff(FunctionRenderContext context) {
renderer.start(context).addArgument(0).addArgument(1).build();
}
}