public static DvlSqlFromExpression FromExp(DvlSqlFullSelectExpression select, string @as) => new DvlSqlFromExpression(select, @as);
public static DvlSqlExistsExpression ExistsExp(DvlSqlFullSelectExpression select) => new DvlSqlExistsExpression(select);
public ISelector From(DvlSqlFullSelectExpression @select, string @as) { this.CurrFullSelectExpression.From = new DvlSqlFromExpression(@select, @as); return(this); }