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https://issues.apache.org/jira/browse/HIVE-17538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16172317#comment-16172317
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Ashutosh Chauhan commented on HIVE-17538:
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Are test failures related?
Also, instead of linearly searching in list, you may use sets to efficiently
figure out membership.
> Enhance estimation of stats to estimate even if only one column is missing
> stats
> --------------------------------------------------------------------------------
>
> Key: HIVE-17538
> URL: https://issues.apache.org/jira/browse/HIVE-17538
> Project: Hive
> Issue Type: Improvement
> Reporter: Vineet Garg
> Assignee: Vineet Garg
> Attachments: HIVE-17538.1.patch
>
>
> HIVE-16811 provided support for estimating statistics in absence of stats.
> But that estimation is done if and only if statistics are missing for all
> columns.
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