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From "Hive QA (JIRA)" <>
Subject [jira] [Commented] (HIVE-15723) Hive should report a warning about missing table/column statistics to user.
Date Wed, 01 Feb 2017 15:23:52 GMT


Hive QA commented on HIVE-15723:

Here are the results of testing the latest attachment:

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

{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 10997 tests executed
*Failed tests:*
TestDerbyConnector - did not produce a TEST-*.xml file (likely timed out) (batchId=235)
TestMiniSparkOnYarnCliDriver - did not produce a TEST-*.xml file (likely timed out) (batchId=160)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query14] (batchId=223)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query23] (batchId=223)

Test results:
Console output:
Test logs:

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: 6 tests failed

This message is automatically generated.

ATTACHMENT ID: 12850426 - PreCommit-HIVE-Build

> Hive should report a warning about missing table/column statistics to user.
> ---------------------------------------------------------------------------
>                 Key: HIVE-15723
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Remus Rusanu
>            Assignee: Remus Rusanu
>            Priority: Minor
>             Fix For: 2.2.0
>         Attachments: HIVE-15723.01.patch, HIVE-15723.02.patch, HIVE-15723.03.patch, HIVE-15723.04.patch,
> Many Hive performance issues are due to missing statistics. Either all, table or column
statistics are missing. Potentially a new partition has been added and customer forgot to
gather stats for that partition.
> A simple warning about a table or column missing statistics can be very helpful and makes
hive more user friendly. Hive already has this information, its a matter of printing it out.

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