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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-18173) Improve plans for correlated subqueries with non-equi predicate
Date Sat, 02 Dec 2017 23:23:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-18173?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16275783#comment-16275783
] 

Hive QA commented on HIVE-18173:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12900353/HIVE-18173.3.patch

{color:green}SUCCESS:{color} +1 due to 1 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 7 failed/errored test(s), 11507 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[auto_sortmerge_join_2] (batchId=48)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[vector_complex_join] (batchId=44)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[hybridgrace_hashjoin_2]
(batchId=157)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[insert_values_orig_table_use_metadata]
(batchId=165)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[sysdb] (batchId=160)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[subquery_multi] (batchId=113)
org.apache.hadoop.hive.ql.parse.TestReplicationScenarios.testConstraints (batchId=227)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/8085/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/8085/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-8085/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 7 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12900353 - PreCommit-HIVE-Build

> Improve plans for correlated subqueries with non-equi predicate
> ---------------------------------------------------------------
>
>                 Key: HIVE-18173
>                 URL: https://issues.apache.org/jira/browse/HIVE-18173
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Planning
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>         Attachments: HIVE-18173.1.patch, HIVE-18173.2.patch, HIVE-18173.3.patch
>
>
> HIVE-17767 optimized plan to not generate value generator (i.e. an extra join with outer
query to fetch correlated columns) for EQUAL and NOT EQUAL predicates e.g.
> {code:sql}
> select * from src b where b.key in (select key from src a where b.value <> a.value)
> {code}
> This should be improved and implemented for rest of the predicates e.g. LESS THAN etc



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