uros-db commented on code in PR #47847:
URL: https://github.com/apache/spark/pull/47847#discussion_r1726993976
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CollationTypeCasts.scala:
##########
@@ -90,6 +90,15 @@ object CollationTypeCasts extends TypeCoercionRule {
val newValues = collateToSingleType(mapCreate.values)
mapCreate.withNewChildren(newKeys.zip(newValues).flatMap(pair =>
Seq(pair._1, pair._2)))
+ case levenshtein: Levenshtein =>
+ val Seq(left, right) = Seq(levenshtein.children.head,
levenshtein.children(1))
+ val Seq(newLeft, newRight) = collateToSingleType(Seq(left, right))
+ if (levenshtein.children.size == 2) {
+ levenshtein.withNewChildren(Seq(newLeft, newRight))
+ } else {
+ levenshtein.withNewChildren(Seq(newLeft, newRight,
levenshtein.children(2)))
+ }
Review Comment:
should we enforce this for Levenshtein? I remember we had a discussion about
this at one point @nikolamand-db
--
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]
