'''A dict that automatically makes inserted entries Col objects'''

    '''For params, see dict()'''

        dict.__init__(self, *args, **kw_args)

        self.table = keys_table

    def __getitem__(self, key):

        return dict.__getitem__(self, self._key(key))

    def __setitem__(self, key, value):

    def update(self, dict_):

        for key, value in dict_.iteritems(): self[key] = value

    '''Recovers from errors.

    Only works under PostgreSQL (uses INSERT RETURNING).

    '''

    if pkey_ == None: pkey_ = pkey(db, table, recover=True)

    try:

    @return sql_gen.Col Where the output pkeys are made available

    '''

    out_table = sql_gen.as_Table(out_table)

    def log_debug(msg): db.log_debug(msg, level=1.5)

    def col_ustr(str_):

    insert_in_pkeys = insert_pkeys_table('in')

    # Do inserts and selects

    while True:

        if limit_ref[0] == 0: # special case

            log_debug('Creating an empty pkeys table')