Github user mgaido91 commented on a diff in the pull request:
https://github.com/apache/spark/pull/19563#discussion_r147084523
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/hash.scala
---
@@ -389,9 +389,15 @@ abstract class HashExpression[E] extends Expression {
input: String,
result: String,
fields: Array[StructField]): String = {
- fields.zipWithIndex.map { case (field, index) =>
+ val hashes = fields.zipWithIndex.map { case (field, index) =>
nullSafeElementHash(input, index.toString, field.nullable,
field.dataType, result, ctx)
- }.mkString("\n")
+ }
+ val args = if (ctx.INPUT_ROW != null) {
+ Seq(("InternalRow", input), ("InternalRow", ctx.INPUT_ROW))
--- End diff --
sorry, I cannot understand why you need to pass `ctx.INPUT_ROW` as an
argument, might you please explain me? Thanks.
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