gen_mysql change to static method, gen_pgsql added
gen_mysql change to static method, gen_pgsql added

git-svn-id: cc6bf778016782145e08f50c22fd3532de014314@13 eaaf3d48-7251-11de-8585-3f51e31374b7

darkredz/DooPHP,darkredz/DooPHP