[
https://issues.apache.org/jira/browse/HIVE-23963?focusedWorklogId=466047&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-466047
]
ASF GitHub Bot logged work on HIVE-23963:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Aug/20 06:19
Start Date: 04/Aug/20 06:19
Worklog Time Spent: 10m
Work Description: kasakrisz opened a new pull request #1357:
URL: https://github.com/apache/hive/pull/1357
### What changes were proposed in this pull request?
Avoid `UnsupportedOperationException` when calculating cost using
`HiveOnTezCostModel`.
https://issues.apache.org/jira/browse/HIVE-23963?focusedCommentId=17169985&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17169985
### Why are the changes needed?
See above section.
### Does this PR introduce _any_ user-facing change?
no
### How was this patch tested?
Run query 74 and 84 using a 30tb metastore dump:
```
mvn test -Dtest.output.overwrite -DskipSparkTests
-Dtest=TestTezPerfDBCliDriver -Dqfile=query74.q,query84.q
-Dtest.metastore.db=postgres.tpcds -pl itests/qtest -Pitests
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 466047)
Remaining Estimate: 0h
Time Spent: 10m
> 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
> Attachments: cbo_query74_stacktrace.txt, cbo_query84_stacktrace.txt
>
> Time Spent: 10m
> 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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