Vikram Dixit K created HIVE-8647:
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Summary: HIVE-8186 causes addition of same child operator multiple
times
Key: HIVE-8647
URL: https://issues.apache.org/jira/browse/HIVE-8647
Project: Hive
Issue Type: Bug
Components: Query Processor
Affects Versions: 0.14.0
Reporter: Vikram Dixit K
Assignee: Vikram Dixit K
Priority: Critical
With HIVE-8186, the same child operator ends up getting added multiple times to
the map operator when processing multiple files for the same alias in the map
task.
I believe we should also eliminate having so many mapOpCtx for the same child
operator and instead should have only 1 per alias. However, that looks like a
big change that may not be needed before 0.14 goes out.
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