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https://issues.apache.org/jira/browse/HIVE-8793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14203451#comment-14203451
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Xuefu Zhang commented on HIVE-8793:
-----------------------------------
We need to treat this as a general case. Handling this seems straightfoward. We
just need to make the processing (splitSparkWork) in HIVE-8118 happen before
MapJoinResolver.
> Make sure multi-insert works with map join [Spark Branch]
> ---------------------------------------------------------
>
> Key: HIVE-8793
> URL: https://issues.apache.org/jira/browse/HIVE-8793
> Project: Hive
> Issue Type: Task
> Components: Spark
> Affects Versions: spark-branch
> Reporter: Chao
>
> Currently, HIVE-8622 is implemented based on an assumption, that for a map
> join query, a BaseWork would not have multiple children. By testing through
> subquery_multiinsert.q did reveal that's the case. But, we need to
> investigate on this, and make sure this won't happen in general.
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