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From "Chaoyu Tang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-16803) Alter table change column comment should not try to get column stats for update
Date Thu, 01 Jun 2017 17:23:04 GMT
Chaoyu Tang created HIVE-16803:
----------------------------------

             Summary: 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


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.



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