Fixes some bugs in Db/Query/Mysql.js
Fixes some bugs in Db/Query/Mysql.js

Qbix/Platform,EGreg/Platform,AndreyTepaykin/Platform,EGreg/Platform,AndreyTepaykin/Platform,EGreg/Platform,EGreg/Platform,Qbix/Platform,Qbix/Platform,Qbix/Platform,AndreyTepaykin/Platform,AndreyTepaykin/Platform