/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.hadoop.hive.ql.optimizer.calcite.rules;
import org.apache.calcite.plan.RelOptRuleCall;
import org.apache.calcite.rel.core.Aggregate;
import org.apache.calcite.rel.core.Filter;
import org.apache.calcite.rel.core.RelFactories.FilterFactory;
import org.apache.calcite.rel.rules.FilterAggregateTransposeRule;
import org.apache.calcite.rex.RexNode;
import org.apache.hadoop.hive.ql.optimizer.calcite.HiveCalciteUtil;
public class HiveFilterAggregateTransposeRule extends FilterAggregateTransposeRule {
public HiveFilterAggregateTransposeRule(Class<? extends Filter> filterClass,
FilterFactory filterFactory, Class<? extends Aggregate> aggregateClass) {
super(filterClass, filterFactory, aggregateClass);
}
@Override
public boolean matches(RelOptRuleCall call) {
final Filter filterRel = call.rel(0);
RexNode condition = filterRel.getCondition();
if (!HiveCalciteUtil.isDeterministic(condition)) {
return false;
}
return super.matches(call);
}
}