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  1. Calcite
  2. CALCITE-1945

Allow custom return types for AVG/VARIANCE/STDDEV/COVAR

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.14.0
    • Component/s: None
    • Labels:
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      Description

      For example, return types of AVG() is the input type. So, if the input is INT/BIGINT type, AVG() is always truncated. Depending on the database, some database follow this behavior while others (e.g. Oracle/MySQL/etc.) do not and return floating point values for AVG().

      Similar for other functions mentioned here.

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. CALCITE-2030 Aggregates executed against PostgreSQL DECIMAL columns perform lossy casts

          • Minor - Minor loss of function, or other problem where easy workaround is present.
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              • Assignee:
                julianhyde Julian Hyde
                Reporter:
                minjikim MinJi Kim
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                • Created:
                  Updated:
                  Resolved: