Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/7566#discussion_r35290666
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringOperations.scala
---
@@ -771,7 +771,6 @@ case class Levenshtein(left: Expression, right:
Expression) extends BinaryExpres
override def inputTypes: Seq[AbstractDataType] = Seq(StringType,
StringType)
override def dataType: DataType = IntegerType
-
--- End diff --
This probably unnecessary change, but not a big deal.
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