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https://issues.apache.org/jira/browse/HIVE-6192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13874171#comment-13874171
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Hive QA commented on HIVE-6192:
-------------------------------
{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/12623492/HIVE-6192.2.patch
{color:red}ERROR:{color} -1 due to 1 failed/errored test(s), 4927 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestNegativeMinimrCliDriver.testNegativeCliDriver_mapreduce_stack_trace_hadoop20
{noformat}
Test results:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/939/testReport
Console output:
http://bigtop01.cloudera.org:8080/job/PreCommit-HIVE-Build/939/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: 1 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12623492
> Optimize sum(1) to answer query using metadata
> ----------------------------------------------
>
> Key: HIVE-6192
> URL: https://issues.apache.org/jira/browse/HIVE-6192
> Project: Hive
> Issue Type: New Feature
> Components: Query Processor, Statistics
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
> Attachments: HIVE-6192.2.patch, HIVE-6192.patch
>
>
> sum(1) has same semantics as count(1) so it can also be optimized in similar
> fashion by answering query using stats stored in metastore.
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