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  1. IMPALA
  2. IMPALA-4785

Constant from GetIntermediateType() are not propagated when codegen'ing aggregate functions

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Details

    • Bug
    • Status: Open
    • Major
    • Resolution: Unresolved
    • Impala 2.7.0, Impala 2.8.0
    • None
    • Backend

    Description

      If a builtin aggregate function calls GetReturnType(), we can propagated constant values, e.g. decimal precision and scale. However we don't have the same optimisation for GetIntermediateType(). We should fix this for consistency.

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          is blocked by

          Improvement - An improvement or enhancement to an existing feature or task. IMPALA-3637 Merge codegen constant replacement mechanisms

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

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              Unassigned Unassigned
              tarmstrong Tim Armstrong
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              Dates

                Created:
                Updated: