test_types_basic.py 文件源码

def testByteaHexCheckFalsePositive(self):
        # the check \x -> x to detect bad bytea decode
        # may be fooled if the first char is really an 'x'
        o1 = psycopg2.Binary(b('x'))
        o2 = self.execute("SELECT %s::bytea AS foo", (o1,))
        self.assertEqual(b('x'), o2[0])