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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16803) Alter table change column comment should not try to get column stats for update
Date Thu, 01 Jun 2017 18:52:04 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16033484#comment-16033484
] 

Hive QA commented on HIVE-16803:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12870823/HIVE-16803.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 4 failed/errored test(s), 10813 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[stats_aggregator_error_1] (batchId=70)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[columnstats_part_coltype]
(batchId=157)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query14] (batchId=232)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query23] (batchId=232)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/5498/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/5498/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-5498/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 4 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12870823 - PreCommit-HIVE-Build

> 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.



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