Daniel-Davies commented on code in PR #39975:
URL: https://github.com/apache/spark/pull/39975#discussion_r1105111637
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala:
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@@ -4601,9 +4601,13 @@ case class ArrayExcept(left: Expression, right:
Expression) extends ArrayBinaryL
newLeft: Expression, newRight: Expression): ArrayExcept = copy(left =
newLeft, right = newRight)
}
-// scalastyle:off line.size.limit
@ExpressionDescription(
- usage = "_FUNC_(x, pos, val) - Places val into index pos of array x (array
indices start at 1, or start from the end if start is negative).\",",
+ usage = """
+ _FUNC_(x, pos, val) - Places val into index pos of array x.
+ Array indices start at 1, or start from the end if index is negative.
+ Index specified beyond the size of the current array (plus additional
element)
Review Comment:
Good catch, the old description didn't capture this case too well. I've
amended with a new one- let me know if that makes more sense.
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