Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/14842#discussion_r77210917
--- Diff:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4 ---
@@ -324,7 +324,7 @@ queryPrimary
;
sortItem
- : expression ordering=(ASC | DESC)?
+ : expression ordering=(ASC | DESC)? (NULLS nullOrder=(LAST | FIRST))?
--- End diff --
I am sorry, that is a typo. I was asking if we should support a null
ordering clause without defining the sort order. I am fine with that, but I
have been wrong before.
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