Orm filter support

pkg/orm/do_nothing_omr_test.go

@@ -0,0 +1,134 @@
+// Copyright 2020 beego 
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package orm
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDoNothingOrm(t *testing.T) {
+	o := &DoNothingOrm{}
+	err := o.DoTxWithCtxAndOpts(nil, nil, nil)
+	assert.Nil(t, err)
+
+	err = o.DoTxWithCtx(nil, nil)
+	assert.Nil(t, err)
+
+	err = o.DoTx(nil)
+	assert.Nil(t, err)
+
+	err = o.DoTxWithOpts(nil, nil)
+	assert.Nil(t, err)
+
+	assert.Nil(t, o.Driver())
+
+	assert.Nil(t, o.QueryM2MWithCtx(nil, nil, ""))
+	assert.Nil(t, o.QueryM2M(nil, ""))
+	assert.Nil(t, o.ReadWithCtx(nil, nil))
+	assert.Nil(t, o.Read(nil))
+
+	txOrm, err := o.BeginWithCtxAndOpts(nil, nil)
+	assert.Nil(t, err)
+	assert.Nil(t, txOrm)
+
+	txOrm, err = o.BeginWithCtx(nil)
+	assert.Nil(t, err)
+	assert.Nil(t, txOrm)
+
+	txOrm, err = o.BeginWithOpts(nil)
+	assert.Nil(t, err)
+	assert.Nil(t, txOrm)
+
+	txOrm, err = o.Begin()
+	assert.Nil(t, err)
+	assert.Nil(t, txOrm)
+
+	assert.Nil(t, o.RawWithCtx(nil, ""))
+	assert.Nil(t, o.Raw(""))
+
+	i, err := o.InsertMulti(0, nil)
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+
+	i, err = o.Insert(nil)
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+
+	i, err = o.InsertWithCtx(nil, nil)
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+
+	i, err = o.InsertOrUpdateWithCtx(nil, nil)
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+
+	i, err = o.InsertOrUpdate(nil)
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+
+	i, err = o.InsertMultiWithCtx(nil, 0, nil)
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+
+	i, err = o.LoadRelatedWithCtx(nil, nil, "")
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+
+	i, err = o.LoadRelated(nil, "")
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+
+	assert.Nil(t, o.QueryTableWithCtx(nil, nil))
+	assert.Nil(t, o.QueryTable(nil))
+
+	assert.Nil(t, o.Read(nil))
+	assert.Nil(t, o.ReadWithCtx(nil, nil))
+	assert.Nil(t, o.ReadForUpdateWithCtx(nil, nil))
+	assert.Nil(t, o.ReadForUpdate(nil))
+
+	ok, i, err := o.ReadOrCreate(nil, "")
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+	assert.False(t, ok)
+
+	ok, i, err = o.ReadOrCreateWithCtx(nil, nil, "")
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+	assert.False(t, ok)
+
+	i, err = o.Delete(nil)
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+
+	i, err = o.DeleteWithCtx(nil, nil)
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+
+	i, err = o.Update(nil)
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+
+	i, err = o.UpdateWithCtx(nil, nil)
+	assert.Nil(t, err)
+	assert.Equal(t, int64(0), i)
+
+	assert.Nil(t, o.DBStats())
+
+	to := &DoNothingTxOrm{}
+	assert.Nil(t, to.Commit())
+	assert.Nil(t, to.Rollback())
+}

pkg/orm/do_nothing_orm.go

@@ -0,0 +1,178 @@
+// Copyright 2020 beego 
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package orm
+
+import (
+	"context"
+	"database/sql"
+)
+
+// DoNothingOrm won't do anything, usually you use this to custom your mock Ormer implementation
+// I think golang mocking interface is hard to use
+// this may help you to integrate with Ormer
+
+var _ Ormer = new(DoNothingOrm)
+
+type DoNothingOrm struct {
+}
+
+func (d *DoNothingOrm) Read(md interface{}, cols ...string) error {
+	return nil
+}
+
+func (d *DoNothingOrm) ReadWithCtx(ctx context.Context, md interface{}, cols ...string) error {
+	return nil
+}
+
+func (d *DoNothingOrm) ReadForUpdate(md interface{}, cols ...string) error {
+	return nil
+}
+
+func (d *DoNothingOrm) ReadForUpdateWithCtx(ctx context.Context, md interface{}, cols ...string) error {
+	return nil
+}
+
+func (d *DoNothingOrm) ReadOrCreate(md interface{}, col1 string, cols ...string) (bool, int64, error) {
+	return false, 0, nil
+}
+
+func (d *DoNothingOrm) ReadOrCreateWithCtx(ctx context.Context, md interface{}, col1 string, cols ...string) (bool, int64, error) {
+	return false, 0, nil
+}
+
+func (d *DoNothingOrm) LoadRelated(md interface{}, name string, args ...interface{}) (int64, error) {
+	return 0, nil
+}
+
+func (d *DoNothingOrm) LoadRelatedWithCtx(ctx context.Context, md interface{}, name string, args ...interface{}) (int64, error) {
+	return 0, nil
+}
+
+func (d *DoNothingOrm) QueryM2M(md interface{}, name string) QueryM2Mer {
+	return nil
+}
+
+func (d *DoNothingOrm) QueryM2MWithCtx(ctx context.Context, md interface{}, name string) QueryM2Mer {
+	return nil
+}
+
+func (d *DoNothingOrm) QueryTable(ptrStructOrTableName interface{}) QuerySeter {
+	return nil
+}
+
+func (d *DoNothingOrm) QueryTableWithCtx(ctx context.Context, ptrStructOrTableName interface{}) QuerySeter {
+	return nil
+}
+
+func (d *DoNothingOrm) DBStats() *sql.DBStats {
+	return nil
+}
+
+func (d *DoNothingOrm) Insert(md interface{}) (int64, error) {
+	return 0, nil
+}
+
+func (d *DoNothingOrm) InsertWithCtx(ctx context.Context, md interface{}) (int64, error) {
+	return 0, nil
+}
+
+func (d *DoNothingOrm) InsertOrUpdate(md interface{}, colConflitAndArgs ...string) (int64, error) {
+	return 0, nil
+}
+
+func (d *DoNothingOrm) InsertOrUpdateWithCtx(ctx context.Context, md interface{}, colConflitAndArgs ...string) (int64, error) {
+	return 0, nil
+}
+
+func (d *DoNothingOrm) InsertMulti(bulk int, mds interface{}) (int64, error) {
+	return 0, nil
+}
+
+func (d *DoNothingOrm) InsertMultiWithCtx(ctx context.Context, bulk int, mds interface{}) (int64, error) {
+	return 0, nil
+}
+
+func (d *DoNothingOrm) Update(md interface{}, cols ...string) (int64, error) {
+	return 0, nil
+}
+
+func (d *DoNothingOrm) UpdateWithCtx(ctx context.Context, md interface{}, cols ...string) (int64, error) {
+	return 0, nil
+}
+
+func (d *DoNothingOrm) Delete(md interface{}, cols ...string) (int64, error) {
+	return 0, nil
+}
+
+func (d *DoNothingOrm) DeleteWithCtx(ctx context.Context, md interface{}, cols ...string) (int64, error) {
+	return 0, nil
+}
+
+func (d *DoNothingOrm) Raw(query string, args ...interface{}) RawSeter {
+	return nil
+}
+
+func (d *DoNothingOrm) RawWithCtx(ctx context.Context, query string, args ...interface{}) RawSeter {
+	return nil
+}
+
+func (d *DoNothingOrm) Driver() Driver {
+	return nil
+}
+
+func (d *DoNothingOrm) Begin() (TxOrmer, error) {
+	return nil, nil
+}
+
+func (d *DoNothingOrm) BeginWithCtx(ctx context.Context) (TxOrmer, error) {
+	return nil, nil
+}
+
+func (d *DoNothingOrm) BeginWithOpts(opts *sql.TxOptions) (TxOrmer, error) {
+	return nil, nil
+}
+
+func (d *DoNothingOrm) BeginWithCtxAndOpts(ctx context.Context, opts *sql.TxOptions) (TxOrmer, error) {
+	return nil, nil
+}
+
+func (d *DoNothingOrm) DoTx(task func(txOrm TxOrmer) error) error {
+	return nil
+}
+
+func (d *DoNothingOrm) DoTxWithCtx(ctx context.Context, task func(txOrm TxOrmer) error) error {
+	return nil
+}
+
+func (d *DoNothingOrm) DoTxWithOpts(opts *sql.TxOptions, task func(txOrm TxOrmer) error) error {
+	return nil
+}
+
+func (d *DoNothingOrm) DoTxWithCtxAndOpts(ctx context.Context, opts *sql.TxOptions, task func(txOrm TxOrmer) error) error {
+	return nil
+}
+
+// DoNothingTxOrm is similar with DoNothingOrm, usually you use it to test
+type DoNothingTxOrm struct {
+	DoNothingOrm
+}
+
+func (d *DoNothingTxOrm) Commit() error {
+	return nil
+}
+
+func (d *DoNothingTxOrm) Rollback() error {
+	return nil
+}

pkg/orm/filter.go

@@ -0,0 +1,32 @@
+// Copyright 2020 beego 
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package orm
+
+import (
+	"context"
+)
+
+type FilterChain func(next Filter) Filter
+
+type Filter func(ctx context.Context, inv *Invocation)
+
+var globalFilterChains = make([]FilterChain, 0, 4)
+
+// AddGlobalFilterChain adds a new FilterChain
+// All orm instances built after this invocation will use this filterChain,
+// but instances built before this invocation will not be affected
+func AddGlobalFilterChain(filterChain FilterChain) {
+	globalFilterChains = append(globalFilterChains, filterChain)
+}

pkg/orm/filter_orm_decorator.go

@@ -0,0 +1,519 @@
+// Copyright 2020 beego 
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package orm
+
+import (
+	"context"
+	"database/sql"
+	"reflect"
+	"time"
+)
+
+const TxNameKey = "TxName"
+
+type filterOrmDecorator struct {
+	ormer
+	TxBeginner
+	TxCommitter
+
+	root Filter
+
+	insideTx    bool
+	txStartTime time.Time
+	txName      string
+}
+
+func NewFilterOrmDecorator(delegate Ormer, filterChains ...FilterChain) Ormer {
+	res := &filterOrmDecorator{
+		ormer:      delegate,
+		TxBeginner: delegate,
+		root: func(ctx context.Context, inv *Invocation) {
+			inv.execute()
+		},
+	}
+
+	for i := len(filterChains) - 1; i >= 0; i-- {
+		node := filterChains[i]
+		res.root = node(res.root)
+	}
+	return res
+}
+
+func NewFilterTxOrmDecorator(delegate TxOrmer, root Filter, txName string) TxOrmer {
+	res := &filterOrmDecorator{
+		ormer:       delegate,
+		TxCommitter: delegate,
+		root:        root,
+		insideTx:    true,
+		txStartTime: time.Now(),
+		txName: txName,
+	}
+	return res
+}
+
+func (f *filterOrmDecorator) Read(md interface{}, cols ...string) error {
+	return f.ReadWithCtx(context.Background(), md, cols...)
+}
+
+func (f *filterOrmDecorator) ReadWithCtx(ctx context.Context, md interface{}, cols ...string) (err error) {
+	mi, _ := modelCache.getByMd(md)
+	inv := &Invocation{
+		Method:      "ReadWithCtx",
+		Args:        []interface{}{md, cols},
+		Md:          md,
+		mi:          mi,
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			err = f.ormer.ReadWithCtx(ctx, md, cols...)
+		},
+	}
+	f.root(ctx, inv)
+	return err
+}
+
+func (f *filterOrmDecorator) ReadForUpdate(md interface{}, cols ...string) error {
+	return f.ReadForUpdateWithCtx(context.Background(), md, cols...)
+}
+
+func (f *filterOrmDecorator) ReadForUpdateWithCtx(ctx context.Context, md interface{}, cols ...string) error {
+	var err error
+	mi, _ := modelCache.getByMd(md)
+	inv := &Invocation{
+		Method:      "ReadForUpdateWithCtx",
+		Args:        []interface{}{md, cols},
+		Md:          md,
+		mi:          mi,
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			err = f.ormer.ReadForUpdateWithCtx(ctx, md, cols...)
+		},
+	}
+	f.root(ctx, inv)
+	return err
+}
+
+func (f *filterOrmDecorator) ReadOrCreate(md interface{}, col1 string, cols ...string) (bool, int64, error) {
+	return f.ReadOrCreateWithCtx(context.Background(), md, col1, cols...)
+}
+
+func (f *filterOrmDecorator) ReadOrCreateWithCtx(ctx context.Context, md interface{}, col1 string, cols ...string) (bool, int64, error) {
+	var (
+		ok  bool
+		res int64
+		err error
+	)
+
+	mi, _ := modelCache.getByMd(md)
+	inv := &Invocation{
+		Method:      "ReadOrCreateWithCtx",
+		Args:        []interface{}{md, col1, cols},
+		Md:          md,
+		mi:          mi,
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			ok, res, err = f.ormer.ReadOrCreateWithCtx(ctx, md, col1, cols...)
+		},
+	}
+	f.root(ctx, inv)
+	return ok, res, err
+}
+
+func (f *filterOrmDecorator) LoadRelated(md interface{}, name string, args ...interface{}) (int64, error) {
+	return f.LoadRelatedWithCtx(context.Background(), md, name, args...)
+}
+
+func (f *filterOrmDecorator) LoadRelatedWithCtx(ctx context.Context, md interface{}, name string, args ...interface{}) (int64, error) {
+	var (
+		res int64
+		err error
+	)
+
+	mi, _ := modelCache.getByMd(md)
+	inv := &Invocation{
+		Method:      "LoadRelatedWithCtx",
+		Args:        []interface{}{md, name, args},
+		Md:          md,
+		mi:          mi,
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			res, err = f.ormer.LoadRelatedWithCtx(ctx, md, name, args...)
+		},
+	}
+	f.root(ctx, inv)
+	return res, err
+}
+
+func (f *filterOrmDecorator) QueryM2M(md interface{}, name string) QueryM2Mer {
+	return f.QueryM2MWithCtx(context.Background(), md, name)
+}
+
+func (f *filterOrmDecorator) QueryM2MWithCtx(ctx context.Context, md interface{}, name string) QueryM2Mer {
+	var (
+		res QueryM2Mer
+	)
+
+	mi, _ := modelCache.getByMd(md)
+	inv := &Invocation{
+		Method:      "QueryM2MWithCtx",
+		Args:        []interface{}{md, name},
+		Md:          md,
+		mi:          mi,
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			res = f.ormer.QueryM2MWithCtx(ctx, md, name)
+		},
+	}
+	f.root(ctx, inv)
+	return res
+}
+
+func (f *filterOrmDecorator) QueryTable(ptrStructOrTableName interface{}) QuerySeter {
+	return f.QueryTableWithCtx(context.Background(), ptrStructOrTableName)
+}
+
+func (f *filterOrmDecorator) QueryTableWithCtx(ctx context.Context, ptrStructOrTableName interface{}) QuerySeter {
+	var (
+		res QuerySeter
+		name string
+		md interface{}
+		mi *modelInfo
+	)
+
+	if table, ok := ptrStructOrTableName.(string); ok {
+		name = table
+	} else {
+		name = getFullName(indirectType(reflect.TypeOf(ptrStructOrTableName)))
+		md = ptrStructOrTableName
+	}
+
+	if m, ok := modelCache.getByFullName(name); ok {
+		mi = m
+	}
+
+	inv := &Invocation{
+		Method:      "QueryTableWithCtx",
+		Args:        []interface{}{ptrStructOrTableName},
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		Md: md,
+		mi: mi,
+		f: func() {
+			res = f.ormer.QueryTableWithCtx(ctx, ptrStructOrTableName)
+		},
+	}
+	f.root(ctx, inv)
+	return res
+}
+
+func (f *filterOrmDecorator) DBStats() *sql.DBStats {
+	var (
+		res *sql.DBStats
+	)
+	inv := &Invocation{
+		Method:      "DBStats",
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			res = f.ormer.DBStats()
+		},
+	}
+	f.root(context.Background(), inv)
+	return res
+}
+
+func (f *filterOrmDecorator) Insert(md interface{}) (int64, error) {
+	return f.InsertWithCtx(context.Background(), md)
+}
+
+func (f *filterOrmDecorator) InsertWithCtx(ctx context.Context, md interface{}) (int64, error) {
+	var (
+		res int64
+		err error
+	)
+	mi, _ := modelCache.getByMd(md)
+	inv := &Invocation{
+		Method:      "InsertWithCtx",
+		Args:        []interface{}{md},
+		Md:          md,
+		mi:          mi,
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			res, err = f.ormer.InsertWithCtx(ctx, md)
+		},
+	}
+	f.root(ctx, inv)
+	return res, err
+}
+
+func (f *filterOrmDecorator) InsertOrUpdate(md interface{}, colConflitAndArgs ...string) (int64, error) {
+	return f.InsertOrUpdateWithCtx(context.Background(), md, colConflitAndArgs...)
+}
+
+func (f *filterOrmDecorator) InsertOrUpdateWithCtx(ctx context.Context, md interface{}, colConflitAndArgs ...string) (int64, error) {
+	var (
+		res int64
+		err error
+	)
+	mi, _ := modelCache.getByMd(md)
+	inv := &Invocation{
+		Method:      "InsertOrUpdateWithCtx",
+		Args:        []interface{}{md, colConflitAndArgs},
+		Md:          md,
+		mi:          mi,
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			res, err = f.ormer.InsertOrUpdateWithCtx(ctx, md, colConflitAndArgs...)
+		},
+	}
+	f.root(ctx, inv)
+	return res, err
+}
+
+func (f *filterOrmDecorator) InsertMulti(bulk int, mds interface{}) (int64, error) {
+	return f.InsertMultiWithCtx(context.Background(), bulk, mds)
+}
+
+// InsertMultiWithCtx uses the first element's model info
+func (f *filterOrmDecorator) InsertMultiWithCtx(ctx context.Context, bulk int, mds interface{}) (int64, error) {
+	var (
+		res int64
+		err error
+		md  interface{}
+		mi  *modelInfo
+	)
+
+	sind := reflect.Indirect(reflect.ValueOf(mds))
+
+	if (sind.Kind() == reflect.Array || sind.Kind() == reflect.Slice) && sind.Len() > 0 {
+		ind := reflect.Indirect(sind.Index(0))
+		md = ind.Interface()
+		mi, _ = modelCache.getByMd(md)
+	}
+
+	inv := &Invocation{
+		Method:      "InsertMultiWithCtx",
+		Args:        []interface{}{bulk, mds},
+		Md:          md,
+		mi:          mi,
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			res, err = f.ormer.InsertMultiWithCtx(ctx, bulk, mds)
+		},
+	}
+	f.root(ctx, inv)
+	return res, err
+}
+
+func (f *filterOrmDecorator) Update(md interface{}, cols ...string) (int64, error) {
+	return f.UpdateWithCtx(context.Background(), md, cols...)
+}
+
+func (f *filterOrmDecorator) UpdateWithCtx(ctx context.Context, md interface{}, cols ...string) (int64, error) {
+	var (
+		res int64
+		err error
+	)
+	mi, _ := modelCache.getByMd(md)
+	inv := &Invocation{
+		Method:      "UpdateWithCtx",
+		Args:        []interface{}{md, cols},
+		Md:          md,
+		mi:          mi,
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			res, err = f.ormer.UpdateWithCtx(ctx, md, cols...)
+		},
+	}
+	f.root(ctx, inv)
+	return res, err
+}
+
+func (f *filterOrmDecorator) Delete(md interface{}, cols ...string) (int64, error) {
+	return f.DeleteWithCtx(context.Background(), md, cols...)
+}
+
+func (f *filterOrmDecorator) DeleteWithCtx(ctx context.Context, md interface{}, cols ...string) (int64, error) {
+	var (
+		res int64
+		err error
+	)
+	mi, _ := modelCache.getByMd(md)
+	inv := &Invocation{
+		Method:      "DeleteWithCtx",
+		Args:        []interface{}{md, cols},
+		Md:          md,
+		mi:          mi,
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			res, err = f.ormer.DeleteWithCtx(ctx, md, cols...)
+		},
+	}
+	f.root(ctx, inv)
+	return res, err
+}
+
+func (f *filterOrmDecorator) Raw(query string, args ...interface{}) RawSeter {
+	return f.RawWithCtx(context.Background(), query, args...)
+}
+
+func (f *filterOrmDecorator) RawWithCtx(ctx context.Context, query string, args ...interface{}) RawSeter {
+	var (
+		res RawSeter
+	)
+	inv := &Invocation{
+		Method:      "RawWithCtx",
+		Args:        []interface{}{query, args},
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			res = f.ormer.RawWithCtx(ctx, query, args...)
+		},
+	}
+	f.root(ctx, inv)
+	return res
+}
+
+func (f *filterOrmDecorator) Driver() Driver {
+	var (
+		res Driver
+	)
+	inv := &Invocation{
+		Method:      "Driver",
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			res = f.ormer.Driver()
+		},
+	}
+	f.root(context.Background(), inv)
+	return res
+}
+
+func (f *filterOrmDecorator) Begin() (TxOrmer, error) {
+	return f.BeginWithCtxAndOpts(context.Background(), nil)
+}
+
+func (f *filterOrmDecorator) BeginWithCtx(ctx context.Context) (TxOrmer, error) {
+	return f.BeginWithCtxAndOpts(ctx, nil)
+}
+
+func (f *filterOrmDecorator) BeginWithOpts(opts *sql.TxOptions) (TxOrmer, error) {
+	return f.BeginWithCtxAndOpts(context.Background(), opts)
+}
+
+func (f *filterOrmDecorator) BeginWithCtxAndOpts(ctx context.Context, opts *sql.TxOptions) (TxOrmer, error) {
+	var (
+		res TxOrmer
+		err error
+	)
+	inv := &Invocation{
+		Method:      "BeginWithCtxAndOpts",
+		Args:        []interface{}{opts},
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		f: func() {
+			res, err = f.TxBeginner.BeginWithCtxAndOpts(ctx, opts)
+			res = NewFilterTxOrmDecorator(res, f.root, getTxNameFromCtx(ctx))
+		},
+	}
+	f.root(ctx, inv)
+	return res, err
+}
+
+func (f *filterOrmDecorator) DoTx(task func(txOrm TxOrmer) error) error {
+	return f.DoTxWithCtxAndOpts(context.Background(), nil, task)
+}
+
+func (f *filterOrmDecorator) DoTxWithCtx(ctx context.Context, task func(txOrm TxOrmer) error) error {
+	return f.DoTxWithCtxAndOpts(ctx, nil, task)
+}
+
+func (f *filterOrmDecorator) DoTxWithOpts(opts *sql.TxOptions, task func(txOrm TxOrmer) error) error {
+	return f.DoTxWithCtxAndOpts(context.Background(), opts, task)
+}
+
+func (f *filterOrmDecorator) DoTxWithCtxAndOpts(ctx context.Context, opts *sql.TxOptions, task func(txOrm TxOrmer) error) error {
+	var (
+		err error
+	)
+
+	inv := &Invocation{
+		Method:      "DoTxWithCtxAndOpts",
+		Args:        []interface{}{opts, task},
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		TxName:      getTxNameFromCtx(ctx),
+		f: func() {
+			err = f.TxBeginner.DoTxWithCtxAndOpts(ctx, opts, task)
+		},
+	}
+	f.root(ctx, inv)
+	return err
+}
+
+func (f *filterOrmDecorator) Commit() error {
+	var (
+		err error
+	)
+	inv := &Invocation{
+		Method:      "Commit",
+		Args:        []interface{}{},
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		TxName:      f.txName,
+		f: func() {
+			err = f.TxCommitter.Commit()
+		},
+	}
+	f.root(context.Background(), inv)
+	return err
+}
+
+func (f *filterOrmDecorator) Rollback() error {
+	var (
+		err error
+	)
+	inv := &Invocation{
+		Method:      "Rollback",
+		Args:        []interface{}{},
+		InsideTx:    f.insideTx,
+		TxStartTime: f.txStartTime,
+		TxName:      f.txName,
+		f: func() {
+			err = f.TxCommitter.Rollback()
+		},
+	}
+	f.root(context.Background(), inv)
+	return err
+}
+
+func getTxNameFromCtx(ctx context.Context) string {
+	txName := ""
+	if n, ok := ctx.Value(TxNameKey).(string); ok {
+		txName = n
+	}
+	return txName
+}
+

pkg/orm/filter_orm_decorator_test.go

@@ -0,0 +1,432 @@
+// Copyright 2020 beego 
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package orm
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"sync"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestFilterOrmDecorator_Read(t *testing.T) {
+
+	register()
+
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "ReadWithCtx", inv.Method)
+			assert.Equal(t, 2, len(inv.Args))
+			assert.Equal(t, "FILTER_TEST", inv.GetTableName())
+			next(ctx, inv)
+		}
+	})
+
+	fte := &FilterTestEntity{}
+	err := od.Read(fte)
+	assert.NotNil(t, err)
+	assert.Equal(t, "read error", err.Error())
+}
+
+func TestFilterOrmDecorator_BeginTx(t *testing.T) {
+	register()
+
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			if inv.Method == "BeginWithCtxAndOpts" {
+				assert.Equal(t, 1, len(inv.Args))
+				assert.Equal(t, "", inv.GetTableName())
+				assert.False(t, inv.InsideTx)
+			} else if inv.Method == "Commit" {
+				assert.Equal(t, 0, len(inv.Args))
+				assert.Equal(t, "Commit_tx", inv.TxName)
+				assert.Equal(t, "", inv.GetTableName())
+				assert.True(t, inv.InsideTx)
+			} else if inv.Method == "Rollback" {
+				assert.Equal(t, 0, len(inv.Args))
+				assert.Equal(t, "Rollback_tx", inv.TxName)
+				assert.Equal(t, "", inv.GetTableName())
+				assert.True(t, inv.InsideTx)
+			} else {
+				t.Fail()
+			}
+
+			next(ctx, inv)
+		}
+	})
+	to, err := od.Begin()
+	assert.True(t, validateBeginResult(t, to, err))
+
+	to, err = od.BeginWithOpts(nil)
+	assert.True(t, validateBeginResult(t, to, err))
+
+	ctx := context.WithValue(context.Background(), TxNameKey, "Commit_tx")
+	to, err = od.BeginWithCtx(ctx)
+	assert.True(t, validateBeginResult(t, to, err))
+
+	err = to.Commit()
+	assert.NotNil(t, err)
+	assert.Equal(t, "commit", err.Error())
+
+	ctx = context.WithValue(context.Background(), TxNameKey, "Rollback_tx")
+	to, err = od.BeginWithCtxAndOpts(ctx, nil)
+	assert.True(t, validateBeginResult(t, to, err))
+
+	err = to.Rollback()
+	assert.NotNil(t, err)
+	assert.Equal(t, "rollback", err.Error())
+}
+
+func TestFilterOrmDecorator_DBStats(t *testing.T) {
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "DBStats", inv.Method)
+			assert.Equal(t, 0, len(inv.Args))
+			assert.Equal(t, "", inv.GetTableName())
+			next(ctx, inv)
+		}
+	})
+	res := od.DBStats()
+	assert.NotNil(t, res)
+	assert.Equal(t, -1, res.MaxOpenConnections)
+}
+
+func TestFilterOrmDecorator_Delete(t *testing.T) {
+	register()
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "DeleteWithCtx", inv.Method)
+			assert.Equal(t, 2, len(inv.Args))
+			assert.Equal(t, "FILTER_TEST", inv.GetTableName())
+			next(ctx, inv)
+		}
+	})
+	res, err := od.Delete(&FilterTestEntity{})
+	assert.NotNil(t, err)
+	assert.Equal(t, "delete error", err.Error())
+	assert.Equal(t, int64(-2), res)
+}
+
+func TestFilterOrmDecorator_DoTx(t *testing.T) {
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "DoTxWithCtxAndOpts", inv.Method)
+			assert.Equal(t, 2, len(inv.Args))
+			assert.Equal(t, "", inv.GetTableName())
+			assert.False(t, inv.InsideTx)
+			next(ctx, inv)
+		}
+	})
+
+	err := od.DoTx(func(txOrm TxOrmer) error {
+		return errors.New("tx error")
+	})
+	assert.NotNil(t, err)
+	assert.Equal(t, "tx error", err.Error())
+
+	err = od.DoTxWithCtx(context.Background(), func(txOrm TxOrmer) error {
+		return errors.New("tx ctx error")
+	})
+	assert.NotNil(t, err)
+	assert.Equal(t, "tx ctx error", err.Error())
+
+	err = od.DoTxWithOpts(nil, func(txOrm TxOrmer) error {
+		return errors.New("tx opts error")
+	})
+	assert.NotNil(t, err)
+	assert.Equal(t, "tx opts error", err.Error())
+
+	od = NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "DoTxWithCtxAndOpts", inv.Method)
+			assert.Equal(t, 2, len(inv.Args))
+			assert.Equal(t, "", inv.GetTableName())
+			assert.Equal(t, "do tx name", inv.TxName)
+			assert.False(t, inv.InsideTx)
+			next(ctx, inv)
+		}
+	})
+
+	ctx := context.WithValue(context.Background(), TxNameKey, "do tx name")
+	err = od.DoTxWithCtxAndOpts(ctx, nil, func(txOrm TxOrmer) error {
+		return errors.New("tx ctx opts error")
+	})
+	assert.NotNil(t, err)
+	assert.Equal(t, "tx ctx opts error", err.Error())
+}
+
+func TestFilterOrmDecorator_Driver(t *testing.T) {
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "Driver", inv.Method)
+			assert.Equal(t, 0, len(inv.Args))
+			assert.Equal(t, "", inv.GetTableName())
+			assert.False(t, inv.InsideTx)
+			next(ctx, inv)
+		}
+	})
+	res := od.Driver()
+	assert.Nil(t, res)
+}
+
+func TestFilterOrmDecorator_Insert(t *testing.T) {
+	register()
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "InsertWithCtx", inv.Method)
+			assert.Equal(t, 1, len(inv.Args))
+			assert.Equal(t, "FILTER_TEST", inv.GetTableName())
+			assert.False(t, inv.InsideTx)
+			next(ctx, inv)
+		}
+	})
+
+	i, err := od.Insert(&FilterTestEntity{})
+	assert.NotNil(t, err)
+	assert.Equal(t, "insert error", err.Error())
+	assert.Equal(t, int64(100), i)
+}
+
+func TestFilterOrmDecorator_InsertMulti(t *testing.T) {
+	register()
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "InsertMultiWithCtx", inv.Method)
+			assert.Equal(t, 2, len(inv.Args))
+			assert.Equal(t, "FILTER_TEST", inv.GetTableName())
+			assert.False(t, inv.InsideTx)
+			next(ctx, inv)
+		}
+	})
+
+	bulk := []*FilterTestEntity{&FilterTestEntity{}, &FilterTestEntity{}}
+	i, err := od.InsertMulti(2, bulk)
+	assert.NotNil(t, err)
+	assert.Equal(t, "insert multi error", err.Error())
+	assert.Equal(t, int64(2), i)
+}
+
+func TestFilterOrmDecorator_InsertOrUpdate(t *testing.T) {
+	register()
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "InsertOrUpdateWithCtx", inv.Method)
+			assert.Equal(t, 2, len(inv.Args))
+			assert.Equal(t, "FILTER_TEST", inv.GetTableName())
+			assert.False(t, inv.InsideTx)
+			next(ctx, inv)
+		}
+	})
+	i, err := od.InsertOrUpdate(&FilterTestEntity{})
+	assert.NotNil(t, err)
+	assert.Equal(t, "insert or update error", err.Error())
+	assert.Equal(t, int64(1), i)
+}
+
+func TestFilterOrmDecorator_LoadRelated(t *testing.T) {
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "LoadRelatedWithCtx", inv.Method)
+			assert.Equal(t, 3, len(inv.Args))
+			assert.Equal(t, "FILTER_TEST", inv.GetTableName())
+			assert.False(t, inv.InsideTx)
+			next(ctx, inv)
+		}
+	})
+	i, err := od.LoadRelated(&FilterTestEntity{}, "hello")
+	assert.NotNil(t, err)
+	assert.Equal(t, "load related error", err.Error())
+	assert.Equal(t, int64(99), i)
+}
+
+func TestFilterOrmDecorator_QueryM2M(t *testing.T) {
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "QueryM2MWithCtx", inv.Method)
+			assert.Equal(t, 2, len(inv.Args))
+			assert.Equal(t, "FILTER_TEST", inv.GetTableName())
+			assert.False(t, inv.InsideTx)
+			next(ctx, inv)
+		}
+	})
+	res := od.QueryM2M(&FilterTestEntity{}, "hello")
+	assert.Nil(t, res)
+}
+
+func TestFilterOrmDecorator_QueryTable(t *testing.T) {
+	register()
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "QueryTableWithCtx", inv.Method)
+			assert.Equal(t, 1, len(inv.Args))
+			assert.Equal(t, "FILTER_TEST", inv.GetTableName())
+			assert.False(t, inv.InsideTx)
+			next(ctx, inv)
+		}
+	})
+	res := od.QueryTable(&FilterTestEntity{})
+	assert.Nil(t, res)
+}
+
+func TestFilterOrmDecorator_Raw(t *testing.T) {
+	register()
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "RawWithCtx", inv.Method)
+			assert.Equal(t, 2, len(inv.Args))
+			assert.Equal(t, "", inv.GetTableName())
+			assert.False(t, inv.InsideTx)
+			next(ctx, inv)
+		}
+	})
+	res := od.Raw("hh")
+	assert.Nil(t, res)
+}
+
+func TestFilterOrmDecorator_ReadForUpdate(t *testing.T) {
+	register()
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "ReadForUpdateWithCtx", inv.Method)
+			assert.Equal(t, 2, len(inv.Args))
+			assert.Equal(t, "FILTER_TEST", inv.GetTableName())
+			assert.False(t, inv.InsideTx)
+			next(ctx, inv)
+		}
+	})
+	err := od.ReadForUpdate(&FilterTestEntity{})
+	assert.NotNil(t, err)
+	assert.Equal(t, "read for update error", err.Error())
+}
+
+func TestFilterOrmDecorator_ReadOrCreate(t *testing.T) {
+	register()
+	o := &filterMockOrm{}
+	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+			assert.Equal(t, "ReadOrCreateWithCtx", inv.Method)
+			assert.Equal(t, 3, len(inv.Args))
+			assert.Equal(t, "FILTER_TEST", inv.GetTableName())
+			assert.False(t, inv.InsideTx)
+			next(ctx, inv)
+		}
+	})
+	ok, i, err := od.ReadOrCreate(&FilterTestEntity{}, "name")
+	assert.NotNil(t, err)
+	assert.Equal(t, "read or create error", err.Error())
+	assert.True(t, ok)
+	assert.Equal(t, int64(13), i)
+}
+
+// filterMockOrm is only used in this test file
+type filterMockOrm struct {
+	DoNothingOrm
+}
+
+func (f *filterMockOrm) ReadOrCreateWithCtx(ctx context.Context, md interface{}, col1 string, cols ...string) (bool, int64, error) {
+	return true, 13, errors.New("read or create error")
+}
+
+func (f *filterMockOrm) ReadForUpdateWithCtx(ctx context.Context, md interface{}, cols ...string) error {
+	return errors.New("read for update error")
+}
+
+func (f *filterMockOrm) LoadRelatedWithCtx(ctx context.Context, md interface{}, name string, args ...interface{}) (int64, error) {
+	return 99, errors.New("load related error")
+}
+
+func (f *filterMockOrm) InsertOrUpdateWithCtx(ctx context.Context, md interface{}, colConflitAndArgs ...string) (int64, error) {
+	return 1, errors.New("insert or update error")
+}
+
+func (f *filterMockOrm) InsertMultiWithCtx(ctx context.Context, bulk int, mds interface{}) (int64, error) {
+	return 2, errors.New("insert multi error")
+}
+
+func (f *filterMockOrm) InsertWithCtx(ctx context.Context, md interface{}) (int64, error) {
+	return 100, errors.New("insert error")
+}
+
+func (f *filterMockOrm) DoTxWithCtxAndOpts(ctx context.Context, opts *sql.TxOptions, task func(txOrm TxOrmer) error) error {
+	return task(nil)
+}
+
+func (f *filterMockOrm) DeleteWithCtx(ctx context.Context, md interface{}, cols ...string) (int64, error) {
+	return -2, errors.New("delete error")
+}
+
+func (f *filterMockOrm) BeginWithCtxAndOpts(ctx context.Context, opts *sql.TxOptions) (TxOrmer, error) {
+	return &filterMockOrm{}, errors.New("begin tx")
+}
+
+func (f *filterMockOrm) ReadWithCtx(ctx context.Context, md interface{}, cols ...string) error {
+	return errors.New("read error")
+}
+
+func (f *filterMockOrm) Commit() error {
+	return errors.New("commit")
+}
+
+func (f *filterMockOrm) Rollback() error {
+	return errors.New("rollback")
+}
+
+func (f *filterMockOrm) DBStats() *sql.DBStats {
+	return &sql.DBStats{
+		MaxOpenConnections: -1,
+	}
+}
+
+func validateBeginResult(t *testing.T, to TxOrmer, err error) bool {
+	assert.NotNil(t, err)
+	assert.Equal(t, "begin tx", err.Error())
+	_, ok := to.(*filterOrmDecorator).TxCommitter.(*filterMockOrm)
+	assert.True(t, ok)
+	return true
+}
+
+var filterTestEntityRegisterOnce sync.Once
+
+type FilterTestEntity struct {
+	ID   int
+	Name string
+}
+
+func register() {
+	filterTestEntityRegisterOnce.Do(func() {
+		RegisterModel(&FilterTestEntity{})
+	})
+}
+
+func (f *FilterTestEntity) TableName() string {
+	return "FILTER_TEST"
+}

pkg/orm/filter_test.go

@@ -0,0 +1,31 @@
+// Copyright 2020 beego 
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package orm
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAddGlobalFilterChain(t *testing.T) {
+	AddGlobalFilterChain(func(next Filter) Filter {
+		return func(ctx context.Context, inv *Invocation) {
+
+		}
+	})
+	assert.Equal(t, 1, len(globalFilterChains))
+}

pkg/orm/invocation.go

@@ -0,0 +1,48 @@
+// Copyright 2020 beego 
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package orm
+
+import (
+	"time"
+)
+
+// Invocation represents an "Orm" invocation
+type Invocation struct {
+	Method string
+	// Md may be nil in some cases. It depends on method
+	Md     interface{}
+	// the args are all arguments except context.Context
+	Args   []interface{}
+
+	mi *modelInfo
+	// f is the Orm operation
+	f  func()
+
+	// insideTx indicates whether this is inside a transaction
+	InsideTx bool
+	TxStartTime time.Time
+	TxName string
+}
+
+func (inv *Invocation) GetTableName() string {
+	if inv.mi != nil{
+		return inv.mi.table
+	}
+	return ""
+}
+
+func (inv *Invocation) execute() {
+	inv.f()
+}

pkg/orm/models.go

@@ -15,6 +15,7 @@
 package orm
 
 import (
+	"reflect"
 	"sync"
 )
 
@@ -73,6 +74,14 @@ func (mc *_modelCache) getByFullName(name string) (mi *modelInfo, ok bool) {
 	return
 }
 
+func (mc *_modelCache) getByMd(md interface{}) (*modelInfo, bool) {
+	val := reflect.ValueOf(md)
+	ind := reflect.Indirect(val)
+	typ := ind.Type()
+	name := getFullName(typ)
+	return mc.getByFullName(name)
+}
+
 // set model info to collection
 func (mc *_modelCache) set(table string, mi *modelInfo) *modelInfo {
 	mii := mc.cache[table]

pkg/orm/orm_test.go

@@ -2486,3 +2486,5 @@ func TestInsertOrUpdate(t *testing.T) {
 		throwFailNow(t, AssertIs((((user2.Status+1)-1)*3)/3, test.Status))
 	}
 }
+
+

pkg/orm/types.go

@@ -204,17 +204,19 @@ type DriverGetter interface {
 	Driver() Driver
 }
 
-type Ormer interface {
+type ormer interface {
 	DQL
 	DML
 	DriverGetter
+}
+
+type Ormer interface {
+	ormer
 	TxBeginner
 }
 
 type TxOrmer interface {
-	DQL
-	DML
-	DriverGetter
+	ormer
 	TxCommitter
 }