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From "Hive QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16947) Semijoin Reduction : Task cycle created due to multiple semijoins in conjunction with hashjoin
Date Fri, 23 Jun 2017 07:49:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16060529#comment-16060529
] 

Hive QA commented on HIVE-16947:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12874181/HIVE-16947.1.patch

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

{color:red}ERROR:{color} -1 due to 11 failed/errored test(s), 10846 tests executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[tez_smb_main] (batchId=150)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query16] (batchId=233)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query23] (batchId=233)
org.apache.hadoop.hive.cli.TestPerfCliDriver.testCliDriver[query94] (batchId=233)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[union24] (batchId=125)
org.apache.hadoop.hive.ql.parse.TestReplicationScenariosAcrossInstances.testBootstrapFunctionReplication
(batchId=217)
org.apache.hadoop.hive.ql.parse.TestReplicationScenariosAcrossInstances.testCreateFunctionIncrementalReplication
(batchId=217)
org.apache.hadoop.hive.ql.parse.TestReplicationScenariosAcrossInstances.testCreateFunctionWithFunctionBinaryJarsOnHDFS
(batchId=217)
org.apache.hive.hcatalog.api.TestHCatClient.testPartitionRegistrationWithCustomSchema (batchId=178)
org.apache.hive.hcatalog.api.TestHCatClient.testPartitionSpecRegistrationWithCustomSchema
(batchId=178)
org.apache.hive.hcatalog.api.TestHCatClient.testTableSchemaPropagation (batchId=178)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/5741/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/5741/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-5741/

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: 11 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12874181 - PreCommit-HIVE-Build

> Semijoin Reduction : Task cycle created due to multiple semijoins in conjunction with
hashjoin
> ----------------------------------------------------------------------------------------------
>
>                 Key: HIVE-16947
>                 URL: https://issues.apache.org/jira/browse/HIVE-16947
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Deepak Jaiswal
>            Assignee: Deepak Jaiswal
>         Attachments: HIVE-16947.1.patch
>
>
> Typically a semijoin branch and a mapjoin may create a cycle when on same operator tree.
This is already handled, however, a semijoin branch can serve more than one filters and the
cycle detection logic currently only handles the 1st one causing cycles preventing the queries
from running.



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