Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/2543#discussion_r18127040 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/SqlParser.scala --- @@ -366,7 +366,7 @@ class SqlParser extends StandardTokenParsers with PackratParsers { case base ~ _ ~ ordinal => GetItem(base, ordinal) } | (expression <~ ".") ~ ident ^^ { - case base ~ fieldName => GetField(base, fieldName) + case base ~ fieldName => UnresolvedGetField(base, fieldName) --- End diff -- Actually I need this rule always take action as I want to support another type of `GetField` like `GetFieldFromStruct`, `GetFieldFromArray`, etc. Anyway I think `UnresolvedGetField` is not necessary for this PR, I will use `resolved` field instead and put this into related PR.
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