srielau commented on code in PR #38867:
URL: https://github.com/apache/spark/pull/38867#discussion_r1090939773
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala:
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@@ -4601,6 +4601,247 @@ case class ArrayExcept(left: Expression, right:
Expression) extends ArrayBinaryL
newLeft: Expression, newRight: Expression): ArrayExcept = copy(left =
newLeft, right = newRight)
}
+@ExpressionDescription(
+ usage = "_FUNC_(x, pos, val) - Places val into index pos of array x (array
indices start at 0)",
Review Comment:
We are right now a bit broken, but the "ones" have it IMHO
0 based:
- get() (introduced a a fallback as Wenchen notes)
- posexpode()
- posexplode_outer()
1 based:
- []
- array_position()
- element_at()
- try_element_at()
- slice()
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