lidavidm commented on code in PR #47991:
URL: https://github.com/apache/arrow/pull/47991#discussion_r2525901087
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cpp/src/arrow/flight/sql/odbc/odbc_impl/flight_sql_get_type_info_reader.cc:
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@@ -28,6 +28,7 @@ namespace arrow::flight::sql::odbc {
using arrow::internal::checked_pointer_cast;
using std::nullopt;
+using std::optional;
Review Comment:
not necessarily a blocker here but generally I think we avoid `using` types
from `std`.
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