gengliangwang commented on code in PR #41007:
URL: https://github.com/apache/spark/pull/41007#discussion_r1194354914
##########
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBaseParser.g4:
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@@ -434,17 +434,31 @@ resource
dmlStatementNoWith
: insertInto query
#singleInsertQuery
| fromClause multiInsertQueryBody+
#multiInsertQuery
- | DELETE FROM multipartIdentifier tableAlias whereClause?
#deleteFromTable
- | UPDATE multipartIdentifier tableAlias setClause whereClause?
#updateTable
- | MERGE INTO target=multipartIdentifier targetAlias=tableAlias
- USING (source=multipartIdentifier |
+ | DELETE FROM tableReference tableAlias whereClause?
#deleteFromTable
+ | UPDATE tableReference tableAlias setClause whereClause?
#updateTable
+ | MERGE INTO target=tableReference targetAlias=tableAlias
+ USING (source=tableReference |
LEFT_PAREN sourceQuery=query RIGHT_PAREN) sourceAlias=tableAlias
ON mergeCondition=booleanExpression
matchedClause*
notMatchedClause*
notMatchedBySourceClause*
#mergeIntoTable
;
+tableReference
+ : IDENTIFIER_KW LEFT_PAREN expression RIGHT_PAREN
+ | multipartIdentifier
+ ;
+
+identifierReference
+ : IDENTIFIER_KW LEFT_PAREN expression RIGHT_PAREN
+ | multipartIdentifier
+ ;
+identifierReferenceAllowTemp
Review Comment:
+1 with @dtenedor . Shall we have just one identifierReference for all the
multipartIdentifier
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