mapleFU opened a new issue, #39920:
URL: https://github.com/apache/arrow/issues/39920
### Describe the enhancement requested
```c++
diff --git a/cpp/src/arrow/dataset/scanner.cc
b/cpp/src/arrow/dataset/scanner.cc
index 18981d145..87e1b2c92 100644
--- a/cpp/src/arrow/dataset/scanner.cc
+++ b/cpp/src/arrow/dataset/scanner.cc
@@ -466,7 +466,7 @@ Result<EnumeratedRecordBatchGenerator>
AsyncScanner::ScanBatchesUnorderedAsync(
std::shared_ptr<void> stop_producing{
nullptr, [plan, exec_context](...) {
bool not_finished_yet = plan->finished().TryAddCallback(
- [&plan, &exec_context] { return [plan, exec_context](const
Status&) {}; });
+ [plan, exec_context] { return [plan, exec_context](const
Status&) {}; });
if (not_finished_yet) {
plan->StopProducing();
```
I found the code above, would using `&plan` `&exec_context`. Would this hit
lifetime problem? Or `plan->StopProducing()` would be safe here?
### Component(s)
C++
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