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[FLINK-34602][table] Migrate StreamPhysicalWindowJoinRule to java
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...g/apache/flink/table/planner/plan/rules/physical/stream/StreamPhysicalWindowJoinRule.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. | ||
*/ | ||
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package org.apache.flink.table.planner.plan.rules.physical.stream; | ||
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import org.apache.flink.table.planner.plan.logical.WindowAttachedWindowingStrategy; | ||
import org.apache.flink.table.planner.plan.nodes.FlinkConventions; | ||
import org.apache.flink.table.planner.plan.nodes.logical.FlinkLogicalJoin; | ||
import org.apache.flink.table.planner.plan.nodes.logical.FlinkLogicalRel; | ||
import org.apache.flink.table.planner.plan.nodes.physical.stream.StreamPhysicalWindowJoin; | ||
import org.apache.flink.table.planner.plan.trait.FlinkRelDistribution; | ||
import org.apache.flink.table.planner.plan.trait.RelWindowProperties; | ||
import org.apache.flink.table.planner.plan.utils.WindowJoinUtil; | ||
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import org.apache.calcite.plan.RelOptRule; | ||
import org.apache.calcite.plan.RelOptRuleCall; | ||
import org.apache.calcite.plan.RelRule; | ||
import org.apache.calcite.plan.RelTraitSet; | ||
import org.apache.calcite.rel.RelNode; | ||
import org.apache.calcite.rex.RexNode; | ||
import org.immutables.value.Value; | ||
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import scala.Tuple2; | ||
import scala.Tuple7; | ||
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/** Rule to convert a {@link FlinkLogicalJoin} into a {@link StreamPhysicalWindowJoin}. */ | ||
@Value.Enclosing | ||
public class StreamPhysicalWindowJoinRule | ||
extends RelRule<StreamPhysicalWindowJoinRule.StreamPhysicalWindowJoinRuleConfig> { | ||
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public static final StreamPhysicalWindowJoinRule INSTANCE = | ||
StreamPhysicalWindowJoinRuleConfig.DEFAULT.toRule(); | ||
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protected StreamPhysicalWindowJoinRule(StreamPhysicalWindowJoinRuleConfig config) { | ||
super(config); | ||
} | ||
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public boolean matches(RelOptRuleCall call) { | ||
FlinkLogicalJoin join = call.rel(0); | ||
return WindowJoinUtil.satisfyWindowJoin(join); | ||
} | ||
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private RelTraitSet toHashTraitByColumns(int[] columns, RelTraitSet inputTraitSet) { | ||
FlinkRelDistribution distribution = | ||
columns.length == 0 | ||
? FlinkRelDistribution.SINGLETON() | ||
: FlinkRelDistribution.hash(columns, true); | ||
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return inputTraitSet.replace(FlinkConventions.STREAM_PHYSICAL()).replace(distribution); | ||
} | ||
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private RelNode convertInput(RelNode input, int[] columns) { | ||
RelTraitSet requiredTraitSet = toHashTraitByColumns(columns, input.getTraitSet()); | ||
return RelOptRule.convert(input, requiredTraitSet); | ||
} | ||
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public void onMatch(RelOptRuleCall call) { | ||
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FlinkLogicalJoin join = call.rel(0); | ||
Tuple7<int[], int[], int[], int[], int[], int[], RexNode> tuple7 = | ||
WindowJoinUtil.excludeWindowStartEqualityAndEndEqualityFromWindowJoinCondition( | ||
join); | ||
int[] windowStartEqualityLeftKeys = tuple7._1(); | ||
int[] windowEndEqualityLeftKeys = tuple7._2(); | ||
int[] windowStartEqualityRightKeys = tuple7._3(); | ||
int[] windowEndEqualityRightKeys = tuple7._4(); | ||
int[] remainLeftKeys = tuple7._5(); | ||
int[] remainRightKeys = tuple7._6(); | ||
RexNode remainCondition = tuple7._7(); | ||
RelTraitSet providedTraitSet = | ||
join.getTraitSet().replace(FlinkConventions.STREAM_PHYSICAL()); | ||
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FlinkLogicalRel left = call.rel(1); | ||
FlinkLogicalRel right = call.rel(2); | ||
RelNode newLeft = convertInput(left, remainLeftKeys); | ||
RelNode newRight = convertInput(right, remainRightKeys); | ||
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Tuple2<RelWindowProperties, RelWindowProperties> tuple2 = | ||
WindowJoinUtil.getChildWindowProperties(join); | ||
RelWindowProperties leftWindowProperties = tuple2._1(); | ||
RelWindowProperties rightWindowProperties = tuple2._2(); | ||
// It's safe to directly get first element from windowStartEqualityLeftKeys because window | ||
// start equality is required in join condition for window join. | ||
WindowAttachedWindowingStrategy leftWindowing = | ||
new WindowAttachedWindowingStrategy( | ||
leftWindowProperties.getWindowSpec(), | ||
leftWindowProperties.getTimeAttributeType(), | ||
windowStartEqualityLeftKeys[0], | ||
windowEndEqualityLeftKeys[0]); | ||
WindowAttachedWindowingStrategy rightWindowing = | ||
new WindowAttachedWindowingStrategy( | ||
rightWindowProperties.getWindowSpec(), | ||
rightWindowProperties.getTimeAttributeType(), | ||
windowStartEqualityRightKeys[0], | ||
windowEndEqualityRightKeys[0]); | ||
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StreamPhysicalWindowJoin newWindowJoin = | ||
new StreamPhysicalWindowJoin( | ||
join.getCluster(), | ||
providedTraitSet, | ||
newLeft, | ||
newRight, | ||
join.getJoinType(), | ||
remainCondition, | ||
leftWindowing, | ||
rightWindowing); | ||
call.transformTo(newWindowJoin); | ||
} | ||
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/** Configuration for {@link StreamPhysicalWindowJoinRule}. */ | ||
@Value.Immutable(singleton = false) | ||
public interface StreamPhysicalWindowJoinRuleConfig extends RelRule.Config { | ||
StreamPhysicalWindowJoinRule.StreamPhysicalWindowJoinRuleConfig DEFAULT = | ||
ImmutableStreamPhysicalWindowJoinRule.StreamPhysicalWindowJoinRuleConfig.builder() | ||
.build() | ||
.withOperandSupplier( | ||
b0 -> | ||
b0.operand(FlinkLogicalJoin.class) | ||
.inputs( | ||
b1 -> | ||
b1.operand(FlinkLogicalRel.class) | ||
.anyInputs(), | ||
b2 -> | ||
b2.operand(FlinkLogicalRel.class) | ||
.anyInputs())) | ||
.withDescription("StreamPhysicalWindowJoinRule") | ||
.as(StreamPhysicalWindowJoinRuleConfig.class); | ||
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@Override | ||
default StreamPhysicalWindowJoinRule toRule() { | ||
return new StreamPhysicalWindowJoinRule(this); | ||
} | ||
} | ||
} |
110 changes: 0 additions & 110 deletions
110
.../apache/flink/table/planner/plan/rules/physical/stream/StreamPhysicalWindowJoinRule.scala
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