Better solution for generating WHERE clause for message ranges

lib/nntp/tiny/message.py

@@ -77,10 +77,7 @@ class MessageRange():
 
         return "?"
 
-    def where(self, table=None):
-        prefix = '' if table is None else f"{table}."
-        column = prefix + 'id'
-
+    def where(self, column='id'):
         if self.id is not None:
             return "%s = %d" % (column, self.id)
 

lib/nntp/tiny/session.py

@@ -259,7 +259,7 @@ class Session():
         if len(args) > 1:
             msgrange = MessageRange.parse(args[1])
 
-            sql += " and " + msgrange.where()
+            sql += " and " + msgrange.where('message_id')
 
         summary = self._newsgroup_summary(newsgroup)
         cr      = self.db.execute(sql, (newsgroup.id,))
@@ -547,7 +547,7 @@ class Session():
                     and newsgroup_message.newsgroup_id = ?
             """
 
-            sql += " and " + msgrange.where('message')
+            sql += " and " + msgrange.where('newsgroup_message.message_id')
 
             cr = self.db.query_sql(Message, sql, (self.newsgroup.id,))