[
https://issues.apache.org/jira/browse/HIVE-17767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16237207#comment-16237207
]
Hive QA commented on HIVE-17767:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12895342/HIVE-17767.4.patch
{color:green}SUCCESS:{color} +1 due to 2 test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 28 failed/errored test(s), 11352 tests
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[insert_values_orig_table_use_metadata]
(batchId=62)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[constprog_semijoin]
(batchId=162)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[llap_acid_fast]
(batchId=157)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[subquery_exists]
(batchId=157)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[subquery_in_having]
(batchId=161)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[subquery_multi]
(batchId=152)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[sysdb]
(batchId=156)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[constprog_partitioner]
(batchId=175)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[constprog_semijoin]
(batchId=175)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[spark_explainuser_1]
(batchId=174)
org.apache.hadoop.hive.cli.TestMiniTezCliDriver.testCliDriver[explainanalyze_2]
(batchId=102)
org.apache.hadoop.hive.cli.TestNegativeMinimrCliDriver.testCliDriver[ct_noperm_loc]
(batchId=94)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[subquery_multi]
(batchId=111)
org.apache.hadoop.hive.cli.TestTezPerfCliDriver.testCliDriver[query14]
(batchId=243)
org.apache.hadoop.hive.cli.TestTezPerfCliDriver.testCliDriver[query23]
(batchId=243)
org.apache.hadoop.hive.cli.control.TestDanglingQOuts.checkDanglingQOut
(batchId=206)
org.apache.hadoop.hive.ql.exec.tez.TestWorkloadManager.testAmPoolInteractions
(batchId=281)
org.apache.hadoop.hive.ql.exec.tez.TestWorkloadManager.testApplyPlanQpChanges
(batchId=281)
org.apache.hadoop.hive.ql.exec.tez.TestWorkloadManager.testApplyPlanUserMapping
(batchId=281)
org.apache.hadoop.hive.ql.exec.tez.TestWorkloadManager.testAsyncSessionInitFailures
(batchId=281)
org.apache.hadoop.hive.ql.exec.tez.TestWorkloadManager.testClusterFractions
(batchId=281)
org.apache.hadoop.hive.ql.exec.tez.TestWorkloadManager.testDestroyAndReturn
(batchId=281)
org.apache.hadoop.hive.ql.exec.tez.TestWorkloadManager.testQueueing
(batchId=281)
org.apache.hadoop.hive.ql.exec.tez.TestWorkloadManager.testReopen (batchId=281)
org.apache.hadoop.hive.ql.exec.tez.TestWorkloadManager.testReuse (batchId=281)
org.apache.hadoop.hive.ql.exec.tez.TestWorkloadManager.testReuseWithDifferentPool
(batchId=281)
org.apache.hadoop.hive.ql.exec.tez.TestWorkloadManager.testReuseWithQueueing
(batchId=281)
org.apache.hadoop.hive.ql.parse.TestReplicationScenarios.testConstraints
(batchId=223)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/7603/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/7603/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-7603/
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: 28 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12895342 - PreCommit-HIVE-Build
> Rewrite correlated EXISTS/IN subqueries into LEFT SEMI JOIN
> -----------------------------------------------------------
>
> Key: HIVE-17767
> URL: https://issues.apache.org/jira/browse/HIVE-17767
> Project: Hive
> Issue Type: Improvement
> Components: Query Planning
> Reporter: Vineet Garg
> Assignee: Vineet Garg
> Priority: Major
> Attachments: HIVE-17767.1.patch, HIVE-17767.2.patch,
> HIVE-17767.3.patch, HIVE-17767.4.patch
>
>
> Currently such queries are written into group by + inner join with value
> generator and is inefficient. Value generator consists of join with outer
> query to fetch all correlated values. This value generator could be
> completely eliminated if such queries are instead rewritten into LEFT SEMI
> JOIN.
> Note that to do this first hive need to support LEFT SEMI JOIN with non-equi
> condition (HIVE-17766).
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