Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/11904#discussion_r57105298
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -439,6 +440,16 @@ class Analyzer(
case s: Star => s.expand(child, resolver)
case o => o :: Nil
})
+ case p: Murmur3Hash if containsStar(p.children) =>
--- End diff --
I see. That is based on `lookupFunction` to determine if the inputs
generated by star expansion can be accepted by the function.
When going over the function list we supported, very few of them need a
support for star expansion. Another two functions are `greatest` and `least`. :
)
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