cursors.py 文件源码

def __init__(self, connection):
        '''
        Do not create an instance of a Cursor yourself. Call
        connections.Connection.cursor().
        '''
        from weakref import proxy
        self.connection = proxy(connection)
        self.description = None
        self.rownumber = 0
        self.rowcount = -1
        self.arraysize = 1
        self._executed = None
        self.messages = []
        self.errorhandler = connection.errorhandler
        self._has_next = None
        self._rows = ()