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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17536) StatsUtil::getBasicStatForTable doesn't distinguish b/w absence of statistics or zero stats
Date Fri, 22 Sep 2017 04:43:02 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16175909#comment-16175909
] 

Hive QA commented on HIVE-17536:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12888369/HIVE-17536.6.patch

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

{color:red}ERROR:{color} -1 due to 8 failed/errored test(s), 11051 tests executed
*Failed tests:*
{noformat}
TestAccumuloCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=231)
TestDummy - did not produce a TEST-*.xml file (likely timed out) (batchId=231)
org.apache.hadoop.hive.cli.TestBeeLineDriver.testCliDriver[create_merge_compressed] (batchId=240)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[union_fast_stats] (batchId=156)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[spark_explainuser_1]
(batchId=170)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query14] (batchId=235)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query23] (batchId=235)
org.apache.hive.jdbc.TestJdbcWithMiniHS2.testHttpRetryOnServerIdleTimeout (batchId=228)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/6935/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/6935/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-6935/

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: 8 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12888369 - PreCommit-HIVE-Build

> StatsUtil::getBasicStatForTable doesn't distinguish b/w absence of statistics or zero
stats
> -------------------------------------------------------------------------------------------
>
>                 Key: HIVE-17536
>                 URL: https://issues.apache.org/jira/browse/HIVE-17536
>             Project: Hive
>          Issue Type: Improvement
>          Components: Statistics
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>         Attachments: HIVE-17536.1.patch, HIVE-17536.2.patch, HIVE-17536.3.patch, HIVE-17536.4.patch,
HIVE-17536.5.patch, HIVE-17536.6.patch
>
>
> This method returns zero for both of the following cases:
> * Statistics are missing in metastore
> * Actual stats e.g. number of rows are zero
> It'll be good for this method to return e.g. -1 in absence of statistics instead of assuming
it to be zero.



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