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/*
* 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 io.trino.operator;
import io.trino.operator.join.JoinBridgeManager;
import io.trino.operator.join.JoinProbe.JoinProbeFactory;
import io.trino.operator.join.LookupJoinOperatorFactory;
import io.trino.operator.join.LookupSourceFactory;
import io.trino.operator.join.unspilled.JoinProbe;
import io.trino.operator.join.unspilled.PartitionedLookupSourceFactory;
import io.trino.spi.type.Type;
import io.trino.spi.type.TypeOperators;
import io.trino.spiller.PartitioningSpillerFactory;
import io.trino.sql.planner.plan.PlanNodeId;
import java.util.List;
import java.util.Optional;
import java.util.OptionalInt;
import java.util.stream.IntStream;
import static com.google.common.collect.ImmutableList.toImmutableList;
public class OperatorFactories
{
private OperatorFactories() {}
public static OperatorFactory join(
JoinOperatorType joinType,
int operatorId,
PlanNodeId planNodeId,
JoinBridgeManager lookupSourceFactory,
boolean hasFilter,
List probeTypes,
List probeJoinChannel,
OptionalInt probeHashChannel,
Optional> probeOutputChannelsOptional,
TypeOperators typeOperators)
{
List probeOutputChannels = probeOutputChannelsOptional.orElseGet(() -> rangeList(probeTypes.size()));
List probeOutputChannelTypes = probeOutputChannels.stream()
.map(probeTypes::get)
.collect(toImmutableList());
return new io.trino.operator.join.unspilled.LookupJoinOperatorFactory(
operatorId,
planNodeId,
lookupSourceFactory,
probeTypes,
probeOutputChannelTypes,
lookupSourceFactory.getBuildOutputTypes(),
joinType,
new JoinProbe.JoinProbeFactory(probeOutputChannels, probeJoinChannel, probeHashChannel, hasFilter),
typeOperators,
probeJoinChannel,
probeHashChannel);
}
public static OperatorFactory spillingJoin(
JoinOperatorType joinType,
int operatorId,
PlanNodeId planNodeId,
JoinBridgeManager lookupSourceFactory,
boolean hasFilter,
List probeTypes,
List probeJoinChannel,
OptionalInt probeHashChannel,
Optional> probeOutputChannelsOptional,
OptionalInt totalOperatorsCount,
PartitioningSpillerFactory partitioningSpillerFactory,
TypeOperators typeOperators)
{
List probeOutputChannels = probeOutputChannelsOptional.orElseGet(() -> rangeList(probeTypes.size()));
List probeOutputChannelTypes = probeOutputChannels.stream()
.map(probeTypes::get)
.collect(toImmutableList());
return new LookupJoinOperatorFactory(
operatorId,
planNodeId,
lookupSourceFactory,
probeTypes,
probeOutputChannelTypes,
lookupSourceFactory.getBuildOutputTypes(),
joinType,
new JoinProbeFactory(probeOutputChannels.stream().mapToInt(i -> i).toArray(), probeJoinChannel, probeHashChannel),
typeOperators,
totalOperatorsCount,
probeJoinChannel,
probeHashChannel,
partitioningSpillerFactory);
}
private static List rangeList(int endExclusive)
{
return IntStream.range(0, endExclusive)
.boxed()
.collect(toImmutableList());
}
}
