[
https://issues.apache.org/jira/browse/HIVE-16803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chaoyu Tang updated HIVE-16803:
-------------------------------
Attachment: HIVE-16803.patch
Whether column stats need to be fetched and/or updated in alter table is based
only on the column name/type between new and old columns, and not including
column comment.
> Alter table change column comment should not try to get column stats for
> update
> -------------------------------------------------------------------------------
>
> Key: HIVE-16803
> URL: https://issues.apache.org/jira/browse/HIVE-16803
> Project: Hive
> Issue Type: Bug
> Components: Statistics
> Reporter: Chaoyu Tang
> Assignee: Chaoyu Tang
> Priority: Minor
> Attachments: HIVE-16803.patch
>
>
> When running command like "alter table .. change .." (e.g. ALTER TABLE
> testtbl CHANGE col col string COMMENT 'change column comment';) to change a
> column's comment, Hive should not go to fetch the column stats for update
> since the comment change does not affect table/partition column stats.
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
