srielau commented on code in PR #40884:
URL: https://github.com/apache/spark/pull/40884#discussion_r1178121404
##########
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBaseParser.g4:
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@@ -798,9 +798,19 @@ multipartIdentifierList
;
multipartIdentifier
- : parts+=errorCapturingIdentifier (DOT parts+=errorCapturingIdentifier)*
+ : parts+=errorCapturingIdentifierWithTemplate (DOT
parts+=errorCapturingIdentifierWithTemplate)*
;
+errorCapturingIdentifierWithTemplate
+ : identifierClause
+ | ident = errorCapturingIdentifier
+ ;
+
+errorCapturingSingleIdentifierWithTemplate
Review Comment:
The SingleIdentifier versions raise an error if the string literal passed to
IDENTIFIER() parses as a qualified name.
They also produce a String. Where the others produce a Seq[String]
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