paleolimbot commented on code in PR #12323:
URL: https://github.com/apache/arrow/pull/12323#discussion_r850428504
##########
r/src/csv.cpp:
##########
@@ -162,7 +164,19 @@ std::shared_ptr<arrow::csv::TableReader>
csv___TableReader__Make(
// [[arrow::export]]
std::shared_ptr<arrow::Table> csv___TableReader__Read(
const std::shared_ptr<arrow::csv::TableReader>& table_reader) {
- return ValueOrStop(table_reader->Read());
+ std::thread* thread_ptr;
+ auto result = RunWithCapturedR<std::shared_ptr<arrow::Table>>([&]() {
+ auto fut = arrow::Future<std::shared_ptr<arrow::Table>>::Make();
+
+ thread_ptr = new std::thread([&] { fut.MarkFinished(table_reader->Read());
});
+
+ return fut;
+ });
+
+ thread_ptr->join();
+ delete thread_ptr;
+
+ return ValueOrStop(result);
}
Review Comment:
Actually, `table_reader->ReadAsync()` seems to crash (or at least the test
output abruptly ends) on Windows (the method you suggested for the Feather
reader works fine though).
-
https://github.com/apache/arrow/runs/5996202038?check_suite_focus=true#step:23:4464
-
https://github.com/apache/arrow/runs/5996202147?check_suite_focus=true#step:23:3993
-
https://github.com/apache/arrow/runs/5996202233?check_suite_focus=true#step:23:3991
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