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From "Josh Rosen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-10988) Reduce duplication in Aggregate2's expression rewriting logic
Date Wed, 07 Oct 2015 23:42:26 GMT
Josh Rosen created SPARK-10988:
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             Summary: Reduce duplication in Aggregate2's expression rewriting logic
                 Key: SPARK-10988
                 URL: https://issues.apache.org/jira/browse/SPARK-10988
             Project: Spark
          Issue Type: Bug
          Components: SQL
            Reporter: Josh Rosen
            Assignee: Josh Rosen


In `aggregate/utils.scala`, there is a substantial amount of duplication in the expression-rewriting
logic. As a prerequisite to supporting imperative aggregate functions in `TungstenAggregate`,
we should refactor this file so that the same expression-rewriting logic is used for both
`SortAggregate` and `TungstenAggregate`.



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