[FEATURE] Navicat SQL导入支持

[lin0306]

希望可以支持成功将Navicat的SQL导入，目前使用【导入SQL源代码】导入Navicat生成的sql文件失败，错误提示：SyntaxError [Ln 1, Col 11]: Expected "#", "--", "/*", ":=", "=", or [ \t\n\r] but "u" found.