cloud-fan commented on code in PR #48047:
URL: https://github.com/apache/spark/pull/48047#discussion_r1757288799
##########
sql/api/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBaseParser.g4:
##########
@@ -604,6 +604,7 @@ queryTerm
operator=INTERSECT setQuantifier? right=queryTerm
#setOperation
| left=queryTerm {!legacy_setops_precedence_enabled}?
operator=(UNION | EXCEPT | SETMINUS) setQuantifier? right=queryTerm
#setOperation
+ | left=queryTerm OPERATOR_PIPE operatorPipeRightSide
#operatorPipeStatement
Review Comment:
I had a hard time understanding this recursive parser rule. How does it
match continuous pipe operators? And what is the Operator Precedence with mixed
classic SQL query syntax and the new pipe syntax?
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
