maropu commented on a change in pull request #25666: [SPARK-28962][SQL] Provide
index argument to filter lambda functions
URL: https://github.com/apache/spark/pull/25666#discussion_r369990133
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/higherOrderFunctions.scala
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@@ -344,8 +344,13 @@ case class MapFilter(
Examples:
> SELECT _FUNC_(array(1, 2, 3), x -> x % 2 == 1);
[1,3]
+ > SELECT _FUNC_(array(0, 2, 3), (x, i) -> x > i);
Review comment:
I remember there was the (not-merged) PR to standardize one-based column
indexes in built-in funcs: https://github.com/apache/spark/pull/24051
Better to fix them up for consistency?
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