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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17066) Query78 filter wrong estimatation is generating bad plan
Date Wed, 12 Jul 2017 00:37:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16083251#comment-16083251
] 

Hive QA commented on HIVE-17066:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12876709/HIVE-17066.3.patch

{color:red}ERROR:{color} -1 due to no test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 9 failed/errored test(s), 10839 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[dynamic_semijoin_user_level]
(batchId=142)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[llap_smb] (batchId=143)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[columnstats_part_coltype]
(batchId=157)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[correlationoptimizer1]
(batchId=155)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[tez_join_tests] (batchId=159)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[tez_joins_explain] (batchId=151)
org.apache.hive.hcatalog.api.TestHCatClient.testPartitionRegistrationWithCustomSchema (batchId=177)
org.apache.hive.hcatalog.api.TestHCatClient.testPartitionSpecRegistrationWithCustomSchema
(batchId=177)
org.apache.hive.hcatalog.api.TestHCatClient.testTableSchemaPropagation (batchId=177)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/5967/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/5967/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-5967/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
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: 9 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12876709 - PreCommit-HIVE-Build

> Query78 filter wrong estimatation is generating bad plan
> --------------------------------------------------------
>
>                 Key: HIVE-17066
>                 URL: https://issues.apache.org/jira/browse/HIVE-17066
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>         Attachments: HIVE-17066.1.patch, HIVE-17066.2.patch, HIVE-17066.3.patch
>
>
> Filter operator is estimating 1 row following a left outer join causing bad estimates
> {noformat}
> Reducer 12 
>             Execution mode: vectorized, llap
>             Reduce Operator Tree:
>               Map Join Operator
>                 condition map:
>                      Left Outer Join0 to 1
>                 keys:
>                   0 KEY.reducesinkkey0 (type: bigint), KEY.reducesinkkey1 (type: bigint)
>                   1 KEY.reducesinkkey0 (type: bigint), KEY.reducesinkkey1 (type: bigint)
>                 outputColumnNames: _col0, _col1, _col3, _col4, _col5, _col6, _col8
>                 input vertices:
>                   1 Map 14
>                 Statistics: Num rows: 71676270660 Data size: 3727166074320 Basic stats:
COMPLETE Column stats: COMPLETE
>                 Filter Operator
>                   predicate: _col8 is null (type: boolean)
>                   Statistics: Num rows: 1 Data size: 52 Basic stats: COMPLETE Column
stats: COMPLETE
>                   Select Operator
>                     expressions: _col0 (type: bigint), _col1 (type: bigint), _col3 (type:
int), _col4 (type: double), _col5 (type: double), _col6 (type: bigint)
>                     outputColumnNames: _col0, _col1, _col3, _col4, _col5, _col6
>                     Statistics: Num rows: 1 Data size: 52 Basic stats: COMPLETE Column
stats: COMPLETE
> {noformat}



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