Set raise error to DbError

Thanks! Much more user-friendly.

Co-authored-by: Nyall Dawson <[email protected]>

python/plugins/db_manager/db_plugins/postgis/connector.py

@@ -1018,7 +1018,7 @@ def createView(self, view, query):
 
         if len(view_name_parts) > 2:
             # Raise an error when more than one period is used.
-            raise ValueError("Invalid view name: Please use the format 'schema.viewname', or enter only the viewname for the public schema.")
+            raise DbError("Invalid view name: Please use the format 'schema.viewname', or enter only the viewname for the public schema.")
         elif len(view_name_parts) == 2:  # To allow view creation into specified schema
             schema, view_name = view_name_parts
             sql = "CREATE VIEW %s AS %s" % (self.quoteId([schema, view_name]), query)