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https://issues.apache.org/jira/browse/HIVE-6797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13956846#comment-13956846
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Hive QA commented on HIVE-6797:
-------------------------------
{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/12638001/HIVE-6797.2.patch
{color:red}ERROR:{color} -1 due to 2 failed/errored test(s), 5513 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestNegativeMinimrCliDriver.testNegativeCliDriver_mapreduce_stack_trace_hadoop20
org.apache.hcatalog.pig.TestHCatStorerMulti.testStoreBasicTable
{noformat}
Test results:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/2068/testReport
Console output:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/2068/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 exited with: TestsFailedException: 2 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12638001
> Add protection against divide by zero in stats annotation
> ---------------------------------------------------------
>
> Key: HIVE-6797
> URL: https://issues.apache.org/jira/browse/HIVE-6797
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor, Statistics
> Affects Versions: 0.13.0
> Reporter: Prasanth J
> Assignee: Prasanth J
> Fix For: 0.13.0
>
> Attachments: HIVE-6797.1.patch, HIVE-6797.2.patch
>
>
> In stats annotation, the denominator computation in join operator is not
> protected for divide by zero exception. It will be an issue when NDV (count
> distinct) updated by updateStats() becomes 0. This patch adds protection in
> updateStats() method to prevent divide-by-zero in downstream operators.
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