Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/15745#discussion_r86850265
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/HashExpressionsSuite.scala
---
@@ -124,6 +125,22 @@ class HashExpressionsSuite extends SparkFunSuite with
ExpressionEvalHelper {
new StructType().add("array", arrayOfString).add("map",
mapOfString))
.add("structOfUDT", structOfUDT))
+ test("SPARK-18207: Compute hash for a lot of expressions") {
+ val N = 1000
+ val wideRow = new GenericInternalRow(
--- End diff --
Where are you using the wideRow?
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