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  1. Hive
  2. HIVE-5369 Annotate hive operator tree with statistics from metastore
  3. HIVE-7491

Stats annotation fails to evaluate constant expressions in filter operator

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.14.0
    • 0.14.0
    • Query Processor, Statistics
    • None

    Description

      HIVE-5369 added stats annotation to operator plan. The filter operator evaluates all expression node descriptors and applies rules. It always returns 0 for constant expressions like 'select * from table where true' or 'select * from table where true=true' etc.

      Attachments

        1. HIVE-7491.2.patch
          120 kB
          Prasanth Jayachandran
        2. HIVE-7491.1.patch
          32 kB
          Prasanth Jayachandran

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            prasanth_j Prasanth Jayachandran Assign to me
            prasanth_j Prasanth Jayachandran
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              Updated:
              Resolved:

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