Github user edrevo commented on a diff in the pull request:
https://github.com/apache/spark/pull/1211#discussion_r14280656
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/dsl/package.scala ---
@@ -108,6 +108,24 @@ package object dsl {
implicit def symbolToUnresolvedAttribute(s: Symbol) =
analysis.UnresolvedAttribute(s.name)
+ def sum(e: Expression) = Sum(e)
+ def sum(d: DistinctExpression) = SumDistinct(d.expression)
--- End diff --
There's no implicitness going on in here, since the user needs to
explicitly call both `sum` and `disctinct`. I have no problem changing it,
though.
Fixed.
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