Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/19800#discussion_r152794103
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/OrderingSuite.scala
---
@@ -156,4 +156,13 @@ class OrderingSuite extends SparkFunSuite with
ExpressionEvalHelper {
assert(genOrdering.compare(rowB1, rowB2) < 0)
}
}
+
+ test("SPARK-22591: GenerateOrdering shouldn't change ctx.INPUT_ROW") {
--- End diff --
I'm working to support wholestage codegen when generating expression codes
safe from 64k limit. When there is not `INPUT_ROW` in context but we wrongly
set a `INPUT_ROW` value, a non-existing `InternalRow i` will be added into
function parameters.
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