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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9636) Apply IdentityProjectRemover after other optimizations
Date Tue, 10 Feb 2015 20:49:12 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14314891#comment-14314891
] 

Hive QA commented on HIVE-9636:
-------------------------------



{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/12697716/HIVE-9636.patch

{color:red}ERROR:{color} -1 due to 20 failed/errored test(s), 7540 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_annotate_stats_union
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_correlationoptimizer14
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_load_dyn_part14
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_merge4
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_stats1
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_type_widening
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union18
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union20
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_union6
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_groupby_map_ppr
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_join2
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_ptf
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_ptf_streaming
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_rcfile_bigdata
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_router_join_ppr
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_sample6
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_script_pipe
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_subquery_in
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_union_remove_6
org.apache.hive.spark.client.TestSparkClient.testSyncRpc
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/2742/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/2742/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-2742/

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: 20 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12697716 - PreCommit-HIVE-TRUNK-Build

> Apply IdentityProjectRemover after other optimizations
> ------------------------------------------------------
>
>                 Key: HIVE-9636
>                 URL: https://issues.apache.org/jira/browse/HIVE-9636
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-9636.patch
>
>
> IdentityProjectRemove optimizer may remove some Project operators that change the table
alias for the input columns; this might cause optimizations such as StatsOptimizer, that rely
on colExprMap and consequently store table aliases, to behave incorrectly.
> To avoid this, we could apply IdentityProjectRemove optimization after all the rest have
been previously applied, and document it accordingly.



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