sarutak commented on a change in pull request #32786:
URL: https://github.com/apache/spark/pull/32786#discussion_r648145444
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/AggregatingAccumulator.scala
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@@ -95,13 +95,13 @@ class AggregatingAccumulator private(
/**
* Driver side operations like `merge` and `value` are executed in the
DAGScheduler thread. This
- * thread does not have a SQL configuration so we attach our own here. Note
that we can't (and
- * shouldn't) call `merge` or `value` on an accumulator originating from an
executor so we just
- * return a default value here.
+ * thread does not have a SQL configuration so we attach our own here.
*/
private[this] def withSQLConf[T](default: => T)(body: => T): T = {
Review comment:
I see. Then, we don't need to check the condition `TaskContext.get !=
null`.
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