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https://issues.apache.org/jira/browse/HIVE-17193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16449794#comment-16449794
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Sahil Takiar commented on HIVE-17193:
-------------------------------------
+1
> HoS: don't combine map works that are targets of different DPPs
> ---------------------------------------------------------------
>
> Key: HIVE-17193
> URL: https://issues.apache.org/jira/browse/HIVE-17193
> Project: Hive
> Issue Type: Bug
> Components: Spark
> Reporter: Rui Li
> Assignee: Rui Li
> Priority: Major
> Attachments: HIVE-17193.1.patch, HIVE-17193.2.patch,
> HIVE-17193.3.patch, HIVE-17193.4.patch, HIVE-17193.5.patch
>
>
> Suppose {{srcpart}} is partitioned by {{ds}}. The following query can trigger
> the issue:
> {code}
> explain
> select * from
> (select srcpart.ds,srcpart.key from srcpart join src on srcpart.ds=src.key)
> a
> join
> (select srcpart.ds,srcpart.key from srcpart join src on
> srcpart.ds=src.value) b
> on a.key=b.key;
> {code}
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