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Posted to issues@spark.apache.org by "Daniel (Jira)" <ji...@apache.org> on 2022/03/04 18:40:00 UTC

[jira] (SPARK-38415) Update histogram_numeric (x, y) result type to make x == input type

    [ https://issues.apache.org/jira/browse/SPARK-38415 ]


    Daniel deleted comment on SPARK-38415:
    --------------------------------

was (Author: JIRAUSER285772):
PR to update this behavior is out for review in: https://github.com/apache/spark/pull/35735

> Update histogram_numeric (x, y) result type to make x == input type 
> --------------------------------------------------------------------
>
>                 Key: SPARK-38415
>                 URL: https://issues.apache.org/jira/browse/SPARK-38415
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.3.0
>            Reporter: Daniel
>            Priority: Major
>
> Currently the `histogram_numeric` function always returns a struct of (x, y) double-precision floating-point pairs. However, the function may accept various numeric input types including integers, intervals, etc., in which case users must generally explicitly cast the double-precision result back to the original input type. In this improvement, we will update the output type to propagate the input type to the output.
> Note that usage analysis for this function does not appear to yield much traffic currently, so it seems OK to just change the output type directly.



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