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  1. Hive
  2. HIVE-20142

Semijoin Reduction : Peform cost based removal after rule based removal.

    Details

    • Type: Task
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
    • Labels:
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      Description

      The semijoin reduction removal logic is spread out into multiple functions. Currently, the cost based removal logic is applied before the rule based(dumb) ones. 

      Instead, apply the rule based removal logic and then apply the cost based removal.

       

      cc Jason Dere Jesus Camacho Rodriguez Gopal V

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            • Assignee:
              djaiswal Deepak Jaiswal
              Reporter:
              djaiswal Deepak Jaiswal
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                Updated:
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