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37 changes: 37 additions & 0 deletions
37
fe/fe-core/src/main/java/org/apache/doris/nereids/commonCTE/ConsumerRewriter.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,37 @@ | ||
| package org.apache.doris.nereids.commonCTE; | ||
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| import org.apache.doris.nereids.trees.expressions.CTEId; | ||
| import org.apache.doris.nereids.trees.expressions.Slot; | ||
| import org.apache.doris.nereids.trees.expressions.StatementScopeIdGenerator; | ||
| import org.apache.doris.nereids.trees.plans.Plan; | ||
| import org.apache.doris.nereids.trees.plans.logical.AbstractLogicalPlan; | ||
| import org.apache.doris.nereids.trees.plans.logical.LogicalCTEConsumer; | ||
| import org.apache.doris.nereids.trees.plans.logical.LogicalPlan; | ||
| import org.apache.doris.nereids.trees.plans.visitor.DefaultPlanRewriter; | ||
| import org.apache.doris.nereids.trees.plans.visitor.PlanVisitor; | ||
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| import com.google.common.collect.ImmutableMap; | ||
| import com.google.common.collect.ImmutableMultimap; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| public class ConsumerRewriter extends DefaultPlanRewriter<ConsumerRewriterContext> { | ||
| public static final ConsumerRewriter INSTANCE = new ConsumerRewriter(); | ||
| @Override | ||
| public Plan visit(Plan plan, ConsumerRewriterContext context) { | ||
| if (context.isTarget(plan)) { | ||
| context.producer.getOutput(); | ||
| plan.getOutput(); | ||
| ImmutableMap.Builder<Slot, Slot> cToPBuilder = ImmutableMap.builder(); | ||
| ImmutableMultimap.Builder<Slot, Slot> pToCBuilder = ImmutableMultimap.builder(); | ||
| for (int i = 0; i< context.producer.getOutput().size(); i++) { | ||
| cToPBuilder.put(plan.getOutput().get(i), context.producer.getOutput().get(i)); | ||
| pToCBuilder.put(context.producer.getOutput().get(i), plan.getOutput().get(i)); | ||
| } | ||
| return new LogicalCTEConsumer(StatementScopeIdGenerator.newRelationId(), context.cteId, | ||
| "comm_cte_" + context.cteId.asInt(), cToPBuilder.build(), pToCBuilder.build()); | ||
| } | ||
| return visitChildren(this, plan, context); | ||
| } | ||
| } |
22 changes: 22 additions & 0 deletions
22
fe/fe-core/src/main/java/org/apache/doris/nereids/commonCTE/ConsumerRewriterContext.java
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| @@ -0,0 +1,22 @@ | ||
| package org.apache.doris.nereids.commonCTE; | ||
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| import org.apache.doris.nereids.trees.expressions.CTEId; | ||
| import org.apache.doris.nereids.trees.plans.Plan; | ||
| import org.apache.doris.nereids.trees.plans.logical.AbstractLogicalPlan; | ||
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| import java.util.List; | ||
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| public class ConsumerRewriterContext { | ||
| private final List<Plan> targets; | ||
| public Plan producer; | ||
| public final CTEId cteId; | ||
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| public ConsumerRewriterContext(List<Plan> targets, Plan producer, CTEId cteId) { | ||
| this.targets = targets; | ||
| this.producer = producer; | ||
| this.cteId = cteId; | ||
| } | ||
| public boolean isTarget(Plan plan) { | ||
| return targets.contains(plan); | ||
| } | ||
| } |
97 changes: 83 additions & 14 deletions
97
fe/fe-core/src/main/java/org/apache/doris/nereids/commonCTE/CteExtractor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| -- This file is automatically generated. You should know what you did if you want to edit this | ||
| -- !1 -- | ||
| LogicalResultSink[168] ( outputExprs=[a#34] ) | ||
| +--LogicalAggregate[166] ( groupByExpr=[a#34], outputExpr=[a#34], hasRepeat=false ) | ||
| +--LogicalUnion ( qualifier=ALL, outputs=[a#34], regularChildrenOutputs=[[a#32], [b#33]], constantExprsList=[], hasPushedFilter=false ) | ||
| |--LogicalAggregate[157] ( groupByExpr=[], outputExpr=[count(*) AS `a`#32], hasRepeat=false ) | ||
| | +--LogicalProject[155] ( distinct=false, projects=[1 AS `1`#41] ) | ||
| | +--LogicalOlapScan[129] ( qualified=internal.regression_test_query_p0_common_cte.lineitem, indexName=<index_not_selected>, selectedIndexId=1596500, preAgg=ON ) | ||
| +--LogicalAggregate[160] ( groupByExpr=[], outputExpr=[count(*) AS `b`#33], hasRepeat=false ) | ||
| +--LogicalProject[158] ( distinct=false, projects=[1 AS `1`#42] ) | ||
| +--LogicalOlapScan[132] ( qualified=internal.regression_test_query_p0_common_cte.lineitem, indexName=<index_not_selected>, selectedIndexId=1596500, preAgg=ON ) | ||
| common cte info | ||
| SPJG [1596499] | ||
| 155 129 132 158 | ||
| SPJG AGG [1596499] | ||
| 157 160 | ||
|
|
25 changes: 25 additions & 0 deletions
25
regression-test/suites/query_p0/common_cte/common_cte.groovy
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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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| suite("common_cte") { | ||
| qt_1 " explain rewritten plan select * from (select count() a from lineitem union all select count() b from lineitem) T" | ||
| } | ||
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| set enable_common_cte=false; | ||
| explain physical plan | ||
| with x as (select count() a from lineitem) | ||
| select * from (select * from x union all select * from x) T; |
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