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https://issues.apache.org/jira/browse/HIVE-5849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13829832#comment-13829832
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Hive QA commented on HIVE-5849:
-------------------------------
{color:red}Overall{color}: -1 at least one tests failed
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12615235/HIVE-5849.6.patch
{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 4680 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_dynamic_partition_skip_default
{noformat}
Test results:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/396/testReport
Console output:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/396/console
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests failed with: TestsFailedException: 1 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12615235
> Improve the stats of operators based on heuristics in the absence of any
> column statistics
> ------------------------------------------------------------------------------------------
>
> Key: HIVE-5849
> URL: https://issues.apache.org/jira/browse/HIVE-5849
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor, Statistics
> Reporter: Prasanth J
> Assignee: Prasanth J
> Fix For: 0.13.0
>
> Attachments: HIVE-5849.1.patch.txt, HIVE-5849.2.patch.txt,
> HIVE-5849.3.patch, HIVE-5849.3.patch.txt, HIVE-5849.4.javaonly.patch,
> HIVE-5849.5.patch, HIVE-5849.6.patch
>
>
> In the absence of any column statistics, operators will simply use the
> statistics from its parents. It is useful to apply some heuristics to update
> basic statistics (number of rows and data size) in the absence of any column
> statistics. This will be worst case scenario.
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