aucahuasi commented on a change in pull request #11923:
URL: https://github.com/apache/arrow/pull/11923#discussion_r768695291
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File path: cpp/src/arrow/compute/exec/aggregate_node.cc
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@@ -175,18 +175,21 @@ class ScalarAggregateNode : public ExecNode {
return Status::OK();
}
- void InputReceived(ExecNode* input, ExecBatch batch) override {
+ void InputReceived(ExecNode* input, std::function<Result<ExecBatch>()> task)
override {
DCHECK_EQ(input, inputs_[0]);
auto thread_index = get_thread_index_();
-
- if (ErrorIfNotOk(DoConsume(std::move(batch), thread_index))) return;
+ auto prev = task();
+ if (!prev.ok()) {
+ ErrorIfNotOk(prev.status());
+ return;
+ }
+ if (ErrorIfNotOk(DoConsume(prev.MoveValueUnsafe(), thread_index))) return;
Review comment:
> plan_->scheduler()->SubmitTask(std::move(func));
Yes that is the idea, but this PR is to enable that construction later, this
PR is not going to define any scheduler or submitting logic.
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