cloud-fan commented on code in PR #45422:
URL: https://github.com/apache/spark/pull/45422#discussion_r1526067004
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/TypeCoercion.scala:
##########
@@ -994,8 +994,10 @@ object TypeCoercion extends TypeCoercionBase {
case (StringType, datetime: DatetimeType) => datetime
case (StringType, AnyTimestampType) =>
AnyTimestampType.defaultConcreteType
case (StringType, BinaryType) => BinaryType
+ case (st: StringType, StringType) => st
// Cast any atomic type to string.
case (any: AtomicType, StringType) if any != StringType => StringType
Review Comment:
is it possible that a function uses `StringType(id)` as the expected input
type? i.e. only allow string with certain collation id.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
