orm update add

orm_v1.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"database/sql"
 	"errors"
+	"fmt"
 	"reflect"
 	"strings"
 )
@@ -133,6 +134,49 @@ func (star *StarDB) ExecXS(ins interface{}, args ...interface{}) ([]sql.Result,
 func (star *StarDB) ExecX(ins interface{}, args ...interface{}) (sql.Result, error) {
 	return star.execX(nil, ins, args...)
 }
+
+func getUpdateSentence(ins interface{}, sheetName string, primaryKey ...string) (string, []string, error) {
+	Keys, err := getAllRefKey(ins, "db")
+	if err != nil {
+		return "", []string{}, err
+	}
+	var mystr string
+	for k, v := range Keys {
+		mystr += fmt.Sprintf("%s=? ", v)
+		Keys[k] = ":" + v
+	}
+	mystr = fmt.Sprintf("update %s set %s where ", sheetName, mystr)
+	var whereSlice []string
+	for _, v := range primaryKey {
+		whereSlice = append(whereSlice, v+"=?")
+		Keys = append(Keys, ":"+v)
+	}
+	mystr += strings.Join(whereSlice, " and ")
+	return mystr, Keys, nil
+}
+
+func getInsertSentence(ins interface{}, sheetName string, autoIncrease ...string) (string, []string, error) {
+	Keys, err := getAllRefKey(ins, "db")
+	if err != nil {
+		return "", []string{}, err
+	}
+	var mystr, rps string
+	var rtnKeys []string
+cns:
+	for _, v := range Keys {
+		for _, vs := range autoIncrease {
+			if v == vs {
+				rps += "null,"
+				continue cns
+			}
+		}
+		rtnKeys = append(rtnKeys, ":"+v)
+		rps += "?,"
+	}
+	mystr = fmt.Sprintf("insert into %s (%s) values (%s) ", sheetName, strings.Join(Keys, ","), rps[:len(rps)-1])
+	return mystr, rtnKeys, nil
+}
+
 func (star *StarDB) execX(ctx context.Context, ins interface{}, args ...interface{}) (sql.Result, error) {
 	kvMap, err := getAllRefValue(ins, "db")
 	if err != nil {
@@ -161,10 +205,44 @@ func (star *StarDB) execX(ctx context.Context, ins interface{}, args ...interfac
 	return star.exec(ctx, args...)
 }
 
-func (star *StarDB) QueryXContext(ctx context.Context,ins interface{}, args ...interface{}) (*StarRows, error) {
+func (star *StarDB) Update(ins interface{}, sheetName string, primaryKey ...string) (sql.Result, error) {
+	return star.updateinsert(nil, true, ins, sheetName, primaryKey...)
+}
+
+func (star *StarDB) UpdateContext(ctx context.Context, ins interface{}, sheetName string, primaryKey ...string) (sql.Result, error) {
+	return star.updateinsert(ctx, true, ins, sheetName, primaryKey...)
+}
+
+func (star *StarDB) Insert(ins interface{}, sheetName string, primaryKey ...string) (sql.Result, error) {
+	return star.updateinsert(nil, false, ins, sheetName, primaryKey...)
+}
+
+func (star *StarDB) InsertContext(ctx context.Context, ins interface{}, sheetName string, primaryKey ...string) (sql.Result, error) {
+	return star.updateinsert(ctx, false, ins, sheetName, primaryKey...)
+}
+
+func (star *StarDB) updateinsert(ctx context.Context, isUpdate bool, ins interface{}, sheetName string, primaryKey ...string) (sql.Result, error) {
+	var sqlStr string
+	var para []string
+	var err error
+	if isUpdate {
+		sqlStr, para, err = getUpdateSentence(ins, sheetName, primaryKey...)
+	} else {
+		sqlStr, para, err = getInsertSentence(ins, sheetName, primaryKey...)
+	}
+	if err != nil {
+		return nil, err
+	}
+	tmpStr := append([]interface{}{}, sqlStr)
+	for _, v := range para {
+		tmpStr = append(tmpStr, v)
+	}
+	return star.execX(ctx, ins, tmpStr...)
+}
+func (star *StarDB) QueryXContext(ctx context.Context, ins interface{}, args ...interface{}) (*StarRows, error) {
 	return star.queryX(ctx, ins, args)
 }
-func (star *StarDB) QueryXSContext(ctx context.Context,ins interface{}, args ...interface{}) ([]*StarRows, error) {
+func (star *StarDB) QueryXSContext(ctx context.Context, ins interface{}, args ...interface{}) ([]*StarRows, error) {
 	var starRes []*StarRows
 	t := reflect.TypeOf(ins)
 	v := reflect.ValueOf(ins)
@@ -191,7 +269,7 @@ func (star *StarDB) QueryXSContext(ctx context.Context,ins interface{}, args ...
 	return starRes, nil
 }
 
-func (star *StarDB) ExecXSContext(ctx context.Context,ins interface{}, args ...interface{}) ([]sql.Result, error) {
+func (star *StarDB) ExecXSContext(ctx context.Context, ins interface{}, args ...interface{}) ([]sql.Result, error) {
 	var starRes []sql.Result
 	t := reflect.TypeOf(ins)
 	v := reflect.ValueOf(ins)
@@ -218,12 +296,10 @@ func (star *StarDB) ExecXSContext(ctx context.Context,ins interface{}, args ...i
 	return starRes, nil
 }
 
-func (star *StarDB) ExecXContext(ctx context.Context,ins interface{}, args ...interface{}) (sql.Result, error) {
+func (star *StarDB) ExecXContext(ctx context.Context, ins interface{}, args ...interface{}) (sql.Result, error) {
 	return star.execX(ctx, ins, args...)
 }
 
-
-
 func (star *StarTx) queryX(ctx context.Context, ins interface{}, args ...interface{}) (*StarRows, error) {
 	kvMap, err := getAllRefValue(ins, "db")
 	if err != nil {
@@ -254,6 +330,7 @@ func (star *StarTx) queryX(ctx context.Context, ins interface{}, args ...interfa
 func (star *StarTx) QueryX(ins interface{}, args ...interface{}) (*StarRows, error) {
 	return star.queryX(nil, ins, args)
 }
+
 func (star *StarTx) QueryXS(ins interface{}, args ...interface{}) ([]*StarRows, error) {
 	var starRes []*StarRows
 	t := reflect.TypeOf(ins)
@@ -280,7 +357,40 @@ func (star *StarTx) QueryXS(ins interface{}, args ...interface{}) ([]*StarRows,
 	}
 	return starRes, nil
 }
+func (star *StarTx) Update(ins interface{}, sheetName string, primaryKey ...string) (sql.Result, error) {
+	return star.updateinsert(nil, true, ins, sheetName, primaryKey...)
+}
+
+func (star *StarTx) UpdateContext(ctx context.Context, ins interface{}, sheetName string, primaryKey ...string) (sql.Result, error) {
+	return star.updateinsert(ctx, true, ins, sheetName, primaryKey...)
+}
 
+func (star *StarTx) Insert(ins interface{}, sheetName string, primaryKey ...string) (sql.Result, error) {
+	return star.updateinsert(nil, false, ins, sheetName, primaryKey...)
+}
+
+func (star *StarTx) InsertContext(ctx context.Context, ins interface{}, sheetName string, primaryKey ...string) (sql.Result, error) {
+	return star.updateinsert(ctx, false, ins, sheetName, primaryKey...)
+}
+
+func (star *StarTx) updateinsert(ctx context.Context, isUpdate bool, ins interface{}, sheetName string, primaryKey ...string) (sql.Result, error) {
+	var sqlStr string
+	var para []string
+	var err error
+	if isUpdate {
+		sqlStr, para, err = getUpdateSentence(ins, sheetName, primaryKey...)
+	} else {
+		sqlStr, para, err = getInsertSentence(ins, sheetName, primaryKey...)
+	}
+	if err != nil {
+		return nil, err
+	}
+	tmpStr := append([]interface{}{}, sqlStr)
+	for _, v := range para {
+		tmpStr = append(tmpStr, v)
+	}
+	return star.execX(ctx, ins, tmpStr...)
+}
 func (star *StarTx) ExecXS(ins interface{}, args ...interface{}) ([]sql.Result, error) {
 	var starRes []sql.Result
 	t := reflect.TypeOf(ins)
@@ -339,10 +449,10 @@ func (star *StarTx) execX(ctx context.Context, ins interface{}, args ...interfac
 	return star.exec(ctx, args...)
 }
 
-func (star *StarTx) QueryXContext(ctx context.Context,ins interface{}, args ...interface{}) (*StarRows, error) {
+func (star *StarTx) QueryXContext(ctx context.Context, ins interface{}, args ...interface{}) (*StarRows, error) {
 	return star.queryX(ctx, ins, args)
 }
-func (star *StarTx) QueryXSContext(ctx context.Context,ins interface{}, args ...interface{}) ([]*StarRows, error) {
+func (star *StarTx) QueryXSContext(ctx context.Context, ins interface{}, args ...interface{}) ([]*StarRows, error) {
 	var starRes []*StarRows
 	t := reflect.TypeOf(ins)
 	v := reflect.ValueOf(ins)
@@ -369,7 +479,7 @@ func (star *StarTx) QueryXSContext(ctx context.Context,ins interface{}, args ...
 	return starRes, nil
 }
 
-func (star *StarTx) ExecXSContext(ctx context.Context,ins interface{}, args ...interface{}) ([]sql.Result, error) {
+func (star *StarTx) ExecXSContext(ctx context.Context, ins interface{}, args ...interface{}) ([]sql.Result, error) {
 	var starRes []sql.Result
 	t := reflect.TypeOf(ins)
 	v := reflect.ValueOf(ins)
@@ -396,6 +506,6 @@ func (star *StarTx) ExecXSContext(ctx context.Context,ins interface{}, args ...i
 	return starRes, nil
 }
 
-func (star *StarTx) ExecXContext(ctx context.Context,ins interface{}, args ...interface{}) (sql.Result, error) {
+func (star *StarTx) ExecXContext(ctx context.Context, ins interface{}, args ...interface{}) (sql.Result, error) {
 	return star.execX(ctx, ins, args...)
 }

reflect.go

@@ -3,6 +3,7 @@ package stardb
 import (
 	"errors"
 	"reflect"
+	"time"
 )
 
 func (star *StarRows) setAllRefValue(stc interface{}, skey string, rows int) error {
@@ -24,20 +25,30 @@ func (star *StarRows) setAllRefValue(stc interface{}, skey string, rows int) err
 	for i := 0; i < t.NumField(); i++ {
 		tp := t.Field(i)
 		srFrd := v.Field(i)
+		seg := tp.Tag.Get(skey)
 
 		if srFrd.Kind() == reflect.Ptr && reflect.TypeOf(srFrd.Interface()).Elem().Kind() == reflect.Struct {
+			if seg == "" {
+				continue
+			}
+			if seg == "---" {
 				sp := reflect.New(reflect.TypeOf(srFrd.Interface()).Elem()).Interface()
 				star.setAllRefValue(sp, skey, rows)
 				v.Field(i).Set(reflect.ValueOf(sp))
 				continue
 			}
+		}
 		if srFrd.Kind() == reflect.Struct {
+			if seg == "" {
+				continue
+			}
+			if seg == "---" {
 				sp := reflect.New(reflect.TypeOf(v.Field(i).Interface())).Interface()
 				star.setAllRefValue(sp, skey, rows)
 				v.Field(i).Set(reflect.ValueOf(sp).Elem())
 				continue
 			}
-		seg := tp.Tag.Get(skey)
+		}
 		if seg == "" {
 			continue
 		}
@@ -71,6 +82,12 @@ func (star *StarRows) setAllRefValue(stc interface{}, skey string, rows int) err
 			v.Field(i).SetFloat(star.Row(rows).MustFloat64(seg))
 		case reflect.Float32:
 			v.Field(i).SetFloat(float64(star.Row(rows).MustFloat32(seg)))
+		case reflect.Interface, reflect.Struct, reflect.Ptr:
+			inf := star.Row(rows).Result[star.columnref[seg]]
+			switch vtype := inf.(type) {
+			case time.Time:
+				v.Field(i).Set(reflect.ValueOf(vtype))
+			}
 		default:
 		}
 
@@ -103,17 +120,25 @@ func getAllRefValue(stc interface{}, skey string) (map[string]interface{}, error
 	result := make(map[string]interface{})
 	t := reflect.TypeOf(stc)
 	v := reflect.ValueOf(stc)
-	if v.Kind() != reflect.Struct {
-		return nil, errors.New("interface{} is not a struct")
-	}
 	if t.Kind() == reflect.Ptr {
+		if v.IsNil() {
+			return nil, errors.New("ptr interface{} is nil")
+		}
 		t = t.Elem()
 		v = v.Elem()
 	}
+	if v.Kind() != reflect.Struct {
+		return nil, errors.New("interface{} is not a struct")
+	}
 	for i := 0; i < t.NumField(); i++ {
 		tp := t.Field(i)
 		srFrd := v.Field(i)
+		seg := tp.Tag.Get(skey)
 		if srFrd.Kind() == reflect.Ptr && reflect.TypeOf(srFrd.Interface()).Elem().Kind() == reflect.Struct {
+			if srFrd.IsNil() {
+				continue
+			}
+			if seg == "---" {
 				res, err := getAllRefValue(reflect.ValueOf(srFrd.Elem().Interface()).Interface(), skey)
 				if err != nil {
 					return result, err
@@ -123,8 +148,10 @@ func getAllRefValue(stc interface{}, skey string) (map[string]interface{}, error
 				}
 				continue
 			}
+		}
 		if v.Field(i).Kind() == reflect.Struct {
 			res, err := getAllRefValue(v.Field(i).Interface(), skey)
+			if seg == "---" {
 				if err != nil {
 					return result, err
 				}
@@ -133,7 +160,7 @@ func getAllRefValue(stc interface{}, skey string) (map[string]interface{}, error
 				}
 				continue
 			}
-		seg := tp.Tag.Get(skey)
+		}
 		if seg == "" {
 			continue
 		}
@@ -155,12 +182,21 @@ func getAllRefKey(stc interface{}, skey string) ([]string, error) {
 	t := reflect.TypeOf(stc)
 	v := reflect.ValueOf(stc)
 	if t.Kind() == reflect.Ptr {
+		if v.IsNil() {
+			return []string{}, errors.New("ptr interface{} is nil")
+		}
 		t = t.Elem()
 		v = v.Elem()
 	}
 	for i := 0; i < t.NumField(); i++ {
 		srFrd := v.Field(i)
+		profile := t.Field(i)
+		seg := profile.Tag.Get(skey)
 		if srFrd.Kind() == reflect.Ptr && reflect.TypeOf(srFrd.Interface()).Elem().Kind() == reflect.Struct {
+			if srFrd.IsNil() {
+				continue
+			}
+			if seg == "---" {
 				res, err := getAllRefKey(reflect.ValueOf(srFrd.Elem().Interface()).Interface(), skey)
 				if err != nil {
 					return result, err
@@ -170,7 +206,8 @@ func getAllRefKey(stc interface{}, skey string) ([]string, error) {
 				}
 				continue
 			}
-		if v.Field(i).Kind() == reflect.Struct {
+		}
+		if v.Field(i).Kind() == reflect.Struct && seg == "---" {
 			res, err := getAllRefKey(v.Field(i).Interface(), skey)
 			if err != nil {
 				return result, err
@@ -179,8 +216,6 @@ func getAllRefKey(stc interface{}, skey string) ([]string, error) {
 				result = append(result, v)
 			}
 		}
-		profile := t.Field(i)
-		seg := profile.Tag.Get(skey)
 		if seg != "" {
 			result = append(result, seg)
 		}

reflect_test.go

@@ -8,13 +8,24 @@ import (
 type Useless struct {
 	Leader string  `db:"leader"`
 	Usable bool    `db:"use"`
-	O      *Whoami
+	O      *Whoami `db:"---"`
 }
 
 type Whoami struct {
 	Hehe string `db:"hehe"`
 }
 
+func TestUpInOrm(t *testing.T) {
+	var hehe = Useless{
+		Leader: "no",
+		Usable: false,
+	}
+	sqlstr, param, err := getUpdateSentence(hehe, "ryz", "leader")
+	fmt.Println(sqlstr, param, err)
+	sqlstr, param, err = getInsertSentence(hehe, "ryz", "use")
+	fmt.Println(sqlstr, param, err)
+}
+
 func Test_SetRefVal(t *testing.T) {
 	var hehe = Useless{
 		Leader: "no",
@@ -24,6 +35,7 @@ func Test_SetRefVal(t *testing.T) {
 	fmt.Printf("%+v\n", hehe)
 	fmt.Printf("%+v\n", hehe)
 	fmt.Println(getAllRefKey(hehe, "db"))
+	fmt.Println(getAllRefValue(hehe, "db"))
 }
 
 func Test_Ref(t *testing.T) {
@@ -31,5 +43,7 @@ func Test_Ref(t *testing.T) {
 		Leader: "Heheeee",
 	}
 	oooooo.O = &Whoami{"fuck"}
-	fmt.Println(getAllRefKey(oooooo,"db"))
+	fmt.Println(getAllRefKey(oooooo, "db"))
+	fmt.Println(getAllRefValue(oooooo, "db"))
+	fmt.Println(getAllRefValue(&oooooo, "db"))
 }

stardb_v1.go

@@ -16,9 +16,8 @@ type StarDB struct {
 }
 
 type StarTx struct {
-	Db         *sql.DB
+	Db *StarDB
 	Tx *sql.Tx
-	ManualScan bool
 }
 
 // StarRows 为查询结果集（按行）
@@ -33,6 +32,11 @@ type StarRows struct {
 	parsed       bool
 }
 
+type StarDBStmt struct {
+	Stmt *sql.Stmt
+	Db   *StarDB
+}
+
 // StarResult 为查询结果集（总）
 type StarResult struct {
 	Result      []interface{}
@@ -848,7 +852,7 @@ func (star *StarDB) Begin() (*StarTx, error) {
 		return nil, err
 	}
 	stx := new(StarTx)
-	stx.Db = star.Db
+	stx.Db = star
 	stx.Tx = tx
 	return stx, err
 }
@@ -859,7 +863,7 @@ func (star *StarDB) BeginTx(ctx context.Context, opts *sql.TxOptions) (*StarTx,
 		return nil, err
 	}
 	stx := new(StarTx)
-	stx.Db = star.Db
+	stx.Db = star
 	stx.Tx = tx
 	return stx, err
 }
@@ -871,40 +875,64 @@ func (star *StarTx) Query(args ...interface{}) (*StarRows, error) {
 func (star *StarTx) QueryContext(ctx context.Context, args ...interface{}) (*StarRows, error) {
 	return star.query(ctx, args...)
 }
-
+func (star *StarTx) ExecStmt(args ...interface{}) (sql.Result, error) {
-func (star *StarTx) query(ctx context.Context, args ...interface{}) (*StarRows, error) {
+	if len(args) <= 1 {
-	var err error
+		return nil, errors.New("parameter not enough")
-	var rows *sql.Rows
-	var stmt *sql.Stmt
-	effect := new(StarRows)
-	if len(args) == 0 {
-		return effect, errors.New("no args")
 	}
-	if len(args) == 1 {
+	stmt, err := star.Prepare(args[0].(string))
-		sqlStr := args[0]
+	if err != nil {
-		if ctx == nil {
+		return nil, err
-			if rows, err = star.Tx.Query(sqlStr.(string)); err != nil {
-				return effect, err
 	}
-		} else {
+	defer stmt.Close()
-			if rows, err = star.Tx.QueryContext(ctx, sqlStr.(string)); err != nil {
+	return stmt.Exec(args[1:]...)
-				return effect, err
+}
+
+func (star *StarTx) ExecStmtContext(ctx context.Context, args ...interface{}) (sql.Result, error) {
+	if len(args) <= 1 {
+		return nil, errors.New("parameter not enough")
 	}
+	stmt, err := star.PrepareContext(ctx, args[0].(string))
+	if err != nil {
+		return nil, err
 	}
-		effect.Rows = rows
+	defer stmt.Close()
-		err = effect.parserows()
+	return stmt.ExecContext(ctx, args[1:]...)
-		return effect, err
+}
+
+func (star *StarTx) QueryStmt(args ...interface{}) (*StarRows, error) {
+	if len(args) <= 1 {
+		return nil, errors.New("parameter not enough")
 	}
-	sqlStr := args[0]
+	stmt, err := star.Prepare(args[0].(string))
-	if ctx == nil {
+	if err != nil {
-		stmt, err = star.Tx.Prepare(sqlStr.(string))
+		return nil, err
-	} else {
-		stmt, err = star.Tx.PrepareContext(ctx, sqlStr.(string))
 	}
+	defer stmt.Close()
+	return stmt.Query(args[1:]...)
+}
+
+func (star *StarTx) QueryStmtContext(ctx context.Context, args ...interface{}) (*StarRows, error) {
+	if len(args) <= 1 {
+		return nil, errors.New("parameter not enough")
+	}
+	stmt, err := star.PrepareContext(ctx, args[0].(string))
 	if err != nil {
-		return effect, err
+		return nil, err
 	}
 	defer stmt.Close()
+	return stmt.QueryContext(ctx, args[1:]...)
+}
+
+func (star *StarTx) query(ctx context.Context, args ...interface{}) (*StarRows, error) {
+	var err error
+	var rows *sql.Rows
+	effect := new(StarRows)
+	if err = star.Db.Ping(); err != nil {
+		return effect, err
+	}
+	if len(args) == 0 {
+		return effect, errors.New("no args")
+	}
 	var para []interface{}
 	for k, v := range args {
 		if k != 0 {
@@ -915,16 +943,16 @@ func (star *StarTx) query(ctx context.Context, args ...interface{}) (*StarRows,
 		}
 	}
 	if ctx == nil {
-		if rows, err = stmt.Query(para...); err != nil {
+		if rows, err = star.Tx.Query(args[0].(string), para...); err != nil {
 			return effect, err
 		}
 	} else {
-		if rows, err = stmt.QueryContext(ctx, para...); err != nil {
+		if rows, err = star.Tx.QueryContext(ctx, args[0].(string), para...); err != nil {
 			return effect, err
 		}
 	}
 	effect.Rows = rows
-	if !star.ManualScan {
+	if !star.Db.ManualScan {
 		err = effect.parserows()
 	}
 	return effect, err
@@ -938,43 +966,162 @@ func (star *StarDB) QueryContext(ctx context.Context, args ...interface{}) (*Sta
 	return star.query(ctx, args...)
 }
 
-// Query 进行Query操作
+func (star *StarDB) QueryStmt(args ...interface{}) (*StarRows, error) {
-func (star *StarDB) query(ctx context.Context, args ...interface{}) (*StarRows, error) {
+	if len(args) <= 1 {
+		return nil, errors.New("parameter not enough")
+	}
+	stmt, err := star.Prepare(args[0].(string))
+	if err != nil {
+		return nil, err
+	}
+	defer stmt.Close()
+	return stmt.Query(args[1:]...)
+}
+
+func (star *StarDB) QueryStmtContext(ctx context.Context, args ...interface{}) (*StarRows, error) {
+	if len(args) <= 1 {
+		return nil, errors.New("parameter not enough")
+	}
+	stmt, err := star.PrepareContext(ctx, args[0].(string))
+	if err != nil {
+		return nil, err
+	}
+	defer stmt.Close()
+	return stmt.QueryContext(ctx, args[1:]...)
+}
+
+func (star *StarDB) ExecStmt(args ...interface{}) (sql.Result, error) {
+	if len(args) <= 1 {
+		return nil, errors.New("parameter not enough")
+	}
+	stmt, err := star.Prepare(args[0].(string))
+	if err != nil {
+		return nil, err
+	}
+	defer stmt.Close()
+	return stmt.Exec(args[1:]...)
+}
+
+func (star *StarDB) ExecStmtContext(ctx context.Context, args ...interface{}) (sql.Result, error) {
+	if len(args) <= 1 {
+		return nil, errors.New("parameter not enough")
+	}
+	stmt, err := star.PrepareContext(ctx, args[0].(string))
+	if err != nil {
+		return nil, err
+	}
+	defer stmt.Close()
+	return stmt.ExecContext(ctx, args[1:]...)
+}
+
+func (star *StarDBStmt) Query(args ...interface{}) (*StarRows, error) {
+	return star.query(nil, args...)
+}
+
+func (star *StarDBStmt) QueryContext(ctx context.Context, args ...interface{}) (*StarRows, error) {
+	return star.query(ctx, args...)
+}
+
+func (star *StarDBStmt) Exec(args ...interface{}) (sql.Result, error) {
+	return star.exec(nil, args...)
+}
+
+func (star *StarDBStmt) ExecContext(ctx context.Context, args ...interface{}) (sql.Result, error) {
+	return star.exec(ctx, args...)
+}
+
+func (star *StarDBStmt) Close() error {
+	return star.Stmt.Close()
+}
+
+func (star *StarDBStmt) query(ctx context.Context, args ...interface{}) (*StarRows, error) {
 	var err error
 	var rows *sql.Rows
-	var stmt *sql.Stmt
 	effect := new(StarRows)
-	if err = star.Db.Ping(); err != nil {
-		return effect, err
-	}
 	if len(args) == 0 {
 		return effect, errors.New("no args")
 	}
-	if len(args) == 1 {
-		sqlStr := args[0]
 	if ctx == nil {
-			if rows, err = star.Db.Query(sqlStr.(string)); err != nil {
+		if rows, err = star.Stmt.Query(args...); err != nil {
 			return effect, err
 		}
 	} else {
-			if rows, err = star.Db.Query(sqlStr.(string)); err != nil {
+		if rows, err = star.Stmt.QueryContext(ctx, args...); err != nil {
 			return effect, err
 		}
 	}
 	effect.Rows = rows
+	if !star.Db.ManualScan {
 		err = effect.parserows()
+	}
 	return effect, err
+}
+
+func (star *StarDBStmt) exec(ctx context.Context, args ...interface{}) (sql.Result, error) {
+	if len(args) == 0 {
+		return nil, errors.New("no args")
 	}
-	sqlStr := args[0]
 	if ctx == nil {
-		stmt, err = star.Db.Prepare(sqlStr.(string))
+		return star.Stmt.Exec(args...)
-	} else {
-		stmt, err = star.Db.PrepareContext(ctx, sqlStr.(string))
 	}
+	return star.Stmt.ExecContext(ctx, args...)
+}
+
+func (star *StarDB) Prepare(sqlStr string) (*StarDBStmt, error) {
+	stmt := new(StarDBStmt)
+	stmtS, err := star.Db.Prepare(sqlStr)
 	if err != nil {
+		return nil, err
+	}
+	stmt.Stmt = stmtS
+	stmt.Db = star
+	return stmt, err
+}
+
+func (star *StarDB) PrepareContext(ctx context.Context, sqlStr string) (*StarDBStmt, error) {
+	stmt := new(StarDBStmt)
+	stmtS, err := star.Db.PrepareContext(ctx, sqlStr)
+	if err != nil {
+		return nil, err
+	}
+	stmt.Stmt = stmtS
+	stmt.Db = star
+	return stmt, err
+}
+
+func (star *StarTx) Prepare(sqlStr string) (*StarDBStmt, error) {
+	stmt := new(StarDBStmt)
+	stmtS, err := star.Tx.Prepare(sqlStr)
+	if err != nil {
+		return nil, err
+	}
+	stmt.Stmt = stmtS
+	stmt.Db = star.Db
+	return stmt, err
+}
+
+func (star *StarTx) PrepareContext(ctx context.Context, sqlStr string) (*StarDBStmt, error) {
+	stmt := new(StarDBStmt)
+	stmtS, err := star.Tx.PrepareContext(ctx, sqlStr)
+	if err != nil {
+		return nil, err
+	}
+	stmt.Db = star.Db
+	stmt.Stmt = stmtS
+	return stmt, err
+}
+
+// Query 进行Query操作
+func (star *StarDB) query(ctx context.Context, args ...interface{}) (*StarRows, error) {
+	var err error
+	var rows *sql.Rows
+	effect := new(StarRows)
+	if err = star.Db.Ping(); err != nil {
 		return effect, err
 	}
-	defer stmt.Close()
+	if len(args) == 0 {
+		return effect, errors.New("no args")
+	}
 	var para []interface{}
 	for k, v := range args {
 		if k != 0 {
@@ -985,11 +1132,11 @@ func (star *StarDB) query(ctx context.Context, args ...interface{}) (*StarRows,
 		}
 	}
 	if ctx == nil {
-		if rows, err = stmt.Query(para...); err != nil {
+		if rows, err = star.Db.Query(args[0].(string), para...); err != nil {
 			return effect, err
 		}
 	} else {
-		if rows, err = stmt.QueryContext(ctx, para...); err != nil {
+		if rows, err = star.Db.QueryContext(ctx, args[0].(string), para...); err != nil {
 			return effect, err
 		}
 	}
@@ -1046,37 +1193,12 @@ func (star *StarDB) ExecContext(ctx context.Context, args ...interface{}) (sql.R
 // Exec 执行Exec操作
 func (star *StarDB) exec(ctx context.Context, args ...interface{}) (sql.Result, error) {
 	var err error
-	var effect sql.Result
 	if err = star.Db.Ping(); err != nil {
-		return effect, err
+		return nil, err
 	}
 	if len(args) == 0 {
-		return effect, errors.New("no args")
+		return nil, errors.New("no args")
-	}
-	if len(args) == 1 {
-		sqlStr := args[0]
-		if ctx == nil {
-			if effect, err = star.Db.Exec(sqlStr.(string)); err != nil {
-				return effect, err
-			}
-		} else {
-			if effect, err = star.Db.ExecContext(ctx, sqlStr.(string)); err != nil {
-				return effect, err
-			}
-		}
-		return effect, nil
-	}
-	sqlStr := args[0]
-	var stmt *sql.Stmt
-	if ctx == nil {
-		stmt, err = star.Db.Prepare(sqlStr.(string))
-	} else {
-		stmt, err = star.Db.PrepareContext(ctx, sqlStr.(string))
 	}
-	if err != nil {
-		return effect, err
-	}
-	defer stmt.Close()
 	var para []interface{}
 	for k, v := range args {
 		if k != 0 {
@@ -1087,15 +1209,9 @@ func (star *StarDB) exec(ctx context.Context, args ...interface{}) (sql.Result,
 		}
 	}
 	if ctx == nil {
-		if effect, err = stmt.Exec(para...); err != nil {
+		return star.Db.Exec(args[0].(string), para...)
-			return effect, err
 	}
-	} else {
+	return star.Db.ExecContext(ctx, args[0].(string), para...)
-		if effect, err = stmt.ExecContext(ctx, para...); err != nil {
-			return effect, err
-		}
-	}
-	return effect, nil
 }
 
 func (star *StarTx) Exec(args ...interface{}) (sql.Result, error) {
@@ -1107,34 +1223,12 @@ func (star *StarTx) ExecContext(ctx context.Context, args ...interface{}) (sql.R
 
 func (star *StarTx) exec(ctx context.Context, args ...interface{}) (sql.Result, error) {
 	var err error
-	var effect sql.Result
+	if err = star.Db.Ping(); err != nil {
-	var stmt *sql.Stmt
+		return nil, err
-	if len(args) == 0 {
-		return effect, errors.New("no args")
-	}
-	if len(args) == 1 {
-		sqlStr := args[0]
-		if ctx == nil {
-			if _, err = star.Tx.Exec(sqlStr.(string)); err != nil {
-				return effect, err
-			}
-		} else {
-			if _, err = star.Tx.ExecContext(ctx, sqlStr.(string)); err != nil {
-				return effect, err
-			}
-		}
-		return effect, nil
-	}
-	sqlStr := args[0]
-	if ctx == nil {
-		stmt, err = star.Tx.Prepare(sqlStr.(string))
-	} else {
-		stmt, err = star.Tx.PrepareContext(ctx, sqlStr.(string))
 	}
-	if err != nil {
+	if len(args) == 0 {
-		return effect, err
+		return nil, errors.New("no args")
 	}
-	defer stmt.Close()
 	var para []interface{}
 	for k, v := range args {
 		if k != 0 {
@@ -1145,15 +1239,9 @@ func (star *StarTx) exec(ctx context.Context, args ...interface{}) (sql.Result,
 		}
 	}
 	if ctx == nil {
-		if effect, err = stmt.Exec(para...); err != nil {
+		return star.Tx.Exec(args[0].(string), para...)
-			return effect, err
-		}
-	} else {
-		if effect, err = stmt.ExecContext(ctx, para...); err != nil {
-			return effect, err
-		}
 	}
-	return effect, nil
+	return star.Tx.ExecContext(ctx, args[0].(string), para...)
 }
 
 func (star *StarTx) Commit() error {