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https://issues.apache.org/jira/browse/HIVE-23963?focusedWorklogId=467771&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-467771
]
ASF GitHub Bot logged work on HIVE-23963:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 07/Aug/20 08:47
Start Date: 07/Aug/20 08:47
Worklog Time Spent: 10m
Work Description: kasakrisz commented on a change in pull request #1357:
URL: https://github.com/apache/hive/pull/1357#discussion_r466908433
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/HiveRelDistribution.java
##########
@@ -81,8 +84,16 @@ public RelDistribution apply(TargetMapping mapping) {
return this;
}
List<Integer> newKeys = new ArrayList<>(keys.size());
+
+ // Instead of using a HashMap for lookup
newKeys.add(mapping.getTargetOpt(key)); should be called but not all the
+ // mapping supports that. See HIVE-23963. Replace this when this is fixed
in calcite.
Review comment:
Created: https://issues.apache.org/jira/browse/CALCITE-4166
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Issue Time Tracking
-------------------
Worklog Id: (was: 467771)
Time Spent: 1h (was: 50m)
> UnsupportedOperationException in queries 74 and 84 while applying
> HiveCardinalityPreservingJoinRule
> ---------------------------------------------------------------------------------------------------
>
> Key: HIVE-23963
> URL: https://issues.apache.org/jira/browse/HIVE-23963
> Project: Hive
> Issue Type: Bug
> Components: CBO
> Reporter: Stamatis Zampetakis
> Assignee: Krisztian Kasa
> Priority: Major
> Labels: pull-request-available
> Attachments: cbo_query74_stacktrace.txt, cbo_query84_stacktrace.txt
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> The following TPC-DS queries:
> * cbo_query74.q
> * cbo_query84.q
> * query74.q
> * query84.q
> fail on the metastore with the partitioned TPC-DS 30TB dataset.
> The stacktraces for cbo_query74 and cbo_query84 show that the problem
> originates while applying HiveCardinalityPreservingJoinRule.
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