def __get_by_info(post_id, catalog_id):
        '''
        Geo the record by post and catalog.
        '''
        recs = TabPost2Tag.select().where(
            (TabPost2Tag.post_id == post_id) &
            (TabPost2Tag.tag_id == catalog_id)
        )

        if recs.count() == 1:
            return recs.get()
        elif recs.count() > 1:
            # return the first one, and delete others.
            out_rec = None
            for rec in recs:
                if out_rec:
                    entry = TabPost2Tag.delete().where(
                        TabPost2Tag.uid == rec.uid
                    )
                    entry.execute()
                else:
                    out_rec = rec
            return out_rec
        return None
def __get_by_info ( post_id , catalog_id ) : recs = TabPost2Tag . select ( ) . where ( ( TabPost2Tag . post_id == post_id ) & ( TabPost2Tag . tag_id == catalog_id ) ) if recs . count ( ) == 1 : return recs . get ( ) elif recs . count ( ) > 1 : out_rec = None for rec in recs : if out_rec : entry = TabPost2Tag . delete ( ) . where ( TabPost2Tag . uid == rec . uid ) entry . execute ( ) else : out_rec = rec return out_rec return None
Geo the record by post and catalog.