diff --git a/session_pk_test.go b/session_pk_test.go
new file mode 100644
index 00000000..44ffb300
--- /dev/null
+++ b/session_pk_test.go
@@ -0,0 +1,1107 @@
+// Copyright 2017 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import (
+	"errors"
+	"testing"
+
+	"github.com/go-xorm/core"
+	"github.com/stretchr/testify/assert"
+)
+
+type IntId struct {
+	Id   int `xorm:"pk autoincr"`
+	Name string
+}
+
+type Int16Id struct {
+	Id   int16 `xorm:"pk autoincr"`
+	Name string
+}
+
+type Int32Id struct {
+	Id   int32 `xorm:"pk autoincr"`
+	Name string
+}
+
+type UintId struct {
+	Id   uint `xorm:"pk autoincr"`
+	Name string
+}
+
+type Uint16Id struct {
+	Id   uint16 `xorm:"pk autoincr"`
+	Name string
+}
+
+type Uint32Id struct {
+	Id   uint32 `xorm:"pk autoincr"`
+	Name string
+}
+
+type Uint64Id struct {
+	Id   uint64 `xorm:"pk autoincr"`
+	Name string
+}
+
+type StringPK struct {
+	Id   string `xorm:"pk notnull"`
+	Name string
+}
+
+type ID int64
+type MyIntPK struct {
+	ID   ID `xorm:"pk autoincr"`
+	Name string
+}
+
+type StrID string
+type MyStringPK struct {
+	ID   StrID `xorm:"pk notnull"`
+	Name string
+}
+
+func TestIntId(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	err := testEngine.DropTables(&IntId{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	err = testEngine.CreateTables(&IntId{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err := testEngine.Insert(&IntId{Name: "test"})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	bean := new(IntId)
+	has, err := testEngine.Get(bean)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if !has {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans := make([]IntId, 0)
+	err = testEngine.Find(&beans)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans2 := make(map[int]IntId)
+	err = testEngine.Find(&beans2)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans2) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err = testEngine.Id(bean.Id).Delete(&IntId{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+}
+
+func TestInt16Id(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	err := testEngine.DropTables(&Int16Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	err = testEngine.CreateTables(&Int16Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err := testEngine.Insert(&Int16Id{Name: "test"})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	bean := new(Int16Id)
+	has, err := testEngine.Get(bean)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if !has {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans := make([]Int16Id, 0)
+	err = testEngine.Find(&beans)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans2 := make(map[int16]Int16Id, 0)
+	err = testEngine.Find(&beans2)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans2) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err = testEngine.Id(bean.Id).Delete(&Int16Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+}
+
+func TestInt32Id(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	err := testEngine.DropTables(&Int32Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	err = testEngine.CreateTables(&Int32Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err := testEngine.Insert(&Int32Id{Name: "test"})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	bean := new(Int32Id)
+	has, err := testEngine.Get(bean)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if !has {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans := make([]Int32Id, 0)
+	err = testEngine.Find(&beans)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans2 := make(map[int32]Int32Id, 0)
+	err = testEngine.Find(&beans2)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans2) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err = testEngine.Id(bean.Id).Delete(&Int32Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+}
+
+func TestUintId(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	err := testEngine.DropTables(&UintId{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	err = testEngine.CreateTables(&UintId{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err := testEngine.Insert(&UintId{Name: "test"})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	var inserts = []UintId{
+		{Name: "test1"},
+		{Name: "test2"},
+	}
+	cnt, err = testEngine.Insert(&inserts)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if cnt != 2 {
+		err = errors.New("insert count should be two")
+		t.Error(err)
+		panic(err)
+	}
+
+	bean := new(UintId)
+	has, err := testEngine.Get(bean)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if !has {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans := make([]UintId, 0)
+	err = testEngine.Find(&beans)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans) != 3 {
+		err = errors.New("get count should be three")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans2 := make(map[uint]UintId, 0)
+	err = testEngine.Find(&beans2)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans2) != 3 {
+		err = errors.New("get count should be three")
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err = testEngine.Id(bean.Id).Delete(&UintId{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+}
+
+func TestUint16Id(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	err := testEngine.DropTables(&Uint16Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	err = testEngine.CreateTables(&Uint16Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err := testEngine.Insert(&Uint16Id{Name: "test"})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	bean := new(Uint16Id)
+	has, err := testEngine.Get(bean)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if !has {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans := make([]Uint16Id, 0)
+	err = testEngine.Find(&beans)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans2 := make(map[uint16]Uint16Id, 0)
+	err = testEngine.Find(&beans2)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans2) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err = testEngine.Id(bean.Id).Delete(&Uint16Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+}
+
+func TestUint32Id(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	err := testEngine.DropTables(&Uint32Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	err = testEngine.CreateTables(&Uint32Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err := testEngine.Insert(&Uint32Id{Name: "test"})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	bean := new(Uint32Id)
+	has, err := testEngine.Get(bean)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if !has {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans := make([]Uint32Id, 0)
+	err = testEngine.Find(&beans)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans2 := make(map[uint32]Uint32Id, 0)
+	err = testEngine.Find(&beans2)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans2) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err = testEngine.Id(bean.Id).Delete(&Uint32Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+}
+
+func TestUint64Id(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	err := testEngine.DropTables(&Uint64Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	err = testEngine.CreateTables(&Uint64Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	idbean := &Uint64Id{Name: "test"}
+	cnt, err := testEngine.Insert(idbean)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	bean := new(Uint64Id)
+	has, err := testEngine.Get(bean)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if !has {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	if bean.Id != idbean.Id {
+		panic(errors.New("should be equal"))
+	}
+
+	beans := make([]Uint64Id, 0)
+	err = testEngine.Find(&beans)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	if *bean != beans[0] {
+		panic(errors.New("should be equal"))
+	}
+
+	beans2 := make(map[uint64]Uint64Id, 0)
+	err = testEngine.Find(&beans2)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans2) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	if *bean != beans2[bean.Id] {
+		panic(errors.New("should be equal"))
+	}
+
+	cnt, err = testEngine.Id(bean.Id).Delete(&Uint64Id{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+}
+
+func TestStringPK(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	err := testEngine.DropTables(&StringPK{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	err = testEngine.CreateTables(&StringPK{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err := testEngine.Insert(&StringPK{Id: "1-1-2", Name: "test"})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	bean := new(StringPK)
+	has, err := testEngine.Get(bean)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if !has {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans := make([]StringPK, 0)
+	err = testEngine.Find(&beans)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	beans2 := make(map[string]StringPK)
+	err = testEngine.Find(&beans2)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans2) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err = testEngine.Id(bean.Id).Delete(&StringPK{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+}
+
+type CompositeKey struct {
+	Id1       int64 `xorm:"id1 pk"`
+	Id2       int64 `xorm:"id2 pk"`
+	UpdateStr string
+}
+
+func TestCompositeKey(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	err := testEngine.DropTables(&CompositeKey{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	err = testEngine.CreateTables(&CompositeKey{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err := testEngine.Insert(&CompositeKey{11, 22, ""})
+	if err != nil {
+		t.Error(err)
+	} else if cnt != 1 {
+		t.Error(errors.New("failed to insert CompositeKey{11, 22}"))
+	}
+
+	cnt, err = testEngine.Insert(&CompositeKey{11, 22, ""})
+	if err == nil || cnt == 1 {
+		t.Error(errors.New("inserted CompositeKey{11, 22}"))
+	}
+
+	var compositeKeyVal CompositeKey
+	has, err := testEngine.Id(core.PK{11, 22}).Get(&compositeKeyVal)
+	if err != nil {
+		t.Error(err)
+	} else if !has {
+		t.Error(errors.New("can't get CompositeKey{11, 22}"))
+	}
+
+	var compositeKeyVal2 CompositeKey
+	// test passing PK ptr, this test seem failed withCache
+	has, err = testEngine.Id(&core.PK{11, 22}).Get(&compositeKeyVal2)
+	if err != nil {
+		t.Error(err)
+	} else if !has {
+		t.Error(errors.New("can't get CompositeKey{11, 22}"))
+	}
+
+	if compositeKeyVal != compositeKeyVal2 {
+		t.Error(errors.New("should be equal"))
+	}
+
+	var cps = make([]CompositeKey, 0)
+	err = testEngine.Find(&cps)
+	if err != nil {
+		t.Error(err)
+	}
+	if len(cps) != 1 {
+		t.Error(errors.New("should has one record"))
+	}
+	if cps[0] != compositeKeyVal {
+		t.Error(errors.New("should be equal"))
+	}
+
+	cnt, err = testEngine.Insert(&CompositeKey{22, 22, ""})
+	if err != nil {
+		t.Error(err)
+	} else if cnt != 1 {
+		t.Error(errors.New("failed to insert CompositeKey{22, 22}"))
+	}
+
+	if testEngine.Cacher != nil {
+		testEngine.Cacher.ClearBeans(testEngine.TableInfo(compositeKeyVal).Name)
+	}
+
+	cps = make([]CompositeKey, 0)
+	err = testEngine.Find(&cps)
+	if err != nil {
+		t.Error(err)
+	}
+	if len(cps) != 2 {
+		t.Error(errors.New("should has two record"))
+	}
+	if cps[0] != compositeKeyVal {
+		t.Error(errors.New("should be equeal"))
+	}
+
+	compositeKeyVal = CompositeKey{UpdateStr: "test1"}
+	cnt, err = testEngine.Id(core.PK{11, 22}).Update(&compositeKeyVal)
+	if err != nil {
+		t.Error(err)
+	} else if cnt != 1 {
+		t.Error(errors.New("can't update CompositeKey{11, 22}"))
+	}
+
+	cnt, err = testEngine.Id(core.PK{11, 22}).Delete(&CompositeKey{})
+	if err != nil {
+		t.Error(err)
+	} else if cnt != 1 {
+		t.Error(errors.New("can't delete CompositeKey{11, 22}"))
+	}
+}
+
+type User struct {
+	UserId   string `xorm:"varchar(19) not null pk"`
+	NickName string `xorm:"varchar(19) not null"`
+	GameId   uint32 `xorm:"integer pk"`
+	Score    int32  `xorm:"integer"`
+}
+
+func TestCompositeKey2(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	err := testEngine.DropTables(&User{})
+
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	err = testEngine.CreateTables(&User{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err := testEngine.Insert(&User{"11", "nick", 22, 5})
+	if err != nil {
+		t.Error(err)
+	} else if cnt != 1 {
+		t.Error(errors.New("failed to insert User{11, 22}"))
+	}
+
+	cnt, err = testEngine.Insert(&User{"11", "nick", 22, 6})
+	if err == nil || cnt == 1 {
+		t.Error(errors.New("inserted User{11, 22}"))
+	}
+
+	var user User
+	has, err := testEngine.Id(core.PK{"11", 22}).Get(&user)
+	if err != nil {
+		t.Error(err)
+	} else if !has {
+		t.Error(errors.New("can't get User{11, 22}"))
+	}
+
+	// test passing PK ptr, this test seem failed withCache
+	has, err = testEngine.Id(&core.PK{"11", 22}).Get(&user)
+	if err != nil {
+		t.Error(err)
+	} else if !has {
+		t.Error(errors.New("can't get User{11, 22}"))
+	}
+
+	user = User{NickName: "test1"}
+	cnt, err = testEngine.Id(core.PK{"11", 22}).Update(&user)
+	if err != nil {
+		t.Error(err)
+	} else if cnt != 1 {
+		t.Error(errors.New("can't update User{11, 22}"))
+	}
+
+	cnt, err = testEngine.Id(core.PK{"11", 22}).Delete(&User{})
+	if err != nil {
+		t.Error(err)
+	} else if cnt != 1 {
+		t.Error(errors.New("can't delete CompositeKey{11, 22}"))
+	}
+}
+
+type MyString string
+type UserPK2 struct {
+	UserId   MyString `xorm:"varchar(19) not null pk"`
+	NickName string   `xorm:"varchar(19) not null"`
+	GameId   uint32   `xorm:"integer pk"`
+	Score    int32    `xorm:"integer"`
+}
+
+func TestCompositeKey3(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	err := testEngine.DropTables(&UserPK2{})
+
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	err = testEngine.CreateTables(&UserPK2{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	cnt, err := testEngine.Insert(&UserPK2{"11", "nick", 22, 5})
+	if err != nil {
+		t.Error(err)
+	} else if cnt != 1 {
+		t.Error(errors.New("failed to insert User{11, 22}"))
+	}
+
+	cnt, err = testEngine.Insert(&UserPK2{"11", "nick", 22, 6})
+	if err == nil || cnt == 1 {
+		t.Error(errors.New("inserted User{11, 22}"))
+	}
+
+	var user UserPK2
+	has, err := testEngine.Id(core.PK{"11", 22}).Get(&user)
+	if err != nil {
+		t.Error(err)
+	} else if !has {
+		t.Error(errors.New("can't get User{11, 22}"))
+	}
+
+	// test passing PK ptr, this test seem failed withCache
+	has, err = testEngine.Id(&core.PK{"11", 22}).Get(&user)
+	if err != nil {
+		t.Error(err)
+	} else if !has {
+		t.Error(errors.New("can't get User{11, 22}"))
+	}
+
+	user = UserPK2{NickName: "test1"}
+	cnt, err = testEngine.Id(core.PK{"11", 22}).Update(&user)
+	if err != nil {
+		t.Error(err)
+	} else if cnt != 1 {
+		t.Error(errors.New("can't update User{11, 22}"))
+	}
+
+	cnt, err = testEngine.Id(core.PK{"11", 22}).Delete(&UserPK2{})
+	if err != nil {
+		t.Error(err)
+	} else if cnt != 1 {
+		t.Error(errors.New("can't delete CompositeKey{11, 22}"))
+	}
+}
+
+func TestMyIntId(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	err := testEngine.DropTables(&MyIntPK{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	err = testEngine.CreateTables(&MyIntPK{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	idbean := &MyIntPK{Name: "test"}
+	cnt, err := testEngine.Insert(idbean)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	bean := new(MyIntPK)
+	has, err := testEngine.Get(bean)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if !has {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	if bean.ID != idbean.ID {
+		panic(errors.New("should be equal"))
+	}
+
+	var beans []MyIntPK
+	err = testEngine.Find(&beans)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	if *bean != beans[0] {
+		panic(errors.New("should be equal"))
+	}
+
+	beans2 := make(map[ID]MyIntPK, 0)
+	err = testEngine.Find(&beans2)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans2) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	if *bean != beans2[bean.ID] {
+		panic(errors.New("should be equal"))
+	}
+
+	cnt, err = testEngine.Id(bean.ID).Delete(&MyIntPK{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+}
+
+func TestMyStringId(t *testing.T) {
+	assert.NoError(t, prepareEngine())
+
+	err := testEngine.DropTables(&MyStringPK{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	err = testEngine.CreateTables(&MyStringPK{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	idbean := &MyStringPK{ID: "1111", Name: "test"}
+	cnt, err := testEngine.Insert(idbean)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	bean := new(MyStringPK)
+	has, err := testEngine.Get(bean)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if !has {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	if bean.ID != idbean.ID {
+		panic(errors.New("should be equal"))
+	}
+
+	var beans []MyStringPK
+	err = testEngine.Find(&beans)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	if *bean != beans[0] {
+		panic(errors.New("should be equal"))
+	}
+
+	beans2 := make(map[StrID]MyStringPK, 0)
+	err = testEngine.Find(&beans2)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if len(beans2) != 1 {
+		err = errors.New("get count should be one")
+		t.Error(err)
+		panic(err)
+	}
+
+	if *bean != beans2[bean.ID] {
+		panic(errors.New("should be equal"))
+	}
+
+	cnt, err = testEngine.Id(bean.ID).Delete(&MyStringPK{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+	if cnt != 1 {
+		err = errors.New("insert count should be one")
+		t.Error(err)
+		panic(err)
+	}
+}