xianyinxin commented on a change in pull request #26167: [SPARK-28893][SQL]
Support MERGE INTO in the parser and add the corresponding logical plan
URL: https://github.com/apache/spark/pull/26167#discussion_r344121838
##########
File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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@@ -217,6 +217,12 @@ statement
| RESET
#resetConfiguration
| DELETE FROM multipartIdentifier tableAlias whereClause?
#deleteFromTable
| UPDATE multipartIdentifier tableAlias setClause whereClause?
#updateTable
+ | MERGE INTO target=multipartIdentifier targetAlias=tableAlias
+ USING (source=multipartIdentifier |
+ '(' sourceQuery=query')') sourceAlias=tableAlias
+ ON mergeCondition=booleanExpression
+ (matchedClause)*
+ (notMatchedClause)*
#mergeIntoTable
Review comment:
done
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