Re: [PR] MINOR: [C++][FlightRPC] Clarify IsAutoUnique equivalence between ODBC 2.0 and 3.0+ [arrow]

["alinaliBQ (via GitHub)" <gi...@apache.org>]

alinaliBQ commented on code in PR #48689:
URL: https://github.com/apache/arrow/pull/48689#discussion_r2658316125


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cpp/src/arrow/flight/sql/odbc/odbc_impl/flight_sql_result_set_metadata.cc:
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@@ -222,7 +222,9 @@ Updatability FlightSqlResultSetMetadata::GetUpdatable(int column_position) {
 bool FlightSqlResultSetMetadata::IsAutoUnique(int column_position) {
   ColumnMetadata metadata = GetMetadata(schema_->field(column_position - 1));
 
-  // TODO: Is AutoUnique equivalent to AutoIncrement?
+  // AUTO_UNIQUE_VALUE (ODBC 3.0+) is equivalent to
+  // AUTO_INCREMENT (ODBC 2.0). Both indicate columns
+  // that automatically generate unique values.

Review Comment:
   Yes the statement is correct. 



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