Github user nongli commented on a diff in the pull request:
https://github.com/apache/spark/pull/12345#discussion_r59814567
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/TungstenAggregate.scala
---
@@ -437,17 +444,21 @@ case class TungstenAggregate(
val initAgg = ctx.freshName("initAgg")
ctx.addMutableState("boolean", initAgg, s"$initAgg = false;")
- // create AggregateHashMap
- val isAggregateHashMapEnabled: Boolean = false
- val isAggregateHashMapSupported: Boolean =
+ // We currently only enable vectorized hashmap for long key/value types
+ isVectorizedHashMapEnabled = isVectorizedHashMapEnabled &&
--- End diff --
I think it's weird that you have the check split between here and line 268.
maybe combine all these checks to 268 and make isVecdtorizedEnabled a val.
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