Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/21621#discussion_r197611537 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala --- @@ -199,7 +199,7 @@ case class ArraysZip(children: Seq[Expression]) extends Expression with ExpectsI """.stripMargin } - val splittedGetValuesAndCardinalities = ctx.splitExpressions( + val splittedGetValuesAndCardinalities = ctx.splitExpressionsWithCurrentInputs( --- End diff -- LGTM. Direct call of `splitExpressions` here has two problems: 1. `splitExpressions` can't work under wholestage codegen. 2. current row input is ignored in `arguments` for non wholestage codegen.
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