Rui Li created HIVE-8913:
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Summary: Make SparkMapJoinResolver handle runtime skew join [Spark
Branch]
Key: HIVE-8913
URL: https://issues.apache.org/jira/browse/HIVE-8913
Project: Hive
Issue Type: Improvement
Components: Spark
Reporter: Rui Li
Sub-task of HIVE-8406.
Now we have {{SparkMapJoinResolver}} in place. But at the moment, it doesn't
handle the map join task created by upstream SkewJoinResolver, i.e. those
wrapped in a ConditionalTask. We have to implement this part for runtime skew
join to work on spark. To do so, we can borrow logic from {{MapJoinResolver}}.
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