uros-db commented on code in PR #45856: URL: https://github.com/apache/spark/pull/45856#discussion_r1552938423
########## sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/regexpExpressions.scala: ########## @@ -543,25 +543,40 @@ case class RLike(left: Expression, right: Expression) extends StringRegexExpress case class StringSplit(str: Expression, regex: Expression, limit: Expression) extends TernaryExpression with ImplicitCastInputTypes with NullIntolerant { - override def dataType: DataType = ArrayType(StringType, containsNull = false) - override def inputTypes: Seq[DataType] = Seq(StringType, StringType, IntegerType) + override def dataType: DataType = ArrayType(str.dataType, containsNull = false) + override def inputTypes: Seq[AbstractDataType] = + Seq(StringTypeBinaryLcase, StringTypeAnyCollation, IntegerType) Review Comment: what does it mean for "regex" to be of type `StringTypeAnyCollation`, as it doesn't seem to me that collation is respected/needed for this parameter to begin with? for example, consider: `[,]` with UNICODE_CI collation -- 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: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org