transactions.py 文件源码

def CheckRollbackCursorConsistency(self):
        """
        Checks if cursors on the connection are set into a "reset" state
        when a rollback is done on the connection.
        """
        con = sqlite.connect(":memory:")
        cur = con.cursor()
        cur.execute("create table test(x)")
        cur.execute("insert into test(x) values (5)")
        cur.execute("select 1 union select 2 union select 3")

        con.rollback()
        try:
            cur.fetchall()
            self.fail("InterfaceError should have been raised")
        except sqlite.InterfaceError as e:
            pass
        except:
            self.fail("InterfaceError should have been raised")