diff --git a/orm/db.go b/orm/db.go
index 4fa2b467..2958e345 100644
--- a/orm/db.go
+++ b/orm/db.go
@@ -49,10 +49,17 @@ type dbBase struct {
 	ins dbBaser
 }
 
-func (d *dbBase) collectValues(mi *modelInfo, ind reflect.Value, skipAuto bool, insert bool, tz *time.Location) (columns []string, values []interface{}, err error) {
+var _ dbBaser = new(dbBase)
+
+func (d *dbBase) collectValues(mi *modelInfo, ind reflect.Value, cols []string, skipAuto bool, insert bool, tz *time.Location) (columns []string, values []interface{}, err error) {
 	_, pkValue, _ := getExistPk(mi, ind)
-	for _, column := range mi.fields.orders {
-		fi := mi.fields.columns[column]
+	for _, column := range cols {
+		var fi *fieldInfo
+		if fi, _ = mi.fields.GetByAny(column); fi != nil {
+			column = fi.column
+		} else {
+			panic(fmt.Sprintf("wrong db field/column name `%s` for model `%s`", column, mi.fullName))
+		}
 		if fi.dbcol == false || fi.auto && skipAuto {
 			continue
 		}
@@ -160,7 +167,7 @@ func (d *dbBase) PrepareInsert(q dbQuerier, mi *modelInfo) (stmtQuerier, string,
 }
 
 func (d *dbBase) InsertStmt(stmt stmtQuerier, mi *modelInfo, ind reflect.Value, tz *time.Location) (int64, error) {
-	_, values, err := d.collectValues(mi, ind, true, true, tz)
+	_, values, err := d.collectValues(mi, ind, mi.fields.dbcols, true, true, tz)
 	if err != nil {
 		return 0, err
 	}
@@ -179,10 +186,25 @@ func (d *dbBase) InsertStmt(stmt stmtQuerier, mi *modelInfo, ind reflect.Value,
 	}
 }
 
-func (d *dbBase) Read(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Location) error {
-	pkColumn, pkValue, ok := getExistPk(mi, ind)
-	if ok == false {
-		return ErrMissPK
+func (d *dbBase) Read(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Location, cols []string) error {
+	var whereCols []string
+	var args []interface{}
+
+	// if specify cols length > 0, then use it for where condition.
+	if len(cols) > 0 {
+		var err error
+		whereCols, args, err = d.collectValues(mi, ind, cols, false, false, tz)
+		if err != nil {
+			return err
+		}
+	} else {
+		// default use pk value as where condtion.
+		pkColumn, pkValue, ok := getExistPk(mi, ind)
+		if ok == false {
+			return ErrMissPK
+		}
+		whereCols = append(whereCols, pkColumn)
+		args = append(args, pkValue)
 	}
 
 	Q := d.ins.TableQuote()
@@ -191,7 +213,10 @@ func (d *dbBase) Read(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Lo
 	sels := strings.Join(mi.fields.dbcols, sep)
 	colsNum := len(mi.fields.dbcols)
 
-	query := fmt.Sprintf("SELECT %s%s%s FROM %s%s%s WHERE %s%s%s = ?", Q, sels, Q, Q, mi.table, Q, Q, pkColumn, Q)
+	sep = fmt.Sprintf("%s = ? AND %s", Q, Q)
+	wheres := strings.Join(whereCols, sep)
+
+	query := fmt.Sprintf("SELECT %s%s%s FROM %s%s%s WHERE %s%s%s = ?", Q, sels, Q, Q, mi.table, Q, Q, wheres, Q)
 
 	refs := make([]interface{}, colsNum)
 	for i, _ := range refs {
@@ -201,7 +226,7 @@ func (d *dbBase) Read(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Lo
 
 	d.ins.ReplaceMarks(&query)
 
-	row := q.QueryRow(query, pkValue)
+	row := q.QueryRow(query, args...)
 	if err := row.Scan(refs...); err != nil {
 		if err == sql.ErrNoRows {
 			return ErrNoRows
@@ -220,7 +245,7 @@ func (d *dbBase) Read(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Lo
 }
 
 func (d *dbBase) Insert(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Location) (int64, error) {
-	names, values, err := d.collectValues(mi, ind, true, true, tz)
+	names, values, err := d.collectValues(mi, ind, mi.fields.dbcols, true, true, tz)
 	if err != nil {
 		return 0, err
 	}
@@ -254,12 +279,18 @@ func (d *dbBase) Insert(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.
 	}
 }
 
-func (d *dbBase) Update(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Location) (int64, error) {
+func (d *dbBase) Update(q dbQuerier, mi *modelInfo, ind reflect.Value, tz *time.Location, cols []string) (int64, error) {
 	pkName, pkValue, ok := getExistPk(mi, ind)
 	if ok == false {
 		return 0, ErrMissPK
 	}
-	setNames, setValues, err := d.collectValues(mi, ind, true, false, tz)
+
+	// if specify cols length is zero, then commit all columns.
+	if len(cols) == 0 {
+		cols = mi.fields.dbcols
+	}
+
+	setNames, setValues, err := d.collectValues(mi, ind, cols, true, false, tz)
 	if err != nil {
 		return 0, err
 	}
@@ -473,7 +504,7 @@ func (d *dbBase) DeleteBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Con
 	return 0, nil
 }
 
-func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condition, container interface{}, tz *time.Location) (int64, error) {
+func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condition, container interface{}, tz *time.Location, cols []string) (int64, error) {
 
 	val := reflect.ValueOf(container)
 	ind := reflect.Indirect(val)
@@ -513,6 +544,41 @@ func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condi
 
 	Q := d.ins.TableQuote()
 
+	var tCols []string
+	if len(cols) > 0 {
+		hasRel := len(qs.related) > 0 || qs.relDepth > 0
+		tCols = make([]string, 0, len(cols))
+		var maps map[string]bool
+		if hasRel {
+			maps = make(map[string]bool)
+		}
+		for _, col := range cols {
+			if fi, ok := mi.fields.GetByAny(col); ok {
+				tCols = append(tCols, fi.column)
+				if hasRel {
+					maps[fi.column] = true
+				}
+			} else {
+				panic(fmt.Sprintf("wrong field/column name `%s`", col))
+			}
+		}
+		if hasRel {
+			for _, fi := range mi.fields.fieldsDB {
+				if fi.fieldType&IsRelField > 0 {
+					if maps[fi.column] == false {
+						tCols = append(tCols, fi.column)
+					}
+				}
+			}
+		}
+	} else {
+		tCols = mi.fields.dbcols
+	}
+
+	colsNum := len(tCols)
+	sep := fmt.Sprintf("%s, T0.%s", Q, Q)
+	sels := fmt.Sprintf("T0.%s%s%s", Q, strings.Join(tCols, sep), Q)
+
 	tables := newDbTables(mi, d.ins)
 	tables.parseRelated(qs.related, qs.relDepth)
 
@@ -521,18 +587,15 @@ func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condi
 	limit := tables.getLimitSql(mi, offset, rlimit)
 	join := tables.getJoinSql()
 
-	colsNum := len(mi.fields.dbcols)
-	sep := fmt.Sprintf("%s, T0.%s", Q, Q)
-	cols := fmt.Sprintf("T0.%s%s%s", Q, strings.Join(mi.fields.dbcols, sep), Q)
 	for _, tbl := range tables.tables {
 		if tbl.sel {
 			colsNum += len(tbl.mi.fields.dbcols)
 			sep := fmt.Sprintf("%s, %s.%s", Q, tbl.index, Q)
-			cols += fmt.Sprintf(", %s.%s%s%s", tbl.index, Q, strings.Join(tbl.mi.fields.dbcols, sep), Q)
+			sels += fmt.Sprintf(", %s.%s%s%s", tbl.index, Q, strings.Join(tbl.mi.fields.dbcols, sep), Q)
 		}
 	}
 
-	query := fmt.Sprintf("SELECT %s FROM %s%s%s T0 %s%s%s%s", cols, Q, mi.table, Q, join, where, orderBy, limit)
+	query := fmt.Sprintf("SELECT %s FROM %s%s%s T0 %s%s%s%s", sels, Q, mi.table, Q, join, where, orderBy, limit)
 
 	d.ins.ReplaceMarks(&query)
 
@@ -565,8 +628,8 @@ func (d *dbBase) ReadBatch(q dbQuerier, qs *querySet, mi *modelInfo, cond *Condi
 			cacheM := make(map[string]*modelInfo)
 			trefs := refs
 
-			d.setColsValues(mi, &mind, mi.fields.dbcols, refs[:len(mi.fields.dbcols)], tz)
-			trefs = refs[len(mi.fields.dbcols):]
+			d.setColsValues(mi, &mind, tCols, refs[:len(tCols)], tz)
+			trefs = refs[len(tCols):]
 
 			for _, tbl := range tables.tables {
 				if tbl.sel {
diff --git a/orm/orm.go b/orm/orm.go
index c4a52631..51cdc495 100644
--- a/orm/orm.go
+++ b/orm/orm.go
@@ -53,9 +53,9 @@ func (o *orm) getMiInd(md interface{}) (mi *modelInfo, ind reflect.Value) {
 	panic(fmt.Sprintf("<Ormer> table: `%s` not found, maybe not RegisterModel", name))
 }
 
-func (o *orm) Read(md interface{}) error {
+func (o *orm) Read(md interface{}, cols ...string) error {
 	mi, ind := o.getMiInd(md)
-	err := o.alias.DbBaser.Read(o.db, mi, ind, o.alias.TZ)
+	err := o.alias.DbBaser.Read(o.db, mi, ind, o.alias.TZ, cols)
 	if err != nil {
 		return err
 	}
@@ -80,9 +80,9 @@ func (o *orm) Insert(md interface{}) (int64, error) {
 	return id, nil
 }
 
-func (o *orm) Update(md interface{}) (int64, error) {
+func (o *orm) Update(md interface{}, cols ...string) (int64, error) {
 	mi, ind := o.getMiInd(md)
-	num, err := o.alias.DbBaser.Update(o.db, mi, ind, o.alias.TZ)
+	num, err := o.alias.DbBaser.Update(o.db, mi, ind, o.alias.TZ, cols)
 	if err != nil {
 		return num, err
 	}
diff --git a/orm/orm_queryset.go b/orm/orm_queryset.go
index 4e046bbf..61adaff8 100644
--- a/orm/orm_queryset.go
+++ b/orm/orm_queryset.go
@@ -105,12 +105,12 @@ func (o *querySet) PrepareInsert() (Inserter, error) {
 	return newInsertSet(o.orm, o.mi)
 }
 
-func (o *querySet) All(container interface{}) (int64, error) {
-	return o.orm.alias.DbBaser.ReadBatch(o.orm.db, o, o.mi, o.cond, container, o.orm.alias.TZ)
+func (o *querySet) All(container interface{}, cols ...string) (int64, error) {
+	return o.orm.alias.DbBaser.ReadBatch(o.orm.db, o, o.mi, o.cond, container, o.orm.alias.TZ, cols)
 }
 
-func (o *querySet) One(container interface{}) error {
-	num, err := o.orm.alias.DbBaser.ReadBatch(o.orm.db, o, o.mi, o.cond, container, o.orm.alias.TZ)
+func (o *querySet) One(container interface{}, cols ...string) error {
+	num, err := o.orm.alias.DbBaser.ReadBatch(o.orm.db, o, o.mi, o.cond, container, o.orm.alias.TZ, cols)
 	if err != nil {
 		return err
 	}
diff --git a/orm/orm_test.go b/orm/orm_test.go
index 92952fbf..d734b9fb 100644
--- a/orm/orm_test.go
+++ b/orm/orm_test.go
@@ -20,91 +20,40 @@ var (
 	test_DateTime = format_DateTime + " -0700"
 )
 
-type T_Code int
-
-const (
-	// =
-	T_Equal T_Code = iota
-	// <
-	T_Less
-	// >
-	T_Large
-	// elment in slice/array
-	// T_In
-	// key exists in map
-	// T_KeyExist
-	// index != -1
-	// T_Contain
-	// index == 0
-	// T_StartWith
-	// index == len(x) - 1
-	// T_EndWith
-)
-
-func ValuesCompare(is bool, a interface{}, o T_Code, args ...interface{}) (err error, ok bool) {
+func ValuesCompare(is bool, a interface{}, args ...interface{}) (err error, ok bool) {
 	if len(args) == 0 {
 		return fmt.Errorf("miss args"), false
 	}
 	b := args[0]
 	arg := argAny(args)
-	switch o {
-	case T_Equal:
-		switch v := a.(type) {
-		case reflect.Kind:
-			ok = reflect.ValueOf(b).Kind() == v
-		case time.Time:
-			if v2, vo := b.(time.Time); vo {
-				if arg.Get(1) != nil {
-					format := ToStr(arg.Get(1))
-					a = v.Format(format)
-					b = v2.Format(format)
-					ok = a == b
-				} else {
-					err = fmt.Errorf("compare datetime miss format")
-					goto wrongArg
-				}
-			}
-		default:
-			ok = ToStr(a) == ToStr(b)
-		}
-		ok = is && ok || !is && !ok
-		if !ok {
-			if is {
-				err = fmt.Errorf("expected: a == `%v`, get `%v`", b, a)
+
+	switch v := a.(type) {
+	case reflect.Kind:
+		ok = reflect.ValueOf(b).Kind() == v
+	case time.Time:
+		if v2, vo := b.(time.Time); vo {
+			if arg.Get(1) != nil {
+				format := ToStr(arg.Get(1))
+				a = v.Format(format)
+				b = v2.Format(format)
+				ok = a == b
 			} else {
-				err = fmt.Errorf("expected: a != `%v`, get `%v`", b, a)
+				err = fmt.Errorf("compare datetime miss format")
+				goto wrongArg
 			}
 		}
-	case T_Less, T_Large:
-		as := ToStr(a)
-		bs := ToStr(b)
-		f1, er := StrTo(as).Float64()
-		if er != nil {
-			err = fmt.Errorf("wrong type need numeric: `%v`", a)
-			goto wrongArg
-		}
-		f2, er := StrTo(bs).Float64()
-		if er != nil {
-			err = fmt.Errorf("wrong type need numeric: `%v`", b)
-			goto wrongArg
-		}
-		var opts []string
-		if o == T_Less {
-			opts = []string{"<", ">="}
-			ok = f1 < f2
+	default:
+		ok = ToStr(a) == ToStr(b)
+	}
+	ok = is && ok || !is && !ok
+	if !ok {
+		if is {
+			err = fmt.Errorf("expected: a == `%v`, get `%v`", b, a)
 		} else {
-			opts = []string{">", "<="}
-			ok = f1 > f2
-		}
-		ok = is && ok || !is && !ok
-		if !ok {
-			if is {
-				err = fmt.Errorf("should: a %s b, but a = `%v`, b = `%v`", opts[0], f1, f2)
-			} else {
-				err = fmt.Errorf("should: a %s b, but a = `%v`, b = `%v`", opts[1], f1, f2)
-			}
+			err = fmt.Errorf("expected: a != `%v`, get `%v`", b, a)
 		}
 	}
+
 wrongArg:
 	if err != nil {
 		return err, false
@@ -113,15 +62,15 @@ wrongArg:
 	return nil, true
 }
 
-func AssertIs(a interface{}, o T_Code, args ...interface{}) error {
-	if err, ok := ValuesCompare(true, a, o, args...); ok == false {
+func AssertIs(a interface{}, args ...interface{}) error {
+	if err, ok := ValuesCompare(true, a, args...); ok == false {
 		return err
 	}
 	return nil
 }
 
-func AssertNot(a interface{}, o T_Code, args ...interface{}) error {
-	if err, ok := ValuesCompare(false, a, o, args...); ok == false {
+func AssertNot(a interface{}, args ...interface{}) error {
+	if err, ok := ValuesCompare(false, a, args...); ok == false {
 		return err
 	}
 	return nil
@@ -224,12 +173,12 @@ func TestModelSyntax(t *testing.T) {
 	ind := reflect.ValueOf(user).Elem()
 	fn := getFullName(ind.Type())
 	mi, ok := modelCache.getByFN(fn)
-	throwFail(t, AssertIs(ok, T_Equal, true))
+	throwFail(t, AssertIs(ok, true))
 
 	mi, ok = modelCache.get("user")
-	throwFail(t, AssertIs(ok, T_Equal, true))
+	throwFail(t, AssertIs(ok, true))
 	if ok {
-		throwFail(t, AssertIs(mi.fields.GetByName("ShouldSkip") == nil, T_Equal, true))
+		throwFail(t, AssertIs(mi.fields.GetByName("ShouldSkip") == nil, true))
 	}
 }
 
@@ -267,7 +216,7 @@ func TestDataTypes(t *testing.T) {
 
 	id, err := dORM.Insert(&d)
 	throwFail(t, err)
-	throwFail(t, AssertIs(id, T_Equal, 1))
+	throwFail(t, AssertIs(id, 1))
 
 	d = Data{Id: 1}
 	err = dORM.Read(&d)
@@ -286,7 +235,7 @@ func TestDataTypes(t *testing.T) {
 			vu = vu.(time.Time).In(DefaultTimeLoc).Format(test_DateTime)
 			value = value.(time.Time).In(DefaultTimeLoc).Format(test_DateTime)
 		}
-		throwFail(t, AssertIs(vu == value, T_Equal, true), value, vu)
+		throwFail(t, AssertIs(vu == value, true), value, vu)
 	}
 }
 
@@ -301,7 +250,7 @@ func TestNullDataTypes(t *testing.T) {
 
 	id, err := dORM.Insert(&d)
 	throwFail(t, err)
-	throwFail(t, AssertIs(id, T_Equal, 1))
+	throwFail(t, AssertIs(id, 1))
 
 	d = DataNull{Id: 1}
 	err = dORM.Read(&d)
@@ -321,7 +270,7 @@ func TestCRUD(t *testing.T) {
 	profile.Money = 1234.12
 	id, err := dORM.Insert(profile)
 	throwFail(t, err)
-	throwFail(t, AssertIs(id, T_Equal, 1))
+	throwFail(t, AssertIs(id, 1))
 
 	user := NewUser()
 	user.UserName = "slene"
@@ -333,63 +282,77 @@ func TestCRUD(t *testing.T) {
 
 	id, err = dORM.Insert(user)
 	throwFail(t, err)
-	throwFail(t, AssertIs(id, T_Equal, 1))
+	throwFail(t, AssertIs(id, 1))
 
 	u := &User{Id: user.Id}
 	err = dORM.Read(u)
 	throwFail(t, err)
 
-	throwFail(t, AssertIs(u.UserName, T_Equal, "slene"))
-	throwFail(t, AssertIs(u.Email, T_Equal, "vslene@gmail.com"))
-	throwFail(t, AssertIs(u.Password, T_Equal, "pass"))
-	throwFail(t, AssertIs(u.Status, T_Equal, 3))
-	throwFail(t, AssertIs(u.IsStaff, T_Equal, true))
-	throwFail(t, AssertIs(u.IsActive, T_Equal, true))
-	throwFail(t, AssertIs(u.Created.In(DefaultTimeLoc), T_Equal, user.Created.In(DefaultTimeLoc), test_Date))
-	throwFail(t, AssertIs(u.Updated.In(DefaultTimeLoc), T_Equal, user.Updated.In(DefaultTimeLoc), test_DateTime))
+	throwFail(t, AssertIs(u.UserName, "slene"))
+	throwFail(t, AssertIs(u.Email, "vslene@gmail.com"))
+	throwFail(t, AssertIs(u.Password, "pass"))
+	throwFail(t, AssertIs(u.Status, 3))
+	throwFail(t, AssertIs(u.IsStaff, true))
+	throwFail(t, AssertIs(u.IsActive, true))
+	throwFail(t, AssertIs(u.Created.In(DefaultTimeLoc), user.Created.In(DefaultTimeLoc), test_Date))
+	throwFail(t, AssertIs(u.Updated.In(DefaultTimeLoc), user.Updated.In(DefaultTimeLoc), test_DateTime))
 
 	user.UserName = "astaxie"
 	user.Profile = profile
 	num, err := dORM.Update(user)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	u = &User{Id: user.Id}
 	err = dORM.Read(u)
-	throwFail(t, err)
+	throwFailNow(t, err)
+	throwFail(t, AssertIs(u.UserName, "astaxie"))
+	throwFail(t, AssertIs(u.Profile.Id, profile.Id))
 
-	if err == nil {
-		throwFail(t, AssertIs(u.UserName, T_Equal, "astaxie"))
-		throwFail(t, AssertIs(u.Profile.Id, T_Equal, profile.Id))
-	}
+	u = &User{UserName: "astaxie", Password: "pass"}
+	err = dORM.Read(u, "UserName")
+	throwFailNow(t, err)
+	throwFailNow(t, AssertIs(id, 1))
+
+	u.UserName = "QQ"
+	u.Password = "111"
+	num, err = dORM.Update(u, "UserName")
+	throwFail(t, err)
+	throwFail(t, AssertIs(num, 1))
+
+	u = &User{Id: user.Id}
+	err = dORM.Read(u)
+	throwFailNow(t, err)
+	throwFail(t, AssertIs(u.UserName, "QQ"))
+	throwFail(t, AssertIs(u.Password, "pass"))
 
 	num, err = dORM.Delete(profile)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	u = &User{Id: user.Id}
 	err = dORM.Read(u)
 	throwFail(t, err)
-	throwFail(t, AssertIs(true, T_Equal, u.Profile == nil))
+	throwFail(t, AssertIs(true, u.Profile == nil))
 
 	num, err = dORM.Delete(user)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	u = &User{Id: 100}
 	err = dORM.Read(u)
-	throwFail(t, AssertIs(err, T_Equal, ErrNoRows))
+	throwFail(t, AssertIs(err, ErrNoRows))
 
 	ub := UserBig{}
 	ub.Name = "name"
 	id, err = dORM.Insert(&ub)
 	throwFail(t, err)
-	throwFail(t, AssertIs(id, T_Equal, 1))
+	throwFail(t, AssertIs(id, 1))
 
 	ub = UserBig{Id: 1}
 	err = dORM.Read(&ub)
 	throwFail(t, err)
-	throwFail(t, AssertIs(ub.Name, T_Equal, "name"))
+	throwFail(t, AssertIs(ub.Name, "name"))
 }
 
 func TestInsertTestData(t *testing.T) {
@@ -401,7 +364,7 @@ func TestInsertTestData(t *testing.T) {
 
 	id, err := dORM.Insert(profile)
 	throwFail(t, err)
-	throwFail(t, AssertIs(id, T_Equal, 2))
+	throwFail(t, AssertIs(id, 2))
 
 	user := NewUser()
 	user.UserName = "slene"
@@ -416,7 +379,7 @@ func TestInsertTestData(t *testing.T) {
 
 	id, err = dORM.Insert(user)
 	throwFail(t, err)
-	throwFail(t, AssertIs(id, T_Equal, 2))
+	throwFail(t, AssertIs(id, 2))
 
 	profile = NewProfile()
 	profile.Age = 30
@@ -424,7 +387,7 @@ func TestInsertTestData(t *testing.T) {
 
 	id, err = dORM.Insert(profile)
 	throwFail(t, err)
-	throwFail(t, AssertIs(id, T_Equal, 3))
+	throwFail(t, AssertIs(id, 3))
 
 	user = NewUser()
 	user.UserName = "astaxie"
@@ -439,7 +402,7 @@ func TestInsertTestData(t *testing.T) {
 
 	id, err = dORM.Insert(user)
 	throwFail(t, err)
-	throwFail(t, AssertIs(id, T_Equal, 3))
+	throwFail(t, AssertIs(id, 3))
 
 	user = NewUser()
 	user.UserName = "nobody"
@@ -453,7 +416,7 @@ func TestInsertTestData(t *testing.T) {
 
 	id, err = dORM.Insert(user)
 	throwFail(t, err)
-	throwFail(t, AssertIs(id, T_Equal, 4))
+	throwFail(t, AssertIs(id, 4))
 
 	tags := []*Tag{
 		&Tag{Name: "golang"},
@@ -484,20 +447,20 @@ The program—and web server—godoc processes Go source files to extract docume
 	for _, tag := range tags {
 		id, err := dORM.Insert(tag)
 		throwFail(t, err)
-		throwFail(t, AssertIs(id, T_Large, 0))
+		throwFail(t, AssertIs(id > 0, true))
 	}
 
 	for _, post := range posts {
 		id, err := dORM.Insert(post)
 		throwFail(t, err)
-		throwFail(t, AssertIs(id, T_Large, 0))
+		throwFail(t, AssertIs(id > 0, true))
 		// dORM.M2mAdd(post, "tags", post.Tags)
 	}
 
 	for _, comment := range comments {
 		id, err := dORM.Insert(comment)
 		throwFail(t, err)
-		throwFail(t, AssertIs(id, T_Large, 0))
+		throwFail(t, AssertIs(id > 0, true))
 	}
 }
 
@@ -508,34 +471,34 @@ func TestExpr(t *testing.T) {
 	qs = dORM.QueryTable("user")
 	num, err := qs.Filter("UserName", "slene").Filter("user_name", "slene").Filter("profile__Age", 28).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	num, err = qs.Filter("created", time.Now()).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 3))
+	throwFail(t, AssertIs(num, 3))
 
 	num, err = qs.Filter("created", time.Now().Format(format_Date)).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 3))
+	throwFail(t, AssertIs(num, 3))
 }
 
 func TestOperators(t *testing.T) {
 	qs := dORM.QueryTable("user")
 	num, err := qs.Filter("user_name", "slene").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	num, err = qs.Filter("user_name__exact", "slene").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	num, err = qs.Filter("user_name__iexact", "Slene").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	num, err = qs.Filter("user_name__contains", "e").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 
 	var shouldNum int
 
@@ -547,35 +510,35 @@ func TestOperators(t *testing.T) {
 
 	num, err = qs.Filter("user_name__contains", "E").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, shouldNum))
+	throwFail(t, AssertIs(num, shouldNum))
 
 	num, err = qs.Filter("user_name__icontains", "E").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 
 	num, err = qs.Filter("user_name__icontains", "E").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 
 	num, err = qs.Filter("status__gt", 1).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 
 	num, err = qs.Filter("status__gte", 1).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 3))
+	throwFail(t, AssertIs(num, 3))
 
 	num, err = qs.Filter("status__lt", 3).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 
 	num, err = qs.Filter("status__lte", 3).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 3))
+	throwFail(t, AssertIs(num, 3))
 
 	num, err = qs.Filter("user_name__startswith", "s").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	if IsSqlite {
 		shouldNum = 1
@@ -585,15 +548,15 @@ func TestOperators(t *testing.T) {
 
 	num, err = qs.Filter("user_name__startswith", "S").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, shouldNum))
+	throwFail(t, AssertIs(num, shouldNum))
 
 	num, err = qs.Filter("user_name__istartswith", "S").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	num, err = qs.Filter("user_name__endswith", "e").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 
 	if IsSqlite {
 		shouldNum = 2
@@ -603,28 +566,28 @@ func TestOperators(t *testing.T) {
 
 	num, err = qs.Filter("user_name__endswith", "E").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, shouldNum))
+	throwFail(t, AssertIs(num, shouldNum))
 
 	num, err = qs.Filter("user_name__iendswith", "E").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 
 	num, err = qs.Filter("profile__isnull", true).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	num, err = qs.Filter("status__in", 1, 2).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 
 	num, err = qs.Filter("status__in", []int{1, 2}).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 
 	n1, n2 := 1, 2
 	num, err = qs.Filter("status__in", []*int{&n1}, &n2).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 }
 
 func TestAll(t *testing.T) {
@@ -632,41 +595,56 @@ func TestAll(t *testing.T) {
 	qs := dORM.QueryTable("user")
 	num, err := qs.OrderBy("Id").All(&users)
 	throwFail(t, err)
-	throwFailNow(t, AssertIs(num, T_Equal, 3))
+	throwFailNow(t, AssertIs(num, 3))
 
-	throwFail(t, AssertIs(users[0].UserName, T_Equal, "slene"))
-	throwFail(t, AssertIs(users[1].UserName, T_Equal, "astaxie"))
-	throwFail(t, AssertIs(users[2].UserName, T_Equal, "nobody"))
+	throwFail(t, AssertIs(users[0].UserName, "slene"))
+	throwFail(t, AssertIs(users[1].UserName, "astaxie"))
+	throwFail(t, AssertIs(users[2].UserName, "nobody"))
 
 	var users2 []User
 	qs = dORM.QueryTable("user")
 	num, err = qs.OrderBy("Id").All(&users2)
 	throwFail(t, err)
-	throwFailNow(t, AssertIs(num, T_Equal, 3))
+	throwFailNow(t, AssertIs(num, 3))
 
-	throwFailNow(t, AssertIs(users2[0].UserName, T_Equal, "slene"))
-	throwFailNow(t, AssertIs(users2[1].UserName, T_Equal, "astaxie"))
-	throwFailNow(t, AssertIs(users2[2].UserName, T_Equal, "nobody"))
+	throwFailNow(t, AssertIs(users2[0].UserName, "slene"))
+	throwFailNow(t, AssertIs(users2[1].UserName, "astaxie"))
+	throwFailNow(t, AssertIs(users2[2].UserName, "nobody"))
+
+	qs = dORM.QueryTable("user")
+	num, err = qs.OrderBy("Id").RelatedSel().All(&users2, "UserName")
+	throwFail(t, err)
+	throwFailNow(t, AssertIs(num, 3))
+	throwFailNow(t, AssertIs(len(users2), 3))
+	throwFailNow(t, AssertIs(users2[0].UserName, "slene"))
+	throwFailNow(t, AssertIs(users2[1].UserName, "astaxie"))
+	throwFailNow(t, AssertIs(users2[2].UserName, "nobody"))
+	throwFailNow(t, AssertIs(users2[0].Id, 0))
+	throwFailNow(t, AssertIs(users2[1].Id, 0))
+	throwFailNow(t, AssertIs(users2[2].Id, 0))
+	throwFailNow(t, AssertIs(users2[0].Profile == nil, false))
+	throwFailNow(t, AssertIs(users2[1].Profile == nil, false))
+	throwFailNow(t, AssertIs(users2[2].Profile == nil, true))
 
 	qs = dORM.QueryTable("user")
 	num, err = qs.Filter("user_name", "nothing").All(&users)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 0))
+	throwFail(t, AssertIs(num, 0))
 }
 
 func TestOne(t *testing.T) {
 	var user User
 	qs := dORM.QueryTable("user")
 	err := qs.One(&user)
-	throwFail(t, AssertIs(err, T_Equal, ErrMultiRows))
+	throwFail(t, AssertIs(err, ErrMultiRows))
 
 	user = User{}
 	err = qs.OrderBy("Id").Limit(1).One(&user)
 	throwFailNow(t, err)
-	throwFail(t, AssertIs(user.UserName, T_Equal, "slene"))
+	throwFail(t, AssertIs(user.UserName, "slene"))
 
 	err = qs.Filter("user_name", "nothing").One(&user)
-	throwFail(t, AssertIs(err, T_Equal, ErrNoRows))
+	throwFail(t, AssertIs(err, ErrNoRows))
 
 }
 
@@ -676,19 +654,19 @@ func TestValues(t *testing.T) {
 
 	num, err := qs.Values(&maps)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 3))
+	throwFail(t, AssertIs(num, 3))
 	if num == 3 {
-		throwFail(t, AssertIs(maps[0]["UserName"], T_Equal, "slene"))
-		throwFail(t, AssertIs(maps[2]["Profile"], T_Equal, nil))
+		throwFail(t, AssertIs(maps[0]["UserName"], "slene"))
+		throwFail(t, AssertIs(maps[2]["Profile"], nil))
 	}
 
 	num, err = qs.Values(&maps, "UserName", "Profile__Age")
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 3))
+	throwFail(t, AssertIs(num, 3))
 	if num == 3 {
-		throwFail(t, AssertIs(maps[0]["UserName"], T_Equal, "slene"))
-		throwFail(t, AssertIs(maps[0]["Profile__Age"], T_Equal, 28))
-		throwFail(t, AssertIs(maps[2]["Profile__Age"], T_Equal, nil))
+		throwFail(t, AssertIs(maps[0]["UserName"], "slene"))
+		throwFail(t, AssertIs(maps[0]["Profile__Age"], 28))
+		throwFail(t, AssertIs(maps[2]["Profile__Age"], nil))
 	}
 }
 
@@ -698,19 +676,19 @@ func TestValuesList(t *testing.T) {
 
 	num, err := qs.ValuesList(&list)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 3))
+	throwFail(t, AssertIs(num, 3))
 	if num == 3 {
-		throwFail(t, AssertIs(list[0][1], T_Equal, "slene"))
-		throwFail(t, AssertIs(list[2][9], T_Equal, nil))
+		throwFail(t, AssertIs(list[0][1], "slene"))
+		throwFail(t, AssertIs(list[2][9], nil))
 	}
 
 	num, err = qs.ValuesList(&list, "UserName", "Profile__Age")
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 3))
+	throwFail(t, AssertIs(num, 3))
 	if num == 3 {
-		throwFail(t, AssertIs(list[0][0], T_Equal, "slene"))
-		throwFail(t, AssertIs(list[0][1], T_Equal, 28))
-		throwFail(t, AssertIs(list[2][1], T_Equal, nil))
+		throwFail(t, AssertIs(list[0][0], "slene"))
+		throwFail(t, AssertIs(list[0][1], 28))
+		throwFail(t, AssertIs(list[2][1], nil))
 	}
 }
 
@@ -720,11 +698,11 @@ func TestValuesFlat(t *testing.T) {
 
 	num, err := qs.OrderBy("id").ValuesFlat(&list, "UserName")
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 3))
+	throwFail(t, AssertIs(num, 3))
 	if num == 3 {
-		throwFail(t, AssertIs(list[0], T_Equal, "slene"))
-		throwFail(t, AssertIs(list[1], T_Equal, "astaxie"))
-		throwFail(t, AssertIs(list[2], T_Equal, "nobody"))
+		throwFail(t, AssertIs(list[0], "slene"))
+		throwFail(t, AssertIs(list[1], "astaxie"))
+		throwFail(t, AssertIs(list[2], "nobody"))
 	}
 }
 
@@ -732,41 +710,41 @@ func TestRelatedSel(t *testing.T) {
 	qs := dORM.QueryTable("user")
 	num, err := qs.Filter("profile__age", 28).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	num, err = qs.Filter("profile__age__gt", 28).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	num, err = qs.Filter("profile__user__profile__age__gt", 28).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	var user User
 	err = qs.Filter("user_name", "slene").RelatedSel("profile").One(&user)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
-	throwFail(t, AssertNot(user.Profile, T_Equal, nil))
+	throwFail(t, AssertIs(num, 1))
+	throwFail(t, AssertNot(user.Profile, nil))
 	if user.Profile != nil {
-		throwFail(t, AssertIs(user.Profile.Age, T_Equal, 28))
+		throwFail(t, AssertIs(user.Profile.Age, 28))
 	}
 
 	err = qs.Filter("user_name", "slene").RelatedSel().One(&user)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
-	throwFail(t, AssertNot(user.Profile, T_Equal, nil))
+	throwFail(t, AssertIs(num, 1))
+	throwFail(t, AssertNot(user.Profile, nil))
 	if user.Profile != nil {
-		throwFail(t, AssertIs(user.Profile.Age, T_Equal, 28))
+		throwFail(t, AssertIs(user.Profile.Age, 28))
 	}
 
 	err = qs.Filter("user_name", "nobody").RelatedSel("profile").One(&user)
-	throwFail(t, AssertIs(num, T_Equal, 1))
-	throwFail(t, AssertIs(user.Profile, T_Equal, nil))
+	throwFail(t, AssertIs(num, 1))
+	throwFail(t, AssertIs(user.Profile, nil))
 
 	qs = dORM.QueryTable("user_profile")
 	num, err = qs.Filter("user__username", "slene").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 }
 
 func TestSetCond(t *testing.T) {
@@ -776,12 +754,12 @@ func TestSetCond(t *testing.T) {
 	qs := dORM.QueryTable("user")
 	num, err := qs.SetCond(cond1).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	cond2 := cond.AndCond(cond1).OrCond(cond.And("user_name", "slene"))
 	num, err = qs.SetCond(cond2).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 }
 
 func TestLimit(t *testing.T) {
@@ -789,19 +767,19 @@ func TestLimit(t *testing.T) {
 	qs := dORM.QueryTable("post")
 	num, err := qs.Limit(1).All(&posts)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	num, err = qs.Limit(-1).All(&posts)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 4))
+	throwFail(t, AssertIs(num, 4))
 
 	num, err = qs.Limit(-1, 2).All(&posts)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 
 	num, err = qs.Limit(0, 2).All(&posts)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 }
 
 func TestOffset(t *testing.T) {
@@ -809,26 +787,26 @@ func TestOffset(t *testing.T) {
 	qs := dORM.QueryTable("post")
 	num, err := qs.Limit(1).Offset(2).All(&posts)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	num, err = qs.Offset(2).All(&posts)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 }
 
 func TestOrderBy(t *testing.T) {
 	qs := dORM.QueryTable("user")
 	num, err := qs.OrderBy("-status").Filter("user_name", "nobody").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	num, err = qs.OrderBy("status").Filter("user_name", "slene").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	num, err = qs.OrderBy("-profile__age").Filter("user_name", "astaxie").Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 }
 
 func TestPrepareInsert(t *testing.T) {
@@ -840,21 +818,21 @@ func TestPrepareInsert(t *testing.T) {
 	user.UserName = "testing1"
 	num, err := i.Insert(&user)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Large, 0))
+	throwFail(t, AssertIs(num > 0, true))
 
 	user.UserName = "testing2"
 	num, err = i.Insert(&user)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Large, 0))
+	throwFail(t, AssertIs(num > 0, true))
 
 	num, err = qs.Filter("user_name__in", "testing1", "testing2").Delete()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 2))
+	throwFail(t, AssertIs(num, 2))
 
 	err = i.Close()
 	throwFail(t, err)
 	err = i.Close()
-	throwFail(t, AssertIs(err, T_Equal, ErrStmtClosed))
+	throwFail(t, AssertIs(err, ErrStmtClosed))
 }
 
 func TestRawExec(t *testing.T) {
@@ -864,12 +842,12 @@ func TestRawExec(t *testing.T) {
 	res, err := dORM.Raw(query, "testing", "slene").Exec()
 	throwFail(t, err)
 	num, err := res.RowsAffected()
-	throwFail(t, AssertIs(num, T_Equal, 1), err)
+	throwFail(t, AssertIs(num, 1), err)
 
 	res, err = dORM.Raw(query, "slene", "testing").Exec()
 	throwFail(t, err)
 	num, err = res.RowsAffected()
-	throwFail(t, AssertIs(num, T_Equal, 1), err)
+	throwFail(t, AssertIs(num, 1), err)
 }
 
 func TestRawQueryRow(t *testing.T) {
@@ -922,17 +900,17 @@ func TestRawQueryRow(t *testing.T) {
 		v := reflect.ValueOf(vu).Elem().Interface()
 		switch col {
 		case "id":
-			throwFail(t, AssertIs(id, T_Equal, 1))
+			throwFail(t, AssertIs(id, 1))
 		case "date":
 			v = v.(time.Time).In(DefaultTimeLoc)
 			value := data_values[col].(time.Time).In(DefaultTimeLoc)
-			throwFail(t, AssertIs(v, T_Equal, value, test_Date))
+			throwFail(t, AssertIs(v, value, test_Date))
 		case "datetime":
 			v = v.(time.Time).In(DefaultTimeLoc)
 			value := data_values[col].(time.Time).In(DefaultTimeLoc)
-			throwFail(t, AssertIs(v, T_Equal, value, test_DateTime))
+			throwFail(t, AssertIs(v, value, test_DateTime))
 		default:
-			throwFail(t, AssertIs(v, T_Equal, data_values[col]))
+			throwFail(t, AssertIs(v, data_values[col]))
 		}
 	}
 
@@ -965,26 +943,26 @@ func TestRawQueryRow(t *testing.T) {
 	for _, col := range cols {
 		switch col {
 		case "id":
-			throwFail(t, AssertIs(tmp.Id, T_Equal, data_values[col]))
+			throwFail(t, AssertIs(tmp.Id, data_values[col]))
 		case "char":
 			c := tmp.Char
-			throwFail(t, AssertIs(*c, T_Equal, data_values[col]))
+			throwFail(t, AssertIs(*c, data_values[col]))
 		case "date":
 			v := tmp.Date.In(DefaultTimeLoc)
 			value := data_values[col].(time.Time).In(DefaultTimeLoc)
-			throwFail(t, AssertIs(v, T_Equal, value, test_Date))
+			throwFail(t, AssertIs(v, value, test_Date))
 		case "datetime":
 			v := tmp.DateTime.In(DefaultTimeLoc)
 			value := data_values[col].(time.Time).In(DefaultTimeLoc)
-			throwFail(t, AssertIs(v, T_Equal, value, test_DateTime))
+			throwFail(t, AssertIs(v, value, test_DateTime))
 		case "boolean":
-			throwFail(t, AssertIs(Boolean, T_Equal, data_values[col]))
+			throwFail(t, AssertIs(Boolean, data_values[col]))
 		case "text":
-			throwFail(t, AssertIs(Text, T_Equal, data_values[col]))
+			throwFail(t, AssertIs(Text, data_values[col]))
 		case "int64":
-			throwFail(t, AssertIs(Int64, T_Equal, data_values[col]))
+			throwFail(t, AssertIs(Int64, data_values[col]))
 		case "uint":
-			throwFail(t, AssertIs(Uint, T_Equal, data_values[col]))
+			throwFail(t, AssertIs(Uint, data_values[col]))
 		}
 	}
 
@@ -1000,9 +978,9 @@ func TestRawQueryRow(t *testing.T) {
 	query = fmt.Sprintf("SELECT %s%s%s FROM %suser%s WHERE id = ?", Q, strings.Join(cols, sep), Q, Q, Q)
 	err = dORM.Raw(query, 4).QueryRow(&uid, &status, &pid)
 	throwFail(t, err)
-	throwFail(t, AssertIs(uid, T_Equal, 4))
-	throwFail(t, AssertIs(*status, T_Equal, 3))
-	throwFail(t, AssertIs(pid, T_Equal, nil))
+	throwFail(t, AssertIs(uid, 4))
+	throwFail(t, AssertIs(*status, 3))
+	throwFail(t, AssertIs(pid, nil))
 }
 
 func TestQueryRows(t *testing.T) {
@@ -1020,10 +998,10 @@ func TestQueryRows(t *testing.T) {
 	query := fmt.Sprintf("SELECT %s%s%s, id FROM %sdata%s", Q, strings.Join(cols, sep), Q, Q, Q)
 	num, err := dORM.Raw(query).QueryRows(&datas, &dids)
 	throwFailNow(t, err)
-	throwFailNow(t, AssertIs(num, T_Equal, 1))
-	throwFailNow(t, AssertIs(len(datas), T_Equal, 1))
-	throwFailNow(t, AssertIs(len(dids), T_Equal, 1))
-	throwFailNow(t, AssertIs(dids[0], T_Equal, 1))
+	throwFailNow(t, AssertIs(num, 1))
+	throwFailNow(t, AssertIs(len(datas), 1))
+	throwFailNow(t, AssertIs(len(dids), 1))
+	throwFailNow(t, AssertIs(dids[0], 1))
 
 	ind := reflect.Indirect(reflect.ValueOf(datas[0]))
 
@@ -1038,7 +1016,7 @@ func TestQueryRows(t *testing.T) {
 			vu = vu.(time.Time).In(DefaultTimeLoc).Format(test_DateTime)
 			value = value.(time.Time).In(DefaultTimeLoc).Format(test_DateTime)
 		}
-		throwFail(t, AssertIs(vu == value, T_Equal, true), value, vu)
+		throwFail(t, AssertIs(vu == value, true), value, vu)
 	}
 
 	type Tmp struct {
@@ -1066,7 +1044,7 @@ func TestQueryRows(t *testing.T) {
 	query = fmt.Sprintf("SELECT %s%s%s FROM %suser%s ORDER BY id", Q, strings.Join(cols, sep), Q, Q, Q)
 	num, err = dORM.Raw(query).QueryRows(&ids, &userNames, &profileIds1, &profileIds2, &tmps1, &tmps2, &createds, &updateds)
 	throwFailNow(t, err)
-	throwFailNow(t, AssertIs(num, T_Equal, 3))
+	throwFailNow(t, AssertIs(num, 3))
 
 	var users []User
 	dORM.QueryTable("user").OrderBy("Id").All(&users)
@@ -1080,37 +1058,37 @@ func TestQueryRows(t *testing.T) {
 		updated := updateds[i]
 
 		user := users[i]
-		throwFailNow(t, AssertIs(id, T_Equal, user.Id))
-		throwFailNow(t, AssertIs(name, T_Equal, user.UserName))
+		throwFailNow(t, AssertIs(id, user.Id))
+		throwFailNow(t, AssertIs(name, user.UserName))
 		if user.Profile != nil {
-			throwFailNow(t, AssertIs(pid1, T_Equal, user.Profile.Id))
-			throwFailNow(t, AssertIs(*pid2, T_Equal, user.Profile.Id))
+			throwFailNow(t, AssertIs(pid1, user.Profile.Id))
+			throwFailNow(t, AssertIs(*pid2, user.Profile.Id))
 		} else {
-			throwFailNow(t, AssertIs(pid1, T_Equal, 0))
-			throwFailNow(t, AssertIs(pid2, T_Equal, nil))
+			throwFailNow(t, AssertIs(pid1, 0))
+			throwFailNow(t, AssertIs(pid2, nil))
 		}
-		throwFailNow(t, AssertIs(created, T_Equal, user.Created, test_Date))
-		throwFailNow(t, AssertIs(updated, T_Equal, user.Updated, test_DateTime))
+		throwFailNow(t, AssertIs(created, user.Created, test_Date))
+		throwFailNow(t, AssertIs(updated, user.Updated, test_DateTime))
 
 		tmp := tmps1[i]
 		tmp1 := *tmp
-		throwFailNow(t, AssertIs(tmp1.Id, T_Equal, user.Id))
-		throwFailNow(t, AssertIs(tmp1.Name, T_Equal, user.UserName))
+		throwFailNow(t, AssertIs(tmp1.Id, user.Id))
+		throwFailNow(t, AssertIs(tmp1.Name, user.UserName))
 		if user.Profile != nil {
 			pid := tmp1.Pid
-			throwFailNow(t, AssertIs(*pid, T_Equal, user.Profile.Id))
+			throwFailNow(t, AssertIs(*pid, user.Profile.Id))
 		} else {
-			throwFailNow(t, AssertIs(tmp1.Pid, T_Equal, nil))
+			throwFailNow(t, AssertIs(tmp1.Pid, nil))
 		}
 
 		tmp2 := tmps2[i]
-		throwFailNow(t, AssertIs(tmp2.Id, T_Equal, user.Id))
-		throwFailNow(t, AssertIs(tmp2.Name, T_Equal, user.UserName))
+		throwFailNow(t, AssertIs(tmp2.Id, user.Id))
+		throwFailNow(t, AssertIs(tmp2.Name, user.UserName))
 		if user.Profile != nil {
 			pid := tmp2.Pid
-			throwFailNow(t, AssertIs(*pid, T_Equal, user.Profile.Id))
+			throwFailNow(t, AssertIs(*pid, user.Profile.Id))
 		} else {
-			throwFailNow(t, AssertIs(tmp2.Pid, T_Equal, nil))
+			throwFailNow(t, AssertIs(tmp2.Pid, nil))
 		}
 	}
 
@@ -1123,8 +1101,8 @@ func TestQueryRows(t *testing.T) {
 	query = fmt.Sprintf("SELECT NULL, NULL FROM %suser%s LIMIT 1", Q, Q)
 	num, err = dORM.Raw(query).QueryRows(&tmp)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
-	throwFail(t, AssertIs(tmp[0], T_Equal, nil))
+	throwFail(t, AssertIs(num, 1))
+	throwFail(t, AssertIs(tmp[0], nil))
 }
 
 func TestRawValues(t *testing.T) {
@@ -1134,28 +1112,28 @@ func TestRawValues(t *testing.T) {
 	query := fmt.Sprintf("SELECT %suser_name%s FROM %suser%s WHERE %sstatus%s = ?", Q, Q, Q, Q, Q, Q)
 	num, err := dORM.Raw(query, 1).Values(&maps)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 	if num == 1 {
-		throwFail(t, AssertIs(maps[0]["user_name"], T_Equal, "slene"))
+		throwFail(t, AssertIs(maps[0]["user_name"], "slene"))
 	}
 
 	var lists []ParamsList
 	num, err = dORM.Raw(query, 1).ValuesList(&lists)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 	if num == 1 {
-		throwFail(t, AssertIs(lists[0][0], T_Equal, "slene"))
+		throwFail(t, AssertIs(lists[0][0], "slene"))
 	}
 
 	query = fmt.Sprintf("SELECT %sprofile_id%s FROM %suser%s ORDER BY %sid%s ASC", Q, Q, Q, Q, Q, Q)
 	var list ParamsList
 	num, err = dORM.Raw(query).ValuesFlat(&list)
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 3))
+	throwFail(t, AssertIs(num, 3))
 	if num == 3 {
-		throwFail(t, AssertIs(list[0], T_Equal, "2"))
-		throwFail(t, AssertIs(list[1], T_Equal, "3"))
-		throwFail(t, AssertIs(list[2], T_Equal, nil))
+		throwFail(t, AssertIs(list[0], "2"))
+		throwFail(t, AssertIs(list[1], "3"))
+		throwFail(t, AssertIs(list[2], nil))
 	}
 }
 
@@ -1171,21 +1149,21 @@ func TestRawPrepare(t *testing.T) {
 
 			tid, err := r.LastInsertId()
 			throwFail(t, err)
-			throwFail(t, AssertIs(tid, T_Large, 0))
+			throwFail(t, AssertIs(tid > 0, true))
 
 			r, err = pre.Exec("name2")
 			throwFail(t, err)
 
 			id, err := r.LastInsertId()
 			throwFail(t, err)
-			throwFail(t, AssertIs(id, T_Equal, tid+1))
+			throwFail(t, AssertIs(id, tid+1))
 
 			r, err = pre.Exec("name3")
 			throwFail(t, err)
 
 			id, err = r.LastInsertId()
 			throwFail(t, err)
-			throwFail(t, AssertIs(id, T_Equal, tid+2))
+			throwFail(t, AssertIs(id, tid+2))
 
 			err = pre.Close()
 			throwFail(t, err)
@@ -1195,7 +1173,7 @@ func TestRawPrepare(t *testing.T) {
 
 			num, err := res.RowsAffected()
 			throwFail(t, err)
-			throwFail(t, AssertIs(num, T_Equal, 3))
+			throwFail(t, AssertIs(num, 3))
 		}
 
 	case IsPostgres:
@@ -1221,7 +1199,7 @@ func TestRawPrepare(t *testing.T) {
 			if err == nil {
 				num, err := res.RowsAffected()
 				throwFail(t, err)
-				throwFail(t, AssertIs(num, T_Equal, 3))
+				throwFail(t, AssertIs(num, 3))
 			}
 		}
 	}
@@ -1233,26 +1211,26 @@ func TestUpdate(t *testing.T) {
 		"is_staff": true,
 	})
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	// with join
 	num, err = qs.Filter("user_name", "slene").Filter("profile__age", 28).Filter("is_staff", true).Update(Params{
 		"is_staff": false,
 	})
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 }
 
 func TestDelete(t *testing.T) {
 	qs := dORM.QueryTable("user_profile")
 	num, err := qs.Filter("user__user_name", "slene").Delete()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	qs = dORM.QueryTable("user")
 	num, err = qs.Filter("user_name", "slene").Filter("profile__isnull", true).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 }
 
 func TestTransaction(t *testing.T) {
@@ -1268,11 +1246,11 @@ func TestTransaction(t *testing.T) {
 	tag.Name = names[0]
 	id, err := o.Insert(&tag)
 	throwFail(t, err)
-	throwFail(t, AssertIs(id, T_Large, 0))
+	throwFail(t, AssertIs(id > 0, true))
 
 	num, err := o.QueryTable("tag").Filter("name", "golang").Update(Params{"name": names[1]})
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 	switch {
 	case IsMysql || IsSqlite:
@@ -1281,7 +1259,7 @@ func TestTransaction(t *testing.T) {
 		if err == nil {
 			id, err = res.LastInsertId()
 			throwFail(t, err)
-			throwFail(t, AssertIs(id, T_Large, 0))
+			throwFail(t, AssertIs(id > 0, true))
 		}
 	}
 
@@ -1290,7 +1268,7 @@ func TestTransaction(t *testing.T) {
 
 	num, err = o.QueryTable("tag").Filter("name__in", names).Count()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 0))
+	throwFail(t, AssertIs(num, 0))
 
 	err = o.Begin()
 	throwFail(t, err)
@@ -1298,13 +1276,13 @@ func TestTransaction(t *testing.T) {
 	tag.Name = "commit"
 	id, err = o.Insert(&tag)
 	throwFail(t, err)
-	throwFail(t, AssertIs(id, T_Large, 0))
+	throwFail(t, AssertIs(id > 0, true))
 
 	o.Commit()
 	throwFail(t, err)
 
 	num, err = o.QueryTable("tag").Filter("name", "commit").Delete()
 	throwFail(t, err)
-	throwFail(t, AssertIs(num, T_Equal, 1))
+	throwFail(t, AssertIs(num, 1))
 
 }
diff --git a/orm/types.go b/orm/types.go
index ce25d037..6a503511 100644
--- a/orm/types.go
+++ b/orm/types.go
@@ -20,9 +20,9 @@ type Fielder interface {
 }
 
 type Ormer interface {
-	Read(interface{}) error
+	Read(interface{}, ...string) error
 	Insert(interface{}) (int64, error)
-	Update(interface{}) (int64, error)
+	Update(interface{}, ...string) (int64, error)
 	Delete(interface{}) (int64, error)
 	M2mAdd(interface{}, string, ...interface{}) (int64, error)
 	M2mDel(interface{}, string, ...interface{}) (int64, error)
@@ -53,8 +53,8 @@ type QuerySeter interface {
 	Update(Params) (int64, error)
 	Delete() (int64, error)
 	PrepareInsert() (Inserter, error)
-	All(interface{}) (int64, error)
-	One(interface{}) error
+	All(interface{}, ...string) (int64, error)
+	One(interface{}, ...string) error
 	Values(*[]Params, ...string) (int64, error)
 	ValuesList(*[]ParamsList, ...string) (int64, error)
 	ValuesFlat(*ParamsList, string) (int64, error)
@@ -111,12 +111,12 @@ type txEnder interface {
 }
 
 type dbBaser interface {
-	Read(dbQuerier, *modelInfo, reflect.Value, *time.Location) error
+	Read(dbQuerier, *modelInfo, reflect.Value, *time.Location, []string) error
 	Insert(dbQuerier, *modelInfo, reflect.Value, *time.Location) (int64, error)
 	InsertStmt(stmtQuerier, *modelInfo, reflect.Value, *time.Location) (int64, error)
-	Update(dbQuerier, *modelInfo, reflect.Value, *time.Location) (int64, error)
+	Update(dbQuerier, *modelInfo, reflect.Value, *time.Location, []string) (int64, error)
 	Delete(dbQuerier, *modelInfo, reflect.Value, *time.Location) (int64, error)
-	ReadBatch(dbQuerier, *querySet, *modelInfo, *Condition, interface{}, *time.Location) (int64, error)
+	ReadBatch(dbQuerier, *querySet, *modelInfo, *Condition, interface{}, *time.Location, []string) (int64, error)
 	SupportUpdateJoin() bool
 	UpdateBatch(dbQuerier, *querySet, *modelInfo, *Condition, Params, *time.Location) (int64, error)
 	DeleteBatch(dbQuerier, *querySet, *modelInfo, *Condition, *time.Location) (int64, error)
diff --git a/orm/utils.go b/orm/utils.go
index 8bc093d1..e73d50f6 100644
--- a/orm/utils.go
+++ b/orm/utils.go
@@ -38,6 +38,11 @@ func (f StrTo) Float64() (float64, error) {
 	return strconv.ParseFloat(f.String(), 64)
 }
 
+func (f StrTo) Int() (int, error) {
+	v, err := strconv.ParseInt(f.String(), 10, 32)
+	return int(v), err
+}
+
 func (f StrTo) Int8() (int8, error) {
 	v, err := strconv.ParseInt(f.String(), 10, 8)
 	return int8(v), err
@@ -58,6 +63,11 @@ func (f StrTo) Int64() (int64, error) {
 	return int64(v), err
 }
 
+func (f StrTo) Uint() (uint, error) {
+	v, err := strconv.ParseUint(f.String(), 10, 32)
+	return uint(v), err
+}
+
 func (f StrTo) Uint8() (uint8, error) {
 	v, err := strconv.ParseUint(f.String(), 10, 8)
 	return uint8(v), err