module dbal.defined; import dbal; enum JoinMethod : string { InnerJoin = " INNER JOIN ", LeftJoin = " LEFT JOIN ", RightJoin = " RIGHT JOIN ", FullJoin = " FULL JOIN ", CrossJoin = " CROSS JOIN ", } enum Method : string { Select = " SELECT ", Insert = " INSERT ", Update = " UPDATE ", Delete = " DELETE FROM" } enum Relation : string { And = " AND ", Or = " OR " } enum CompareType : string { eq = " = ", ne = " != ", gt = " > ", lt = " < ", ge = " >= ", le = " <= ", eqnull = " is ", nenull = " is not ", like = " like " }