[jira] [Commented] (HIVE-11573) PointLookupOptimizer can be pessimistic at a low nDV

["Hive QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-11573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14703198#comment-14703198 ] 

Hive QA commented on HIVE-11573:
--------------------------------



{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/12751242/HIVE-11573.2.patch

{color:red}ERROR:{color} -1 due to 11 failed/errored test(s), 9370 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_alter_partition_coltype
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_annotate_stats_filter
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_flatten_and_or
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_pcr
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_ppd_transform
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver_vectorized_case
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_explainuser_1
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver_vectorized_case
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_pcr
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_ppd_transform
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver_vectorized_case
{noformat}

Test results: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/5010/testReport
Console output: http://ec2-174-129-184-35.compute-1.amazonaws.com/jenkins/job/PreCommit-HIVE-TRUNK-Build/5010/console
Test logs: http://ec2-174-129-184-35.compute-1.amazonaws.com/logs/PreCommit-HIVE-TRUNK-Build-5010/

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: 11 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12751242 - PreCommit-HIVE-TRUNK-Build

> PointLookupOptimizer can be pessimistic at a low nDV
> ----------------------------------------------------
>
>                 Key: HIVE-11573
>                 URL: https://issues.apache.org/jira/browse/HIVE-11573
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 1.3.0, 2.0.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>             Fix For: 1.3.0, 2.0.0
>
>         Attachments: HIVE-11573.1.patch, HIVE-11573.2.patch
>
>
> The PointLookupOptimizer can turn off some of the optimizations due to its use of tuple IN() clauses.
> Limit the application of the optimizer for very low nDV cases and extract the sub-clause as a pre-condition during runtime, to trigger the simple column predicate index lookups.



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