com.hazelcast.jet.sql.impl.opt.logical.AggregateLogicalRel 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.opt.logical;
import com.hazelcast.org.apache.calcite.plan.RelOptCluster;
import com.hazelcast.org.apache.calcite.plan.RelTraitSet;
import com.hazelcast.org.apache.calcite.rel.RelNode;
import com.hazelcast.org.apache.calcite.rel.core.Aggregate;
import com.hazelcast.org.apache.calcite.rel.core.AggregateCall;
import com.hazelcast.org.apache.calcite.util.ImmutableBitSet;
import java.util.ArrayList;
import java.util.List;
public class AggregateLogicalRel extends Aggregate implements LogicalRel {
AggregateLogicalRel(
RelOptCluster cluster,
RelTraitSet traits,
RelNode child,
ImmutableBitSet groupSet,
List groupSets,
List aggCalls
) {
super(cluster, traits, new ArrayList<>(), child, groupSet, groupSets, aggCalls);
}
@Override
public final Aggregate copy(
RelTraitSet traitSet,
RelNode input,
ImmutableBitSet groupSet,
List groupSets,
List aggregateCalls
) {
return new AggregateLogicalRel(getCluster(), traitSet, input, groupSet, groupSets, aggregateCalls);
}
public final boolean hasCollation() {
return getAggCallList().stream().anyMatch(agg -> agg.getCollation().getFieldCollations().size() > 0);
}
}