v.dissolve: run aggregate_columns_exist_or_fatal() only if columns_to…

…_aggregate defined (#3416)
OSGeo · Feb 12, 2024 · 50a1f20 · 50a1f20
1 parent 4ea78a7
commit 50a1f20
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/scripts/v.dissolve/v.dissolve.py b/scripts/v.dissolve/v.dissolve.py
@@ -563,7 +563,8 @@ def main():
         user_aggregate_methods, aggregate_backend, provide_defaults=not result_columns
     )
     if not result_columns:
-        aggregate_columns_exist_or_fatal(input_vector, layer, columns_to_aggregate)
+        if columns_to_aggregate:
+            aggregate_columns_exist_or_fatal(input_vector, layer, columns_to_aggregate)
         columns_to_aggregate, user_aggregate_methods = match_columns_and_methods(
             columns_to_aggregate, user_aggregate_methods
         )