Using the TinyTablePlus properties editor, I noticed that whenever I specified a key column which had a non-string type, for instance with vol_id*:int .... (adding the '*' after the name) and submitted this, the column spec would come back as vol_id:int .... as if vol_id had not been turned into a key column. This is due to a bug in method cols_text (), which is called by Edit.dtml to show the column spec. cols_text () was never recognizing such explicitly typed columns as keys because it was searching their names in the key columns list AFTER appending the ":type" suffix. This is solved by a simple patch to TinyTablePlus.py: --- TinyTablePlus.py~ Thu Apr 13 16:30:00 2000 +++ TinyTablePlus.py Fri Jan 11 14:03:01 2002 @@ -516,10 +516,10 @@ for i in range(0, self.n_cols): # Modified by SDH for key_cols. - name = self._col_names[i] + TypeNames[self._types[i]] + name = self._col_names[i] if hasattr(self, '_key_cols') and name in self._key_cols: name = name + '*' - l.append(name) + l.append(name + TypeNames[self._types[i]]) return string.join(l, ' ')