rtpsw commented on code in PR #34311:
URL: https://github.com/apache/arrow/pull/34311#discussion_r1117567499
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cpp/src/arrow/compute/exec/aggregate_node.cc:
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@@ -282,12 +396,19 @@ class ScalarAggregateNode : public ExecNode, public
TracedNode {
auto scope = TraceInputReceived(batch);
DCHECK_EQ(input, inputs_[0]);
- auto thread_index = plan_->query_context()->GetThreadIndex();
-
- ARROW_RETURN_NOT_OK(DoConsume(ExecSpan(batch), thread_index));
+ auto handler = [this](const ExecBatch& full_batch, const GroupingSegment&
segment) {
+ if (!segment.extends && segment.offset == 0)
RETURN_NOT_OK(OutputResult());
+ auto exec_batch = full_batch.Slice(segment.offset, segment.length);
+ auto batch = ExecSpan(exec_batch);
+ RETURN_NOT_OK(DoConsume(batch,
plan_->query_context()->GetThreadIndex()));
Review Comment:
Before, `thread_index` was not within a lambda. I'll fix this to be similar
to the original code.
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