SQL: select count(*) userNum from pre_common_member where username='qweqweqweqweqweqweqweqweqweqweqweqweqweqweqweqqqweqweqweqweqweg\'
Error: 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 ''qweqweqweqweqweqweqweqweqweqweqweqweqweqweqweqqqweqweqweqweqweg\'' at line 1
Errno.: 1064