mkaravel commented on code in PR #45064:
URL: https://github.com/apache/spark/pull/45064#discussion_r1483409046
##########
sql/api/src/main/scala/org/apache/spark/sql/types/StringType.scala:
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@@ -26,7 +27,27 @@ import org.apache.spark.annotation.Stable
* @param collationId The id of collation for this StringType.
*/
@Stable
-class StringType private(val collationId: Int) extends AtomicType {
+class StringType private(val collationId: Int) extends AtomicType with
Serializable {
+ /**
+ * Returns whether assigned collation is the default spark collation
(UCS_BASIC).
+ */
+ private def isDefaultCollation: Boolean = collationId ==
StringType.DEFAULT_COLLATION_ID
Review Comment:
Why not making this public? It might be useful in other places.
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