标签:
代码片段:
sql_url = "select * from webpage where url = ‘%s‘" % b try: cursor.execute(sql_url) results = cursor.fetchall() except Exception, e: print e pass
系统:centos
语言:python
报错信息:
(1064, "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘‘‘‘ at line 1")
报错信息说 在‘“‘附近有语法错误,
但是大部分数据都很顺利的跑起来,然后我把错误时候的那条数据给打印出来,发现那个url后面有 xxx=‘xxxxxxxx‘
所以把这个url塞进sql语句,就成了 select * from webpage where url =‘http://www.baidu.com/index.html?xxx=‘xxxxxxxxx‘‘
哈哈,看出来了吧?
那个参数的后单引号和url的后单引号合并在一起了,本来是2个的,结果成1个了。
正确的写法是:
sql_url = ‘select * from webpage where url = "%s"‘ % b
标签:
原文地址:http://www.cnblogs.com/HpuAcmer/p/4211824.html