row display column

common/proto/tables_data.proto

@@ -241,6 +241,11 @@ message GetTableDataResponse {
   // All values are returned as TEXT via col::TEXT and COALESCEed to empty string
   // (NULL becomes ""). The row is returned only if deleted = FALSE.
   map<string, string> data = 1;
+
+  // Configured human-readable value for this row. Empty when that column is
+  // NULL/empty; clients should then visibly fall back to the row id.
+  string row_display_value = 2;
+  string row_display_column = 3;
 }
 
 // Count non-deleted rows.