nikolamand-db commented on code in PR #46734:
URL: https://github.com/apache/spark/pull/46734#discussion_r1615600457
##########
sql/api/src/main/scala/org/apache/spark/sql/types/DataType.scala:
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@@ -408,6 +408,37 @@ object DataType {
}
}
+ /**
+ * Check if `from` is equal to `to` type except for collations and
nullability, which are
+ * both checked to be compatible so that data of type `from` can be
interpreted as of type `to`.
+ */
+ private[sql] def equalsIgnoreCompatibleCollationAndNullability(
Review Comment:
Please check
https://github.com/apache/spark/pull/46734#discussion_r1615598800. Part of the
effort was to change the name of this method to
`equalsIgnoreCompatibleCollation`.
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