dongjoon-hyun commented on code in PR #42616:
URL: https://github.com/apache/spark/pull/42616#discussion_r1302172275
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala:
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@@ -4674,23 +4674,34 @@ case class ArrayExcept(left: Expression, right:
Expression) extends ArrayBinaryL
@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 index is negative.
+ Array indices start at 1. The maximum negative index is -1 for which the
function inserts
Review Comment:
Thanks!
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