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From "Jesus Camacho Rodriguez (JIRA)" <>
Subject [jira] [Commented] (HIVE-11160) Auto-gather column stats
Date Tue, 31 May 2016 19:22:13 GMT


Jesus Camacho Rodriguez commented on HIVE-11160:

Removing 2.1.0 target as issue is not tagged as Critical/Blocker and the RC will be created
tomorrow. Please feel free to commit to branch-2.1 anyway and fix for 2.1.0 if this happens
before the release.

> Auto-gather column stats
> ------------------------
>                 Key: HIVE-11160
>                 URL:
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-11160.01.patch, HIVE-11160.02.patch, HIVE-11160.03.patch, HIVE-11160.04.patch,
HIVE-11160.05.patch, HIVE-11160.06.patch, HIVE-11160.07.patch, HIVE-11160.08.patch, HIVE-11160.09.patch
> Hive will collect table stats when set hive.stats.autogather=true during the INSERT OVERWRITE
command. And then the users need to collect the column stats themselves using "Analyze" command.
In this patch, the column stats will also be collected automatically. More specifically, INSERT
OVERWRITE will automatically create new column stats. INSERT INTO will automatically merge
new column stats with existing ones.

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