cloud-fan commented on a change in pull request #33113:
URL: https://github.com/apache/spark/pull/33113#discussion_r659498507
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/v2Commands.scala
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@@ -1142,3 +1142,42 @@ case class AlterTableRenameColumn(
override protected def withNewChildInternal(newChild: LogicalPlan):
LogicalPlan =
copy(table = newChild)
}
+
+/**
+ * The logical plan of the ALTER TABLE ... CHANGE COLUMN command.
Review comment:
nit: let's put the SQL standard syntax in the doc `ALTER TABLE ... ALTER
COLUMN`
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