Github user jaceklaskowski commented on a diff in the pull request:
https://github.com/apache/spark/pull/19773#discussion_r151739773
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/ddl.scala ---
@@ -318,16 +318,28 @@ case class AlterTableChangeColumnCommand(
s"'${newColumn.name}' with type '${newColumn.dataType}'")
}
+ val changeSchema = originColumn.dataType != newColumn.dataType
--- End diff --
What do you think about renaming the val to `typeChanged`?
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