[jira] [Commented] (HIVE-4904) A little more CP crossing RS boundaries

["Harish Butani (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-4904?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13960465#comment-13960465 ] 

Harish Butani commented on HIVE-4904:
-------------------------------------

Rebased earlier patch. 
- Some of the changes to SemAly already went in, probably in HIVE-4293
- added couple of more checks:
  - When pruning the RedSink signature create a new ArrayList. The issue was the ArrayList in the RowSchema was being shared with the 
     RowSchema of the ParentOp.
  - When there are distinct aggregations, the resolution back from GBy to RedSink outputCols is not working. For now I have added a check that adds all Value
     Cols of the RedSink to the prunedList of the RedSink

Still need to add the test from HIVE-6912.

> A little more CP crossing RS boundaries
> ---------------------------------------
>
>                 Key: HIVE-4904
>                 URL: https://issues.apache.org/jira/browse/HIVE-4904
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Minor
>         Attachments: HIVE-4904.3.patch, HIVE-4904.D11757.1.patch, HIVE-4904.D11757.2.patch
>
>
> Currently, CP context cannot be propagated over RS except for JOIN/EXT. A little more CP is possible.



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