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Posted to issues@hive.apache.org by "Vineet Garg (JIRA)" <ji...@apache.org> on 2017/09/14 23:24:00 UTC
[jira] [Updated] (HIVE-17538) Enhance estimation of stats to
estimate even if only one column is missing stats
[ https://issues.apache.org/jira/browse/HIVE-17538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vineet Garg updated HIVE-17538:
-------------------------------
Attachment: HIVE-17538.1.patch
> 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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