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_r341045428
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/statements.scala
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@@ -246,6 +246,31 @@ case class UpdateTableStatement(
values: Seq[Expression],
condition: Option[Expression]) extends ParsedStatement
+/**
+ * A MERGE INTO tbl_name statement, as parsed from SQL.
+ */
+case class MergeIntoStatement(
Review comment:
I was thinking it is a convention to make the parse-analyze-plan flow more
clear.
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