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IgniteColocatedSortAggregate.java
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IgniteColocatedSortAggregate.java
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/*
* 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.ignite.internal.sql.engine.rel.agg;
import java.util.List;
import java.util.Objects;
import org.apache.calcite.plan.RelOptCluster;
import org.apache.calcite.plan.RelOptCost;
import org.apache.calcite.plan.RelOptPlanner;
import org.apache.calcite.plan.RelTraitSet;
import org.apache.calcite.rel.RelCollation;
import org.apache.calcite.rel.RelInput;
import org.apache.calcite.rel.RelNode;
import org.apache.calcite.rel.RelWriter;
import org.apache.calcite.rel.core.Aggregate;
import org.apache.calcite.rel.core.AggregateCall;
import org.apache.calcite.rel.metadata.RelMetadataQuery;
import org.apache.calcite.util.ImmutableBitSet;
import org.apache.ignite.internal.sql.engine.rel.IgniteRel;
import org.apache.ignite.internal.sql.engine.rel.IgniteRelVisitor;
import org.apache.ignite.internal.sql.engine.trait.TraitUtils;
/**
* IgniteSingleSortAggregate.
* TODO Documentation https://issues.apache.org/jira/browse/IGNITE-15859
*/
public class IgniteColocatedSortAggregate extends IgniteColocatedAggregateBase implements IgniteSortAggregateBase {
/** Collation. */
private final RelCollation collation;
/**
* Constructor.
* TODO Documentation https://issues.apache.org/jira/browse/IGNITE-15859
*/
public IgniteColocatedSortAggregate(
RelOptCluster cluster,
RelTraitSet traitSet,
RelNode input,
ImmutableBitSet groupSet,
List<ImmutableBitSet> groupSets,
List<AggregateCall> aggCalls
) {
super(cluster, traitSet, input, groupSet, groupSets, aggCalls);
collation = TraitUtils.collation(traitSet);
}
/**
* Constructor used for deserialization.
*
* @param input Serialized representation.
*/
public IgniteColocatedSortAggregate(RelInput input) {
super(input);
collation = input.getCollation();
assert Objects.nonNull(collation);
}
/** {@inheritDoc} */
@Override
public Aggregate copy(RelTraitSet traitSet, RelNode input, ImmutableBitSet groupSet,
List<ImmutableBitSet> groupSets, List<AggregateCall> aggCalls) {
return new IgniteColocatedSortAggregate(getCluster(), traitSet, input, groupSet, groupSets, aggCalls);
}
/** {@inheritDoc} */
@Override
public IgniteRel clone(RelOptCluster cluster, List<IgniteRel> inputs) {
return new IgniteColocatedSortAggregate(cluster, getTraitSet().replace(collation), sole(inputs),
getGroupSet(), getGroupSets(), getAggCallList());
}
/** {@inheritDoc} */
@Override
public <T> T accept(IgniteRelVisitor<T> visitor) {
return visitor.visit(this);
}
/** {@inheritDoc} */
@Override
public RelWriter explainTerms(RelWriter pw) {
return super.explainTerms(pw).item("collation", collation);
}
/** {@inheritDoc} */
@Override
public RelCollation collation() {
assert collation.equals(super.collation());
return collation;
}
/** {@inheritDoc} */
@Override
public RelOptCost computeSelfCost(RelOptPlanner planner, RelMetadataQuery mq) {
return computeSelfCostSort(planner, mq);
}
}