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https://issues.apache.org/jira/browse/HIVE-24325?focusedWorklogId=506347&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-506347
]
ASF GitHub Bot logged work on HIVE-24325:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 29/Oct/20 19:02
Start Date: 29/Oct/20 19:02
Worklog Time Spent: 10m
Work Description: jcamachor commented on pull request #1622:
URL: https://github.com/apache/hive/pull/1622#issuecomment-718958588
@kasakrisz , I have changed the approach slightly (I think new code is
better). Could you take another quick look? Thanks
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Issue Time Tracking
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Worklog Id: (was: 506347)
Time Spent: 0.5h (was: 20m)
> Cardinality preserving join optimization fails when column is backtracked to
> a constant
> ---------------------------------------------------------------------------------------
>
> Key: HIVE-24325
> URL: https://issues.apache.org/jira/browse/HIVE-24325
> Project: Hive
> Issue Type: Bug
> Components: CBO
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> This error happens when one of the columns that is used in the output
> backtracks to a constant. We end up without a mapping for the column, which
> leads to exception below.
> {code}
> org.apache.calcite.util.mapping.Mappings$NoElementException: source #8 has no
> target in mapping [size=9, sourceCount=23, targetCount=9, elements=[0:0, 1:1,
> 2:2, 3:3, 4:4, 9:5, 11:6, 12:7, 13:8]]
> at
> org.apache.calcite.util.mapping.Mappings$AbstractMapping.getTarget(Mappings.java:879)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.optimizer.calcite.rules.HiveCardinalityPreservingJoinOptimization.trim(HiveCardinalityPreservingJoinOptimization.java:228)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.optimizer.calcite.rules.HiveCardinalityPreservingJoinRule.trim(HiveCardinalityPreservingJoinRule.java:48)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.optimizer.calcite.rules.HiveFieldTrimmerRule.onMatch(HiveFieldTrimmerRule.java:70)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.calcite.plan.AbstractRelOptPlanner.fireRule(AbstractRelOptPlanner.java:319)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.calcite.plan.hep.HepPlanner.applyRule(HepPlanner.java:560)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.calcite.plan.hep.HepPlanner.applyRules(HepPlanner.java:419)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.calcite.plan.hep.HepPlanner.executeInstruction(HepPlanner.java:256)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.calcite.plan.hep.HepInstruction$RuleInstance.execute(HepInstruction.java:127)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.calcite.plan.hep.HepPlanner.executeProgram(HepPlanner.java:215)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.calcite.plan.hep.HepPlanner.findBestExp(HepPlanner.java:202)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner$CalcitePlannerAction.executeProgram(CalcitePlanner.java:2669)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner$CalcitePlannerAction.executeProgram(CalcitePlanner.java:2635)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner$CalcitePlannerAction.applyPostJoinOrderingTransform(CalcitePlanner.java:2547)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner$CalcitePlannerAction.apply(CalcitePlanner.java:1941)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner$CalcitePlannerAction.apply(CalcitePlanner.java:1809)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.calcite.tools.Frameworks.lambda$withPlanner$0(Frameworks.java:130)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.calcite.prepare.CalcitePrepareImpl.perform(CalcitePrepareImpl.java:915)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.calcite.tools.Frameworks.withPrepare(Frameworks.java:179)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.calcite.tools.Frameworks.withPlanner(Frameworks.java:125)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.logicalPlan(CalcitePlanner.java:1570)
> ~[hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.genOPTree(CalcitePlanner.java:549)
> [hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:12539)
> [hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:443)
> [hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:301)
> [hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:171)
> [hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:301)
> [hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at org.apache.hadoop.hive.ql.Compiler.analyze(Compiler.java:223)
> [hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at org.apache.hadoop.hive.ql.Compiler.compile(Compiler.java:104)
> [hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:469)
> [hive-exec-4.0.0-SNAPSHOT.jar:4.0.0-SNAPSHOT]
> ...
> {code}
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