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https://issues.apache.org/jira/browse/IMPALA-12702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17805756#comment-17805756
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ASF subversion and git services commented on IMPALA-12702:
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Commit a2b8aed2c2d4c1bb25ed9626a2b014b79ec741ad in impala's branch
refs/heads/master from Riza Suminto
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=a2b8aed2c ]
IMPALA-12702: Show reduced cardinality estimation in ExecSummary
In the query profile, cardinality reduction from IMPALA-12018 is
highlighted in Plan section, but missing out from ExecSummary section.
This patch changes the ExecSummary to show the reduced cardinality
estimation if it set.
Testing:
- Add TestObservability::test_reduced_cardinality_by_filter
Change-Id: If1f51ce585a1cb66e518b725686ab3076ffa8168
Reviewed-on: http://gerrit.cloudera.org:8080/20879
Reviewed-by: Wenzhe Zhou <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> Est. #Rows in ExecSummary does not reflect reduction from runtime filter.
> -------------------------------------------------------------------------
>
> Key: IMPALA-12702
> URL: https://issues.apache.org/jira/browse/IMPALA-12702
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Reporter: Riza Suminto
> Assignee: Riza Suminto
> Priority: Minor
> Fix For: Impala 4.4.0
>
>
> In the query profile, cardinality reduction from IMPALA-12018 is highlighted
> in Plan section, but missing out from ExecSummary section. ExecSummary should
> show reduced cardinality estimation in Est. #Rows column of ExecSummary
> section as well.
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