__init__.py 文件源码

def __Offset(self):
    """Consume the OFFSET clause."""
    if self.__Accept('OFFSET'):
      if self.__offset != -1:
        self.__Error('Offset already defined in LIMIT clause')


      offset = self.__AcceptRegex(self.__number_regex)

      if offset:

        self.__offset = int(offset)
        if self.__offset < 0:


          self.__Error('Bad offset in OFFSET clause')
        else:
          logging.log(LOG_LEVEL, 'Set offset to %i', self.__offset)
      else:
        self.__Error('Non-number offset in OFFSET clause')

    return self.__Hint()