def fetchone()

in python-phoenixdb/phoenixdb/cursor.py [0:0]

• 13 lines of code
• 5 McCabe index (conditional complexity)

    def fetchone(self):
        if self._frame is None:
            raise ProgrammingError('No select statement was executed.')
        if self._pos is None:
            return None
        rows = self._frame.rows
        row = self._transform_row(rows[self._pos])
        self._pos += 1
        if self._pos >= len(rows):
            self._pos = None
            if not self._frame.done:
                self._fetch_next_frame()
        return row