nealrichardson commented on code in PR #13514:
URL: https://github.com/apache/arrow/pull/13514#discussion_r914102910
##########
r/src/dataset.cpp:
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@@ -511,8 +511,8 @@ std::shared_ptr<arrow::Table> dataset___Scanner__TakeRows(
}
// [[dataset::export]]
-int64_t dataset___Scanner__CountRows(const std::shared_ptr<ds::Scanner>&
scanner) {
- return ValueOrStop(scanner->CountRows());
+r_vec_size dataset___Scanner__CountRows(const std::shared_ptr<ds::Scanner>&
scanner) {
+ return r_vec_size(ValueOrStop(scanner->CountRows()));
Review Comment:
This way is right IIUC; you need `ValueOrStop()` to pull the actual value
out of the Result<> object
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