cloud-fan commented on a change in pull request #29146:
URL: https://github.com/apache/spark/pull/29146#discussion_r462359914
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File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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@@ -244,11 +258,31 @@ statement
| SET TIME ZONE interval
#setTimeZone
| SET TIME ZONE timezone=(STRING | LOCAL)
#setTimeZone
| SET TIME ZONE .*?
#setTimeZone
+ | SET configKey (EQ configValue)?
#setConfiguration
| SET .*?
#setConfiguration
+ | RESET configKey?
#resetConfiguration
| RESET .*?
#resetConfiguration
| unsupportedHiveNativeCommands .*?
#failNativeCommand
;
+configKey
+ : configIdentifier (('.' | ':') configIdentifier
+ // The two semantic predicates make sure that no token on the hidden
channel
+ // (e.g., spaces) exists between the config separator ('.' or ':').
+ {!isHidden(-3)}? {!isHidden(-2)}?)*
+ | quotedIdentifier
+ ;
+
+configValue
+ : MINUS? vaule=.*?
Review comment:
hmm, why `.*` can't match MINUS?
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