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From "Mick Jermsurawong (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-28224) Sum aggregation returns null on overflow decimals
Date Mon, 01 Jul 2019 23:52:00 GMT
Mick Jermsurawong created SPARK-28224:
-----------------------------------------

             Summary: Sum aggregation returns null on overflow decimals
                 Key: SPARK-28224
                 URL: https://issues.apache.org/jira/browse/SPARK-28224
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Mick Jermsurawong


Given the option to throw exception on overflow on, sum aggregation of overflowing bigdecimal
still remain null. {{DecimalAggregates}} is only invoked when expression of the sum (not the
elements to be operated) has sufficiently small precision. The fix seems to be in Sum expression
itself. 

 



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