com.hazelcast.jet.sql.impl.validate.operators.misc.HazelcastUnionOperator Maven / Gradle / Ivy
/*
* Copyright 2021 Hazelcast Inc.
*
* Licensed under the Hazelcast Community License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://hazelcast.com/hazelcast-community-license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.jet.sql.impl.validate.operators.misc;
import com.hazelcast.jet.sql.impl.validate.HazelcastCallBinding;
import com.hazelcast.jet.sql.impl.validate.operators.common.HazelcastSetOperator;
import com.hazelcast.org.apache.calcite.sql.SqlKind;
import com.hazelcast.org.apache.calcite.sql.fun.SqlStdOperatorTable;
import java.util.Objects;
public class HazelcastUnionOperator extends HazelcastSetOperator {
public static final HazelcastUnionOperator UNION = new HazelcastUnionOperator("UNION", false);
public static final HazelcastUnionOperator UNION_ALL = new HazelcastUnionOperator("UNION ALL", true);
protected HazelcastUnionOperator(String name, boolean all) {
super(name,
SqlKind.UNION,
SqlStdOperatorTable.UNION.getLeftPrec(),
all
);
}
@Override
protected boolean checkOperandTypes(HazelcastCallBinding callBinding, boolean throwOnFailure) {
return Objects.requireNonNull(getOperandTypeChecker()).checkOperandTypes(callBinding, throwOnFailure);
}
}