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https://issues.apache.org/jira/browse/HIVE-8776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chao updated HIVE-8776:
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Attachment: HIVE-8776.patch
This patch enables the map-join optimizations as well. It's not ready yet. I
put here so others can work on the integration as well, and report any issues
found in the process.
> Generate MapredLocalWork in SparkMapJoinResolver [Spark Brach]
> --------------------------------------------------------------
>
> Key: HIVE-8776
> URL: https://issues.apache.org/jira/browse/HIVE-8776
> Project: Hive
> Issue Type: Sub-task
> Components: Spark
> Affects Versions: spark-branch
> Reporter: Chao
> Assignee: Chao
> Attachments: HIVE-8776.patch
>
>
> In {{SparkMapJoinResolver}}, we need to populate {{MapredLocalWork}} for all
> MapWorks with {{MapJoinOperator}}. It is needed later in {{HashTableLoader}},
> for example, to retrieve small hash tables and direct fetch tables.
> We need to set up information, such as aliasToWork, aliasToFetchWork,
> directFetchOp, inputFileChangeSensitive, tmpPath, etc., for the new local
> works.
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