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https://issues.apache.org/jira/browse/HIVE-19067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17055285#comment-17055285
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Vineet Garg commented on HIVE-19067:
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[~kgyrtkirk] I know this is a bit old issue but are you still able to repro
this? :)
> subquery checks seems to be undeterminitstic
> --------------------------------------------
>
> Key: HIVE-19067
> URL: https://issues.apache.org/jira/browse/HIVE-19067
> Project: Hive
> Issue Type: Bug
> Reporter: Zoltan Haindrich
> Priority: Major
>
> After changing the log level to DEBUG; a subquery check started appearing for
> the same query (tpcds/q16)
>
> {code:java}
> 2018-03-28T07:13:12,362 ERROR [HiveServer2-Background-Pool: Thread-2812]:
> exec.ExplainTask (ExplainTask.
> java:execute(361)) - Running explain user level has problem. Falling back to
> normal explain.
> java.lang.Exception: Can not find the source operator on one of the branches
> of map join.
> at org.apache.hadoop.hive.common.jsonexplain.Op.inlineJoinOp(Op.java:169)
> ~[hive-common-3.0.0.3.
> 0.0.0-1075.jar:3.0.0.3.0.0.0-1075]
> at org.apache.hadoop.hive.common.jsonexplain.Op.print(Op.java:314)
> ~[hive-common-3.0.0.3.0.0.0-1
> 075.jar:3.0.0.3.0.0.0-1075]
> {code}
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