com.hazelcast.sql.impl.calcite.opt.QueryPlanner Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2021, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.sql.impl.calcite.opt;
import com.hazelcast.com.google.common.collect.ImmutableList;
import com.hazelcast.org.apache.calcite.plan.RelTraitSet;
import com.hazelcast.org.apache.calcite.plan.volcano.VolcanoPlanner;
import com.hazelcast.org.apache.calcite.rel.RelNode;
import com.hazelcast.org.apache.calcite.tools.Program;
import com.hazelcast.org.apache.calcite.tools.Programs;
import com.hazelcast.org.apache.calcite.tools.RuleSet;
/**
* Performs query planning.
*/
public class QueryPlanner {
private final VolcanoPlanner planner;
public QueryPlanner(VolcanoPlanner planner) {
this.planner = planner;
}
public RelNode optimize(RelNode node, RuleSet rules, RelTraitSet traitSet) {
Program program = Programs.of(rules);
return program.run(
planner,
node,
traitSet,
ImmutableList.of(),
ImmutableList.of()
);
}
}