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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-14378) Data size may be estimated as 0 if no columns are being projected after an operator
Date Sat, 06 Aug 2016 00:16:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-14378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15410311#comment-15410311
] 

Hive QA commented on HIVE-14378:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12821934/HIVE-14378.4.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 5 failed/errored test(s), 10440 tests executed
*Failed tests:*
{noformat}
TestMsgBusConnection - did not produce a TEST-*.xml file
TestQueryLifeTimeHook - did not produce a TEST-*.xml file
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver_orc_llap
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver_orc_llap_counters
org.apache.hadoop.hive.llap.tezplugins.TestLlapTaskSchedulerService.testForcedLocalityMultiplePreemptionsSameHost2
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-MASTER-Build/789/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-MASTER-Build/789/console
Test logs: http://ec2-204-236-174-241.us-west-1.compute.amazonaws.com/logs/PreCommit-HIVE-MASTER-Build-789/

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: 5 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12821934 - PreCommit-HIVE-MASTER-Build

> Data size may be estimated as 0 if no columns are being projected after an operator
> -----------------------------------------------------------------------------------
>
>                 Key: HIVE-14378
>                 URL: https://issues.apache.org/jira/browse/HIVE-14378
>             Project: Hive
>          Issue Type: Bug
>          Components: Physical Optimizer, Statistics
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>         Attachments: HIVE-14378.2.patch, HIVE-14378.3.patch, HIVE-14378.3.patch, HIVE-14378.4.patch,
HIVE-14378.patch
>
>
> in those cases we still emit rows.. but they may not have any columns within it.  We
shouldn't estimate 0 data size in such cases.



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