Refactor orm filter

githook/pre-commit

@@ -1,6 +1,6 @@
 
-goimports -l pkg
-goimports -l examples
+goimports -w -format-only pkg
+goimports -w -format-only examples
 
 ineffassign .
 

pkg/bean/context.go

@@ -17,5 +17,4 @@ package bean
 // ApplicationContext define for future
 // when we decide to support DI, IoC, this will be core API
 type ApplicationContext interface {
-
 }

pkg/bean/time_type_adapter.go

@@ -17,7 +17,6 @@ package bean
 import (
 	"context"
 	"time"
-
 )
 
 // TimeTypeAdapter process the time.Time

pkg/context/param/parsers_test.go

@@ -1,8 +1,10 @@
 package param
 
-import "testing"
-import "reflect"
-import "time"
+import (
+	"reflect"
+	"testing"
+	"time"
+)
 
 type testDefinition struct {
 	strValue       string

pkg/controller_test.go

@@ -21,9 +21,10 @@ import (
 
 	"github.com/stretchr/testify/assert"
 
-	"github.com/astaxie/beego/pkg/context"
 	"os"
 	"path/filepath"
+
+	"github.com/astaxie/beego/pkg/context"
 )
 
 func TestGetInt(t *testing.T) {

pkg/orm/db.go

@@ -18,10 +18,11 @@ import (
 	"database/sql"
 	"errors"
 	"fmt"
-	"github.com/astaxie/beego/pkg/orm/hints"
 	"reflect"
 	"strings"
 	"time"
+
+	"github.com/astaxie/beego/pkg/orm/hints"
 )
 
 const (
@@ -1954,5 +1955,3 @@ func (d *dbBase) GenerateSpecifyIndex(tableName string, useIndex int, indexes []
 
 	return fmt.Sprintf(` %s INDEX(%s) `, useWay, strings.Join(s, `,`))
 }
-
-

pkg/orm/db_alias.go

@@ -18,10 +18,11 @@ import (
 	"context"
 	"database/sql"
 	"fmt"
-	"github.com/astaxie/beego/pkg/orm/hints"
 	"sync"
 	"time"
 
+	"github.com/astaxie/beego/pkg/orm/hints"
+
 	lru "github.com/hashicorp/golang-lru"
 
 	"github.com/astaxie/beego/pkg/common"

pkg/orm/db_alias_test.go

@@ -15,10 +15,11 @@
 package orm
 
 import (
-	"github.com/astaxie/beego/pkg/orm/hints"
 	"testing"
 	"time"
 
+	"github.com/astaxie/beego/pkg/orm/hints"
+
 	"github.com/stretchr/testify/assert"
 )
 

pkg/orm/db_oracle.go

@@ -16,8 +16,9 @@ package orm
 
 import (
 	"fmt"
-	"github.com/astaxie/beego/pkg/orm/hints"
 	"strings"
+
+	"github.com/astaxie/beego/pkg/orm/hints"
 )
 
 // oracle operators.

pkg/orm/db_postgres.go

@@ -92,7 +92,6 @@ func (d *dbBasePostgres) MaxLimit() uint64 {
 	return 0
 }
 
-
 // postgresql quote is ".
 func (d *dbBasePostgres) TableQuote() string {
 	return `"`

pkg/orm/db_sqlite.go

@@ -17,10 +17,11 @@ package orm
 import (
 	"database/sql"
 	"fmt"
-	"github.com/astaxie/beego/pkg/orm/hints"
 	"reflect"
 	"strings"
 	"time"
+
+	"github.com/astaxie/beego/pkg/orm/hints"
 )
 
 // sqlite operators.
@@ -173,7 +174,6 @@ func (d *dbBaseSqlite) GenerateSpecifyIndex(tableName string, useIndex int, inde
 	}
 }
 
-
 // create new sqlite dbBaser.
 func newdbBaseSqlite() dbBaser {
 	b := new(dbBaseSqlite)

pkg/orm/do_nothing_orm.go

@@ -17,6 +17,7 @@ package orm
 import (
 	"context"
 	"database/sql"
+
 	"github.com/astaxie/beego/pkg/common"
 )
 
@@ -27,7 +28,6 @@ import (
 var _ Ormer = new(DoNothingOrm)
 
 type DoNothingOrm struct {
-
 }
 
 func (d *DoNothingOrm) Read(md interface{}, cols ...string) error {

pkg/orm/filter.go

@@ -24,7 +24,11 @@ type FilterChain func(next Filter) Filter
 
 // Filter's behavior is a little big strange.
 // it's only be called when users call methods of Ormer
-type Filter func(ctx context.Context, inv *Invocation)
+// return value is an array. it's a little bit hard to understand,
+// for example, the Ormer's Read method only return error
+// so the filter processing this method should return an array whose first element is error
+// and, Ormer's ReadOrCreateWithCtx return three values, so the Filter's result should contains three values
+type Filter func(ctx context.Context, inv *Invocation) []interface{}
 
 var globalFilterChains = make([]FilterChain, 0, 4)
 

pkg/orm/filter/bean/default_value_filter.go

@@ -76,7 +76,7 @@ func NewDefaultValueFilterChainBuilder(typeAdapters map[string]bean.TypeAdapter,
 }
 
 func (d *DefaultValueFilterChainBuilder) FilterChain(next orm.Filter) orm.Filter {
-	return func(ctx context.Context, inv *orm.Invocation) {
+	return func(ctx context.Context, inv *orm.Invocation) []interface{} {
 		switch inv.Method {
 		case "Insert", "InsertWithCtx":
 			d.handleInsert(ctx, inv)
@@ -88,7 +88,7 @@ func (d *DefaultValueFilterChainBuilder) FilterChain(next orm.Filter) orm.Filter
 			d.handleInsertMulti(ctx, inv)
 			break
 		}
-		next(ctx, inv)
+		return next(ctx, inv)
 	}
 }
 

pkg/orm/filter/opentracing/filter.go

@@ -36,17 +36,17 @@ type FilterChainBuilder struct {
 }
 
 func (builder *FilterChainBuilder) FilterChain(next orm.Filter) orm.Filter {
-	return func(ctx context.Context, inv *orm.Invocation) {
+	return func(ctx context.Context, inv *orm.Invocation) []interface{} {
 		operationName := builder.operationName(ctx, inv)
 		if strings.HasPrefix(inv.Method, "Begin") || inv.Method == "Commit" || inv.Method == "Rollback" {
-			next(ctx, inv)
-			return
+			return next(ctx, inv)
 		}
 
 		span, spanCtx := opentracing.StartSpanFromContext(ctx, operationName)
 		defer span.Finish()
-		next(spanCtx, inv)
+		res := next(spanCtx, inv)
 		builder.buildSpan(span, spanCtx, inv)
+		return res
 	}
 }
 

pkg/orm/filter/opentracing/filter_test.go

@@ -25,8 +25,9 @@ import (
 )
 
 func TestFilterChainBuilder_FilterChain(t *testing.T) {
-	next := func(ctx context.Context, inv *orm.Invocation) {
+	next := func(ctx context.Context, inv *orm.Invocation) []interface{} {
 		inv.TxName = "Hello"
+		return []interface{}{}
 	}
 
 	builder := &FilterChainBuilder{

pkg/orm/filter/prometheus/filter.go

@@ -56,15 +56,16 @@ func NewFilterChainBuilder() *FilterChainBuilder {
 }
 
 func (builder *FilterChainBuilder) FilterChain(next orm.Filter) orm.Filter {
-	return func(ctx context.Context, inv *orm.Invocation) {
+	return func(ctx context.Context, inv *orm.Invocation) []interface{} {
 		startTime := time.Now()
-		next(ctx, inv)
+		res := next(ctx, inv)
 		endTime := time.Now()
 		dur := (endTime.Sub(startTime)) / time.Millisecond
 
 		// if the TPS is too large, here may be some problem
 		// thinking about using goroutine pool
 		go builder.report(ctx, inv, dur)
+		return res
 	}
 }
 

pkg/orm/filter/prometheus/filter_test.go

@@ -28,8 +28,9 @@ func TestFilterChainBuilder_FilterChain(t *testing.T) {
 	builder := NewFilterChainBuilder()
 	assert.NotNil(t, builder.summaryVec)
 
-	filter := builder.FilterChain(func(ctx context.Context, inv *orm.Invocation) {
+	filter := builder.FilterChain(func(ctx context.Context, inv *orm.Invocation) []interface{} {
 		inv.Method = "coming"
+		return []interface{}{}
 	})
 	assert.NotNil(t, filter)
 

pkg/orm/filter_orm_decorator.go

@@ -17,9 +17,10 @@ package orm
 import (
 	"context"
 	"database/sql"
-	"github.com/astaxie/beego/pkg/common"
 	"reflect"
 	"time"
+
+	"github.com/astaxie/beego/pkg/common"
 )
 
 const (
@@ -45,8 +46,8 @@ func NewFilterOrmDecorator(delegate Ormer, filterChains ...FilterChain) Ormer {
 	res := &filterOrmDecorator{
 		ormer:      delegate,
 		TxBeginner: delegate,
-		root: func(ctx context.Context, inv *Invocation) {
-			inv.execute(ctx)
+		root: func(ctx context.Context, inv *Invocation) []interface{} {
+			return inv.execute(ctx)
 		},
 	}
 
@@ -73,7 +74,7 @@ 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) {
+func (f *filterOrmDecorator) ReadWithCtx(ctx context.Context, md interface{}, cols ...string) error {
 	mi, _ := modelCache.getByMd(md)
 	inv := &Invocation{
 		Method:      "ReadWithCtx",
@@ -82,12 +83,13 @@ func (f *filterOrmDecorator) ReadWithCtx(ctx context.Context, md interface{}, co
 		mi:          mi,
 		InsideTx:    f.insideTx,
 		TxStartTime: f.txStartTime,
-		f: func(c context.Context) {
-			err = f.ormer.ReadWithCtx(c, md, cols...)
+		f: func(c context.Context) []interface{} {
+			err := f.ormer.ReadWithCtx(c, md, cols...)
+			return []interface{}{err}
 		},
 	}
-	f.root(ctx, inv)
-	return err
+	res := f.root(ctx, inv)
+	return f.convertError(res[0])
 }
 
 func (f *filterOrmDecorator) ReadForUpdate(md interface{}, cols ...string) error {
@@ -95,7 +97,6 @@ func (f *filterOrmDecorator) ReadForUpdate(md interface{}, cols ...string) error
 }
 
 func (f *filterOrmDecorator) ReadForUpdateWithCtx(ctx context.Context, md interface{}, cols ...string) error {
-	var err error
 	mi, _ := modelCache.getByMd(md)
 	inv := &Invocation{
 		Method:      "ReadForUpdateWithCtx",
@@ -104,12 +105,13 @@ func (f *filterOrmDecorator) ReadForUpdateWithCtx(ctx context.Context, md interf
 		mi:          mi,
 		InsideTx:    f.insideTx,
 		TxStartTime: f.txStartTime,
-		f: func(c context.Context) {
-			err = f.ormer.ReadForUpdateWithCtx(c, md, cols...)
+		f: func(c context.Context) []interface{} {
+			err := f.ormer.ReadForUpdateWithCtx(c, md, cols...)
+			return []interface{}{err}
 		},
 	}
-	f.root(ctx, inv)
-	return err
+	res := f.root(ctx, inv)
+	return f.convertError(res[0])
 }
 
 func (f *filterOrmDecorator) ReadOrCreate(md interface{}, col1 string, cols ...string) (bool, int64, error) {
@@ -117,11 +119,6 @@ func (f *filterOrmDecorator) ReadOrCreate(md interface{}, col1 string, cols ...s
 }
 
 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{
@@ -131,12 +128,13 @@ func (f *filterOrmDecorator) ReadOrCreateWithCtx(ctx context.Context, md interfa
 		mi:          mi,
 		InsideTx:    f.insideTx,
 		TxStartTime: f.txStartTime,
-		f: func(c context.Context) {
-			ok, res, err = f.ormer.ReadOrCreateWithCtx(c, md, col1, cols...)
+		f: func(c context.Context) []interface{} {
+			ok, res, err := f.ormer.ReadOrCreateWithCtx(c, md, col1, cols...)
+			return []interface{}{ok, res, err}
 		},
 	}
-	f.root(ctx, inv)
-	return ok, res, err
+	res := f.root(ctx, inv)
+	return res[0].(bool), res[1].(int64), f.convertError(res[2])
 }
 
 func (f *filterOrmDecorator) LoadRelated(md interface{}, name string, args ...common.KV) (int64, error) {
@@ -144,10 +142,6 @@ func (f *filterOrmDecorator) LoadRelated(md interface{}, name string, args ...co
 }
 
 func (f *filterOrmDecorator) LoadRelatedWithCtx(ctx context.Context, md interface{}, name string, args ...common.KV) (int64, error) {
-	var (
-		res int64
-		err error
-	)
 
 	mi, _ := modelCache.getByMd(md)
 	inv := &Invocation{
@@ -157,12 +151,13 @@ func (f *filterOrmDecorator) LoadRelatedWithCtx(ctx context.Context, md interfac
 		mi:          mi,
 		InsideTx:    f.insideTx,
 		TxStartTime: f.txStartTime,
-		f: func(c context.Context) {
-			res, err = f.ormer.LoadRelatedWithCtx(c, md, name, args...)
+		f: func(c context.Context) []interface{} {
+			res, err := f.ormer.LoadRelatedWithCtx(c, md, name, args...)
+			return []interface{}{res, err}
 		},
 	}
-	f.root(ctx, inv)
-	return res, err
+	res := f.root(ctx, inv)
+	return res[0].(int64), f.convertError(res[1])
 }
 
 func (f *filterOrmDecorator) QueryM2M(md interface{}, name string) QueryM2Mer {
@@ -170,9 +165,6 @@ func (f *filterOrmDecorator) QueryM2M(md interface{}, name string) QueryM2Mer {
 }
 
 func (f *filterOrmDecorator) QueryM2MWithCtx(ctx context.Context, md interface{}, name string) QueryM2Mer {
-	var (
-		res QueryM2Mer
-	)
 
 	mi, _ := modelCache.getByMd(md)
 	inv := &Invocation{
@@ -182,12 +174,16 @@ func (f *filterOrmDecorator) QueryM2MWithCtx(ctx context.Context, md interface{}
 		mi:          mi,
 		InsideTx:    f.insideTx,
 		TxStartTime: f.txStartTime,
-		f: func(c context.Context) {
-			res = f.ormer.QueryM2MWithCtx(c, md, name)
+		f: func(c context.Context) []interface{} {
+			res := f.ormer.QueryM2MWithCtx(c, md, name)
+			return []interface{}{res}
 		},
 	}
-	f.root(ctx, inv)
-	return res
+	res := f.root(ctx, inv)
+	if res[0] == nil {
+		return nil
+	}
+	return res[0].(QueryM2Mer)
 }
 
 func (f *filterOrmDecorator) QueryTable(ptrStructOrTableName interface{}) QuerySeter {
@@ -196,7 +192,6 @@ func (f *filterOrmDecorator) QueryTable(ptrStructOrTableName interface{}) QueryS
 
 func (f *filterOrmDecorator) QueryTableWithCtx(ctx context.Context, ptrStructOrTableName interface{}) QuerySeter {
 	var (
-		res  QuerySeter
 		name string
 		md   interface{}
 		mi   *modelInfo
@@ -220,28 +215,36 @@ func (f *filterOrmDecorator) QueryTableWithCtx(ctx context.Context, ptrStructOrT
 		TxStartTime: f.txStartTime,
 		Md:          md,
 		mi:          mi,
-		f: func(c context.Context) {
-			res = f.ormer.QueryTableWithCtx(c, ptrStructOrTableName)
+		f: func(c context.Context) []interface{} {
+			res := f.ormer.QueryTableWithCtx(c, ptrStructOrTableName)
+			return []interface{}{res}
 		},
 	}
-	f.root(ctx, inv)
-	return res
+	res := f.root(ctx, inv)
+
+	if res[0] == nil {
+		return nil
+	}
+	return res[0].(QuerySeter)
 }
 
 func (f *filterOrmDecorator) DBStats() *sql.DBStats {
-	var (
-		res *sql.DBStats
-	)
 	inv := &Invocation{
 		Method:      "DBStats",
 		InsideTx:    f.insideTx,
 		TxStartTime: f.txStartTime,
-		f: func(c context.Context) {
-			res = f.ormer.DBStats()
+		f: func(c context.Context) []interface{} {
+			res := f.ormer.DBStats()
+			return []interface{}{res}
 		},
 	}
-	f.root(context.Background(), inv)
-	return res
+	res := f.root(context.Background(), inv)
+
+	if res[0] == nil {
+		return nil
+	}
+
+	return res[0].(*sql.DBStats)
 }
 
 func (f *filterOrmDecorator) Insert(md interface{}) (int64, error) {
@@ -249,10 +252,6 @@ func (f *filterOrmDecorator) Insert(md interface{}) (int64, error) {
 }
 
 func (f *filterOrmDecorator) InsertWithCtx(ctx context.Context, md interface{}) (int64, error) {
-	var (
-		res int64
-		err error
-	)
 	mi, _ := modelCache.getByMd(md)
 	inv := &Invocation{
 		Method:      "InsertWithCtx",
@@ -261,12 +260,13 @@ func (f *filterOrmDecorator) InsertWithCtx(ctx context.Context, md interface{})
 		mi:          mi,
 		InsideTx:    f.insideTx,
 		TxStartTime: f.txStartTime,
-		f: func(c context.Context) {
-			res, err = f.ormer.InsertWithCtx(c, md)
+		f: func(c context.Context) []interface{} {
+			res, err := f.ormer.InsertWithCtx(c, md)
+			return []interface{}{res, err}
 		},
 	}
-	f.root(ctx, inv)
-	return res, err
+	res := f.root(ctx, inv)
+	return res[0].(int64), f.convertError(res[1])
 }
 
 func (f *filterOrmDecorator) InsertOrUpdate(md interface{}, colConflitAndArgs ...string) (int64, error) {
@@ -274,10 +274,6 @@ func (f *filterOrmDecorator) InsertOrUpdate(md interface{}, 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",
@@ -286,12 +282,13 @@ func (f *filterOrmDecorator) InsertOrUpdateWithCtx(ctx context.Context, md inter
 		mi:          mi,
 		InsideTx:    f.insideTx,
 		TxStartTime: f.txStartTime,
-		f: func(c context.Context) {
-			res, err = f.ormer.InsertOrUpdateWithCtx(c, md, colConflitAndArgs...)
+		f: func(c context.Context) []interface{} {
+			res, err := f.ormer.InsertOrUpdateWithCtx(c, md, colConflitAndArgs...)
+			return []interface{}{res, err}
 		},
 	}
-	f.root(ctx, inv)
-	return res, err
+	res := f.root(ctx, inv)
+	return res[0].(int64), f.convertError(res[1])
 }
 
 func (f *filterOrmDecorator) InsertMulti(bulk int, mds interface{}) (int64, error) {
@@ -301,8 +298,6 @@ func (f *filterOrmDecorator) InsertMulti(bulk int, mds interface{}) (int64, erro
 // 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
 	)
@@ -322,12 +317,13 @@ func (f *filterOrmDecorator) InsertMultiWithCtx(ctx context.Context, bulk int, m
 		mi:          mi,
 		InsideTx:    f.insideTx,
 		TxStartTime: f.txStartTime,
-		f: func(c context.Context) {
-			res, err = f.ormer.InsertMultiWithCtx(c, bulk, mds)
+		f: func(c context.Context) []interface{} {
+			res, err := f.ormer.InsertMultiWithCtx(c, bulk, mds)
+			return []interface{}{res, err}
 		},
 	}
-	f.root(ctx, inv)
-	return res, err
+	res := f.root(ctx, inv)
+	return res[0].(int64), f.convertError(res[1])
 }
 
 func (f *filterOrmDecorator) Update(md interface{}, cols ...string) (int64, error) {
@@ -335,10 +331,6 @@ func (f *filterOrmDecorator) Update(md interface{}, cols ...string) (int64, erro
 }
 
 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",
@@ -347,12 +339,13 @@ func (f *filterOrmDecorator) UpdateWithCtx(ctx context.Context, md interface{},
 		mi:          mi,
 		InsideTx:    f.insideTx,
 		TxStartTime: f.txStartTime,
-		f: func(c context.Context) {
-			res, err = f.ormer.UpdateWithCtx(c, md, cols...)
+		f: func(c context.Context) []interface{} {
+			res, err := f.ormer.UpdateWithCtx(c, md, cols...)
+			return []interface{}{res, err}
 		},
 	}
-	f.root(ctx, inv)
-	return res, err
+	res := f.root(ctx, inv)
+	return res[0].(int64), f.convertError(res[1])
 }
 
 func (f *filterOrmDecorator) Delete(md interface{}, cols ...string) (int64, error) {
@@ -360,10 +353,6 @@ func (f *filterOrmDecorator) Delete(md interface{}, cols ...string) (int64, erro
 }
 
 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",
@@ -372,12 +361,13 @@ func (f *filterOrmDecorator) DeleteWithCtx(ctx context.Context, md interface{},
 		mi:          mi,
 		InsideTx:    f.insideTx,
 		TxStartTime: f.txStartTime,
-		f: func(c context.Context) {
-			res, err = f.ormer.DeleteWithCtx(c, md, cols...)
+		f: func(c context.Context) []interface{} {
+			res, err := f.ormer.DeleteWithCtx(c, md, cols...)
+			return []interface{}{res, err}
 		},
 	}
-	f.root(ctx, inv)
-	return res, err
+	res := f.root(ctx, inv)
+	return res[0].(int64), f.convertError(res[1])
 }
 
 func (f *filterOrmDecorator) Raw(query string, args ...interface{}) RawSeter {
@@ -385,36 +375,39 @@ func (f *filterOrmDecorator) Raw(query string, args ...interface{}) RawSeter {
 }
 
 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(c context.Context) {
-			res = f.ormer.RawWithCtx(c, query, args...)
+		f: func(c context.Context) []interface{} {
+			res := f.ormer.RawWithCtx(c, query, args...)
+			return []interface{}{res}
 		},
 	}
-	f.root(ctx, inv)
-	return res
+	res := f.root(ctx, inv)
+
+	if res[0] == nil {
+		return nil
+	}
+	return res[0].(RawSeter)
 }
 
 func (f *filterOrmDecorator) Driver() Driver {
-	var (
-		res Driver
-	)
 	inv := &Invocation{
 		Method:      "Driver",
 		InsideTx:    f.insideTx,
 		TxStartTime: f.txStartTime,
-		f: func(c context.Context) {
-			res = f.ormer.Driver()
+		f: func(c context.Context) []interface{} {
+			res := f.ormer.Driver()
+			return []interface{}{res}
 		},
 	}
-	f.root(context.Background(), inv)
-	return res
+	res := f.root(context.Background(), inv)
+	if res[0] == nil {
+		return nil
+	}
+	return res[0].(Driver)
 }
 
 func (f *filterOrmDecorator) Begin() (TxOrmer, error) {
@@ -430,22 +423,19 @@ func (f *filterOrmDecorator) BeginWithOpts(opts *sql.TxOptions) (TxOrmer, error)
 }
 
 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(c context.Context) {
-			res, err = f.TxBeginner.BeginWithCtxAndOpts(c, opts)
+		f: func(c context.Context) []interface{} {
+			res, err := f.TxBeginner.BeginWithCtxAndOpts(c, opts)
 			res = NewFilterTxOrmDecorator(res, f.root, getTxNameFromCtx(c))
+			return []interface{}{res, err}
 		},
 	}
-	f.root(ctx, inv)
-	return res, err
+	res := f.root(ctx, inv)
+	return res[0].(TxOrmer), f.convertError(res[1])
 }
 
 func (f *filterOrmDecorator) DoTx(task func(ctx context.Context, txOrm TxOrmer) error) error {
@@ -461,58 +451,58 @@ func (f *filterOrmDecorator) DoTxWithOpts(opts *sql.TxOptions, task func(ctx con
 }
 
 func (f *filterOrmDecorator) DoTxWithCtxAndOpts(ctx context.Context, opts *sql.TxOptions, task func(ctx context.Context, 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(c context.Context) {
-			err = doTxTemplate(f, c, opts, task)
+		f: func(c context.Context) []interface{} {
+			err := doTxTemplate(f, c, opts, task)
+			return []interface{}{err}
 		},
 	}
-	f.root(ctx, inv)
-	return err
+	res := f.root(ctx, inv)
+	return f.convertError(res[0])
 }
 
 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(c context.Context) {
-			err = f.TxCommitter.Commit()
+		f: func(c context.Context) []interface{} {
+			err := f.TxCommitter.Commit()
+			return []interface{}{err}
 		},
 	}
-	f.root(context.Background(), inv)
-	return err
+	res := f.root(context.Background(), inv)
+	return f.convertError(res[0])
 }
 
 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(c context.Context) {
-			err = f.TxCommitter.Rollback()
+		f: func(c context.Context) []interface{} {
+			err := f.TxCommitter.Rollback()
+			return []interface{}{err}
 		},
 	}
-	f.root(context.Background(), inv)
-	return err
+	res := f.root(context.Background(), inv)
+	return f.convertError(res[0])
+}
+
+func (f *filterOrmDecorator) convertError(v interface{}) error {
+	if v == nil {
+		return nil
+	}
+	return v.(error)
 }
 
 func getTxNameFromCtx(ctx context.Context) string {

pkg/orm/filter_orm_decorator_test.go

@@ -18,10 +18,11 @@ import (
 	"context"
 	"database/sql"
 	"errors"
-	"github.com/astaxie/beego/pkg/common"
 	"sync"
 	"testing"
 
+	"github.com/astaxie/beego/pkg/common"
+
 	"github.com/stretchr/testify/assert"
 )
 
@@ -31,11 +32,11 @@ func TestFilterOrmDecorator_Read(t *testing.T) {
 
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			assert.Equal(t, "ReadWithCtx", inv.Method)
 			assert.Equal(t, 2, len(inv.Args))
 			assert.Equal(t, "FILTER_TEST", inv.GetTableName())
-			next(ctx, inv)
+			return next(ctx, inv)
 		}
 	})
 
@@ -50,7 +51,7 @@ func TestFilterOrmDecorator_BeginTx(t *testing.T) {
 
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			if inv.Method == "BeginWithCtxAndOpts" {
 				assert.Equal(t, 1, len(inv.Args))
 				assert.Equal(t, "", inv.GetTableName())
@@ -69,7 +70,7 @@ func TestFilterOrmDecorator_BeginTx(t *testing.T) {
 				t.Fail()
 			}
 
-			next(ctx, inv)
+			return next(ctx, inv)
 		}
 	})
 	to, err := od.Begin()
@@ -98,11 +99,11 @@ func TestFilterOrmDecorator_BeginTx(t *testing.T) {
 func TestFilterOrmDecorator_DBStats(t *testing.T) {
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			assert.Equal(t, "DBStats", inv.Method)
 			assert.Equal(t, 0, len(inv.Args))
 			assert.Equal(t, "", inv.GetTableName())
-			next(ctx, inv)
+			return next(ctx, inv)
 		}
 	})
 	res := od.DBStats()
@@ -114,11 +115,11 @@ func TestFilterOrmDecorator_Delete(t *testing.T) {
 	register()
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{}  {
 			assert.Equal(t, "DeleteWithCtx", inv.Method)
 			assert.Equal(t, 2, len(inv.Args))
 			assert.Equal(t, "FILTER_TEST", inv.GetTableName())
-			next(ctx, inv)
+			return next(ctx, inv)
 		}
 	})
 	res, err := od.Delete(&FilterTestEntity{})
@@ -130,14 +131,13 @@ func TestFilterOrmDecorator_Delete(t *testing.T) {
 func TestFilterOrmDecorator_DoTx(t *testing.T) {
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			if inv.Method == "DoTxWithCtxAndOpts" {
 				assert.Equal(t, 2, len(inv.Args))
 				assert.Equal(t, "", inv.GetTableName())
 				assert.False(t, inv.InsideTx)
 			}
-
-			next(ctx, inv)
+			return next(ctx, inv)
 		}
 	})
 
@@ -156,16 +156,15 @@ func TestFilterOrmDecorator_DoTx(t *testing.T) {
 	})
 	assert.NotNil(t, err)
 
-
 	od = NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			if inv.Method == "DoTxWithCtxAndOpts" {
 				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)
+			return next(ctx, inv)
 		}
 	})
 
@@ -179,12 +178,12 @@ func TestFilterOrmDecorator_DoTx(t *testing.T) {
 func TestFilterOrmDecorator_Driver(t *testing.T) {
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			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)
+			return next(ctx, inv)
 		}
 	})
 	res := od.Driver()
@@ -195,12 +194,12 @@ func TestFilterOrmDecorator_Insert(t *testing.T) {
 	register()
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			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)
+			return next(ctx, inv)
 		}
 	})
 
@@ -214,12 +213,12 @@ func TestFilterOrmDecorator_InsertMulti(t *testing.T) {
 	register()
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			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)
+			return next(ctx, inv)
 		}
 	})
 
@@ -234,12 +233,12 @@ func TestFilterOrmDecorator_InsertOrUpdate(t *testing.T) {
 	register()
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			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)
+			return next(ctx, inv)
 		}
 	})
 	i, err := od.InsertOrUpdate(&FilterTestEntity{})
@@ -251,12 +250,12 @@ func TestFilterOrmDecorator_InsertOrUpdate(t *testing.T) {
 func TestFilterOrmDecorator_LoadRelated(t *testing.T) {
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			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)
+			return next(ctx, inv)
 		}
 	})
 	i, err := od.LoadRelated(&FilterTestEntity{}, "hello")
@@ -268,12 +267,12 @@ func TestFilterOrmDecorator_LoadRelated(t *testing.T) {
 func TestFilterOrmDecorator_QueryM2M(t *testing.T) {
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			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)
+			return next(ctx, inv)
 		}
 	})
 	res := od.QueryM2M(&FilterTestEntity{}, "hello")
@@ -284,12 +283,12 @@ func TestFilterOrmDecorator_QueryTable(t *testing.T) {
 	register()
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			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)
+			return next(ctx, inv)
 		}
 	})
 	res := od.QueryTable(&FilterTestEntity{})
@@ -300,12 +299,12 @@ func TestFilterOrmDecorator_Raw(t *testing.T) {
 	register()
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			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)
+			return next(ctx, inv)
 		}
 	})
 	res := od.Raw("hh")
@@ -316,12 +315,12 @@ func TestFilterOrmDecorator_ReadForUpdate(t *testing.T) {
 	register()
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			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)
+			return next(ctx, inv)
 		}
 	})
 	err := od.ReadForUpdate(&FilterTestEntity{})
@@ -333,12 +332,12 @@ func TestFilterOrmDecorator_ReadOrCreate(t *testing.T) {
 	register()
 	o := &filterMockOrm{}
 	od := NewFilterOrmDecorator(o, func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
+		return func(ctx context.Context, inv *Invocation) []interface{} {
 			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)
+			return next(ctx, inv)
 		}
 	})
 	ok, i, err := od.ReadOrCreate(&FilterTestEntity{}, "name")

pkg/orm/filter_test.go

@@ -23,8 +23,8 @@ import (
 
 func TestAddGlobalFilterChain(t *testing.T) {
 	AddGlobalFilterChain(func(next Filter) Filter {
-		return func(ctx context.Context, inv *Invocation) {
-
+		return func(ctx context.Context, inv *Invocation) []interface{} {
+			return next(ctx, inv)
 		}
 	})
 	assert.Equal(t, 1, len(globalFilterChains))

pkg/orm/hints/db_hints.go

@@ -15,8 +15,9 @@
 package hints
 
 import (
-	"github.com/astaxie/beego/pkg/common"
 	"time"
+
+	"github.com/astaxie/beego/pkg/common"
 )
 
 const (

pkg/orm/hints/db_hints_test.go

@@ -15,9 +15,10 @@
 package hints
 
 import (
-	"github.com/stretchr/testify/assert"
 	"testing"
 	"time"
+
+	"github.com/stretchr/testify/assert"
 )
 
 func TestNewHint_time(t *testing.T) {

pkg/orm/invocation.go

@@ -29,7 +29,7 @@ type Invocation struct {
 
 	mi *modelInfo
 	// f is the Orm operation
-	f func(ctx context.Context)
+	f func(ctx context.Context) []interface{}
 
 	// insideTx indicates whether this is inside a transaction
 	InsideTx    bool
@@ -44,8 +44,8 @@ func (inv *Invocation) GetTableName() string {
 	return ""
 }
 
-func (inv *Invocation) execute(ctx context.Context) {
-	inv.f(ctx)
+func (inv *Invocation) execute(ctx context.Context) []interface{} {
+	return inv.f(ctx)
 }
 
 // GetPkFieldName return the primary key of this table

pkg/orm/models_test.go

@@ -18,11 +18,12 @@ import (
 	"database/sql"
 	"encoding/json"
 	"fmt"
-	"github.com/astaxie/beego/pkg/orm/hints"
 	"os"
 	"strings"
 	"time"
 
+	"github.com/astaxie/beego/pkg/orm/hints"
+
 	_ "github.com/go-sql-driver/mysql"
 	_ "github.com/lib/pq"
 	_ "github.com/mattn/go-sqlite3"

pkg/orm/orm.go

@@ -58,12 +58,13 @@ import (
 	"database/sql"
 	"errors"
 	"fmt"
-	"github.com/astaxie/beego/pkg/common"
-	"github.com/astaxie/beego/pkg/orm/hints"
 	"os"
 	"reflect"
 	"time"
 
+	"github.com/astaxie/beego/pkg/common"
+	"github.com/astaxie/beego/pkg/orm/hints"
+
 	"github.com/astaxie/beego/pkg/logs"
 )
 

pkg/orm/orm_queryset.go

@@ -17,6 +17,7 @@ package orm
 import (
 	"context"
 	"fmt"
+
 	"github.com/astaxie/beego/pkg/orm/hints"
 )
 

pkg/orm/orm_raw.go

@@ -17,9 +17,10 @@ package orm
 import (
 	"database/sql"
 	"fmt"
-	"github.com/pkg/errors"
 	"reflect"
 	"time"
+
+	"github.com/pkg/errors"
 )
 
 // raw sql string prepared statement

pkg/orm/orm_test.go

@@ -21,7 +21,6 @@ import (
 	"context"
 	"database/sql"
 	"fmt"
-	"github.com/astaxie/beego/pkg/orm/hints"
 	"io/ioutil"
 	"math"
 	"os"
@@ -32,6 +31,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/astaxie/beego/pkg/orm/hints"
+
 	"github.com/stretchr/testify/assert"
 )
 

pkg/orm/types.go

@@ -17,9 +17,10 @@ package orm
 import (
 	"context"
 	"database/sql"
-	"github.com/astaxie/beego/pkg/common"
 	"reflect"
 	"time"
+
+	"github.com/astaxie/beego/pkg/common"
 )
 
 // TableNaming is usually used by model

pkg/parser.go

@@ -19,7 +19,6 @@ import (
 	"errors"
 	"fmt"
 	"go/ast"
-	"golang.org/x/tools/go/packages"
 	"io/ioutil"
 	"os"
 	"path/filepath"
@@ -29,6 +28,8 @@ import (
 	"strings"
 	"unicode"
 
+	"golang.org/x/tools/go/packages"
+
 	"github.com/astaxie/beego/pkg/context/param"
 	"github.com/astaxie/beego/pkg/logs"
 	"github.com/astaxie/beego/pkg/utils"

pkg/plugins/auth/basic.go

@@ -40,7 +40,7 @@ import (
 	"net/http"
 	"strings"
 
-	"github.com/astaxie/beego/pkg"
+	beego "github.com/astaxie/beego/pkg"
 	"github.com/astaxie/beego/pkg/context"
 )
 

pkg/plugins/authz/authz.go

@@ -40,10 +40,11 @@
 package authz
 
 import (
-	"github.com/astaxie/beego/pkg"
+	"net/http"
+
+	beego "github.com/astaxie/beego/pkg"
 	"github.com/astaxie/beego/pkg/context"
 	"github.com/casbin/casbin"
-	"net/http"
 )
 
 // NewAuthorizer returns the authorizer.

pkg/plugins/authz/authz_test.go

@@ -15,13 +15,14 @@
 package authz
 
 import (
-	"github.com/astaxie/beego/pkg"
-	"github.com/astaxie/beego/pkg/context"
-	"github.com/astaxie/beego/pkg/plugins/auth"
-	"github.com/casbin/casbin"
 	"net/http"
 	"net/http/httptest"
 	"testing"
+
+	beego "github.com/astaxie/beego/pkg"
+	"github.com/astaxie/beego/pkg/context"
+	"github.com/astaxie/beego/pkg/plugins/auth"
+	"github.com/casbin/casbin"
 )
 
 func testRequest(t *testing.T, handler *beego.ControllerRegister, user string, path string, method string, code int) {

pkg/plugins/cors/cors.go

@@ -42,7 +42,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/astaxie/beego/pkg"
+	beego "github.com/astaxie/beego/pkg"
 	"github.com/astaxie/beego/pkg/context"
 )
 

pkg/plugins/cors/cors_test.go

@@ -21,7 +21,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/astaxie/beego/pkg"
+	beego "github.com/astaxie/beego/pkg"
 	"github.com/astaxie/beego/pkg/context"
 )
 

pkg/session/redis_cluster/redis_cluster.go

@@ -33,13 +33,14 @@
 package redis_cluster
 
 import (
-	"github.com/astaxie/beego/pkg/session"
-	rediss "github.com/go-redis/redis/v7"
 	"net/http"
 	"strconv"
 	"strings"
 	"sync"
 	"time"
+
+	"github.com/astaxie/beego/pkg/session"
+	rediss "github.com/go-redis/redis/v7"
 )
 
 var redispder = &Provider{}

pkg/session/redis_sentinel/sess_redis_sentinel.go

@@ -33,13 +33,14 @@
 package redis_sentinel
 
 import (
-	"github.com/astaxie/beego/pkg/session"
-	"github.com/go-redis/redis/v7"
 	"net/http"
 	"strconv"
 	"strings"
 	"sync"
 	"time"
+
+	"github.com/astaxie/beego/pkg/session"
+	"github.com/go-redis/redis/v7"
 )
 
 var redispder = &Provider{}

pkg/staticfile.go

@@ -28,7 +28,7 @@ import (
 
 	"github.com/astaxie/beego/pkg/context"
 	"github.com/astaxie/beego/pkg/logs"
-	"github.com/hashicorp/golang-lru"
+	lru "github.com/hashicorp/golang-lru"
 )
 
 var errNotStaticRequest = errors.New("request not a static file request")

pkg/template_test.go

@@ -21,7 +21,7 @@ import (
 	"path/filepath"
 	"testing"
 
-	"github.com/elazarl/go-bindata-assetfs"
+	assetfs "github.com/elazarl/go-bindata-assetfs"
 	"github.com/stretchr/testify/assert"
 
 	"github.com/astaxie/beego/test"

pkg/utils/captcha/captcha.go

@@ -66,7 +66,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/astaxie/beego/pkg"
+	beego "github.com/astaxie/beego/pkg"
 	"github.com/astaxie/beego/pkg/cache"
 	"github.com/astaxie/beego/pkg/context"
 	"github.com/astaxie/beego/pkg/logs"

pkg/validation/validators.go

@@ -16,13 +16,14 @@ package validation
 
 import (
 	"fmt"
-	"github.com/astaxie/beego/pkg/logs"
 	"reflect"
 	"regexp"
 	"strings"
 	"sync"
 	"time"
 	"unicode/utf8"
+
+	"github.com/astaxie/beego/pkg/logs"
 )
 
 // CanSkipFuncs will skip valid if RequiredFirst is true and the struct field's value is empty

test/bindata.go

@@ -11,13 +11,14 @@ import (
 	"bytes"
 	"compress/gzip"
 	"fmt"
-	"github.com/elazarl/go-bindata-assetfs"
 	"io"
 	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
 	"time"
+
+	assetfs "github.com/elazarl/go-bindata-assetfs"
 )
 
 func bindataRead(data []byte, name string) ([]byte, error) {