refactor slice2Bean #1974
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@ -238,6 +238,8 @@ func asBytes(buf []byte, rv reflect.Value) (b []byte, ok bool) {
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func convertAssign(dest, src interface{}, originalLocation *time.Location, convertedLocation *time.Location) error {
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// Common cases, without reflect.
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switch s := src.(type) {
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case *interface{}:
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return convertAssign(dest, *s, originalLocation, convertedLocation)
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case string:
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switch d := dest.(type) {
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case *string:
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800
session.go
800
session.go
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@ -436,6 +436,397 @@ func (session *Session) row2Slice(rows *core.Rows, fields []string, bean interfa
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return scanResults, nil
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}
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func (session *Session) convertBeanField(col *schemas.Column, fieldValue *reflect.Value,
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scanResult interface{}, table *schemas.Table) error {
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rawValue := reflect.Indirect(reflect.ValueOf(scanResult))
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// if row is null then ignore
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if rawValue.Interface() == nil {
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return nil
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}
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if fieldValue.CanAddr() {
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if structConvert, ok := fieldValue.Addr().Interface().(convert.Conversion); ok {
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data, err := value2Bytes(&rawValue)
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if err != nil {
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return err
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}
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if err := structConvert.FromDB(data); err != nil {
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return err
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}
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return nil
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}
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}
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if _, ok := fieldValue.Interface().(convert.Conversion); ok {
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if data, err := value2Bytes(&rawValue); err == nil {
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if fieldValue.Kind() == reflect.Ptr && fieldValue.IsNil() {
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fieldValue.Set(reflect.New(fieldValue.Type().Elem()))
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}
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fieldValue.Interface().(convert.Conversion).FromDB(data)
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} else {
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return err
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}
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return nil
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}
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rawValueType := reflect.TypeOf(rawValue.Interface())
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vv := reflect.ValueOf(rawValue.Interface())
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fieldType := fieldValue.Type()
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if col.IsJSON {
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var bs []byte
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if rawValueType.Kind() == reflect.String {
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bs = []byte(vv.String())
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} else if rawValueType.ConvertibleTo(schemas.BytesType) {
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bs = vv.Bytes()
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} else {
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return fmt.Errorf("unsupported database data type: %s %v", col.Name, rawValueType.Kind())
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}
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if len(bs) > 0 {
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if fieldType.Kind() == reflect.String {
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fieldValue.SetString(string(bs))
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return nil
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}
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if fieldValue.CanAddr() {
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err := json.DefaultJSONHandler.Unmarshal(bs, fieldValue.Addr().Interface())
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if err != nil {
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return err
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}
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} else {
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x := reflect.New(fieldType)
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err := json.DefaultJSONHandler.Unmarshal(bs, x.Interface())
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if err != nil {
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return err
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}
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fieldValue.Set(x.Elem())
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}
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}
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return nil
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}
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switch fieldType.Kind() {
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case reflect.Complex64, reflect.Complex128:
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// TODO: reimplement this
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var bs []byte
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if rawValueType.Kind() == reflect.String {
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bs = []byte(vv.String())
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} else if rawValueType.ConvertibleTo(schemas.BytesType) {
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bs = vv.Bytes()
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}
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if len(bs) > 0 {
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if fieldValue.CanAddr() {
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err := json.DefaultJSONHandler.Unmarshal(bs, fieldValue.Addr().Interface())
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if err != nil {
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return err
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}
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} else {
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x := reflect.New(fieldType)
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err := json.DefaultJSONHandler.Unmarshal(bs, x.Interface())
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if err != nil {
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return err
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}
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fieldValue.Set(x.Elem())
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}
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}
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return nil
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case reflect.Slice, reflect.Array:
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switch rawValueType.Kind() {
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case reflect.Slice, reflect.Array:
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switch rawValueType.Elem().Kind() {
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case reflect.Uint8:
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if fieldType.Elem().Kind() == reflect.Uint8 {
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if col.SQLType.IsText() {
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x := reflect.New(fieldType)
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err := json.DefaultJSONHandler.Unmarshal(vv.Bytes(), x.Interface())
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if err != nil {
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return err
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}
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fieldValue.Set(x.Elem())
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} else {
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if fieldValue.Len() > 0 {
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for i := 0; i < fieldValue.Len(); i++ {
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if i < vv.Len() {
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fieldValue.Index(i).Set(vv.Index(i))
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}
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}
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} else {
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for i := 0; i < vv.Len(); i++ {
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fieldValue.Set(reflect.Append(*fieldValue, vv.Index(i)))
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}
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}
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}
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return nil
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}
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}
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}
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case reflect.String:
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if rawValueType.Kind() == reflect.String {
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fieldValue.SetString(vv.String())
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return nil
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}
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case reflect.Bool:
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if rawValueType.Kind() == reflect.Bool {
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fieldValue.SetBool(vv.Bool())
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return nil
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}
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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switch rawValueType.Kind() {
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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fieldValue.SetInt(vv.Int())
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return nil
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}
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case reflect.Float32, reflect.Float64:
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switch rawValueType.Kind() {
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case reflect.Float32, reflect.Float64:
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fieldValue.SetFloat(vv.Float())
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return nil
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}
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case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
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switch rawValueType.Kind() {
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case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
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fieldValue.SetUint(vv.Uint())
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return nil
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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fieldValue.SetUint(uint64(vv.Int()))
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return nil
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}
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case reflect.Struct:
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if fieldType.ConvertibleTo(schemas.TimeType) {
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dbTZ := session.engine.DatabaseTZ
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if col.TimeZone != nil {
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dbTZ = col.TimeZone
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}
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if rawValueType == schemas.TimeType {
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t := vv.Convert(schemas.TimeType).Interface().(time.Time)
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z, _ := t.Zone()
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// set new location if database don't save timezone or give an incorrect timezone
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if len(z) == 0 || t.Year() == 0 || t.Location().String() != dbTZ.String() { // !nashtsai! HACK tmp work around for lib/pq doesn't properly time with location
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session.engine.logger.Debugf("empty zone key[%v] : %v | zone: %v | location: %+v\n", col.Name, t, z, *t.Location())
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t = time.Date(t.Year(), t.Month(), t.Day(), t.Hour(),
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t.Minute(), t.Second(), t.Nanosecond(), dbTZ)
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}
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t = t.In(session.engine.TZLocation)
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fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
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return nil
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} else if rawValueType == schemas.IntType || rawValueType == schemas.Int64Type ||
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rawValueType == schemas.Int32Type {
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t := time.Unix(vv.Int(), 0).In(session.engine.TZLocation)
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fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
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return nil
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} else {
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if d, ok := vv.Interface().([]uint8); ok {
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t, err := session.byte2Time(col, d)
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if err != nil {
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session.engine.logger.Errorf("byte2Time error: %v", err)
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} else {
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fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
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return nil
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}
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} else if d, ok := vv.Interface().(string); ok {
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t, err := session.str2Time(col, d)
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if err != nil {
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session.engine.logger.Errorf("byte2Time error: %v", err)
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} else {
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fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
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return nil
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}
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} else {
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return fmt.Errorf("rawValueType is %v, value is %v", rawValueType, vv.Interface())
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}
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}
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} else if nulVal, ok := fieldValue.Addr().Interface().(sql.Scanner); ok {
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err := nulVal.Scan(vv.Interface())
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if err == nil {
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return nil
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}
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session.engine.logger.Errorf("sql.Sanner error: %v", err)
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} else if col.IsJSON {
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if rawValueType.Kind() == reflect.String {
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x := reflect.New(fieldType)
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if len([]byte(vv.String())) > 0 {
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err := json.DefaultJSONHandler.Unmarshal([]byte(vv.String()), x.Interface())
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if err != nil {
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return err
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}
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fieldValue.Set(x.Elem())
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}
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return nil
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} else if rawValueType.Kind() == reflect.Slice {
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x := reflect.New(fieldType)
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if len(vv.Bytes()) > 0 {
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err := json.DefaultJSONHandler.Unmarshal(vv.Bytes(), x.Interface())
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if err != nil {
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return err
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}
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fieldValue.Set(x.Elem())
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}
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return nil
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}
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} else if session.statement.UseCascade {
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table, err := session.engine.tagParser.ParseWithCache(*fieldValue)
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if err != nil {
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return err
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}
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if len(table.PrimaryKeys) != 1 {
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return errors.New("unsupported non or composited primary key cascade")
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}
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var pk = make(schemas.PK, len(table.PrimaryKeys))
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pk[0], err = asKind(vv, rawValueType)
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if err != nil {
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return err
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}
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if !pk.IsZero() {
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// !nashtsai! TODO for hasOne relationship, it's preferred to use join query for eager fetch
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// however, also need to consider adding a 'lazy' attribute to xorm tag which allow hasOne
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// property to be fetched lazily
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structInter := reflect.New(fieldValue.Type())
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has, err := session.ID(pk).NoCascade().get(structInter.Interface())
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if err != nil {
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return err
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}
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if has {
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fieldValue.Set(structInter.Elem())
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} else {
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return errors.New("cascade obj is not exist")
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}
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}
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return nil
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}
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case reflect.Ptr:
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// !nashtsai! TODO merge duplicated codes above
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switch fieldType {
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// following types case matching ptr's native type, therefore assign ptr directly
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case schemas.PtrStringType:
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if rawValueType.Kind() == reflect.String {
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x := vv.String()
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fieldValue.Set(reflect.ValueOf(&x))
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return nil
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}
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case schemas.PtrBoolType:
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if rawValueType.Kind() == reflect.Bool {
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x := vv.Bool()
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fieldValue.Set(reflect.ValueOf(&x))
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return nil
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||||
}
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||||
case schemas.PtrTimeType:
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||||
if rawValueType == schemas.PtrTimeType {
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||||
var x = rawValue.Interface().(time.Time)
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||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
return nil
|
||||
}
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||||
case schemas.PtrFloat64Type:
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||||
if rawValueType.Kind() == reflect.Float64 {
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||||
x := vv.Float()
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||||
fieldValue.Set(reflect.ValueOf(&x))
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return nil
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||||
}
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case schemas.PtrUint64Type:
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if rawValueType.Kind() == reflect.Int64 {
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||||
var x = uint64(vv.Int())
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fieldValue.Set(reflect.ValueOf(&x))
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||||
return nil
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||||
}
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||||
case schemas.PtrInt64Type:
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||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
x := vv.Int()
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
return nil
|
||||
}
|
||||
case schemas.PtrFloat32Type:
|
||||
if rawValueType.Kind() == reflect.Float64 {
|
||||
var x = float32(vv.Float())
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
return nil
|
||||
}
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||||
case schemas.PtrIntType:
|
||||
if rawValueType.Kind() == reflect.Int64 {
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||||
var x = int(vv.Int())
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
return nil
|
||||
}
|
||||
case schemas.PtrInt32Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = int32(vv.Int())
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
return nil
|
||||
}
|
||||
case schemas.PtrInt8Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = int8(vv.Int())
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
return nil
|
||||
}
|
||||
case schemas.PtrInt16Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = int16(vv.Int())
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
return nil
|
||||
}
|
||||
case schemas.PtrUintType:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = uint(vv.Int())
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
return nil
|
||||
}
|
||||
case schemas.PtrUint32Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = uint32(vv.Int())
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
return nil
|
||||
}
|
||||
case schemas.Uint8Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = uint8(vv.Int())
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
return nil
|
||||
}
|
||||
case schemas.Uint16Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = uint16(vv.Int())
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
return nil
|
||||
}
|
||||
case schemas.Complex64Type:
|
||||
var x complex64
|
||||
if len([]byte(vv.String())) > 0 {
|
||||
err := json.DefaultJSONHandler.Unmarshal([]byte(vv.String()), &x)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
return nil
|
||||
case schemas.Complex128Type:
|
||||
var x complex128
|
||||
if len([]byte(vv.String())) > 0 {
|
||||
err := json.DefaultJSONHandler.Unmarshal([]byte(vv.String()), &x)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
return nil
|
||||
} // switch fieldType
|
||||
} // switch fieldType.Kind()
|
||||
|
||||
data, err := value2Bytes(&rawValue)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return session.bytes2Value(col, fieldValue, data)
|
||||
}
|
||||
|
||||
func (session *Session) slice2Bean(scanResults []interface{}, fields []string, bean interface{}, dataStruct *reflect.Value, table *schemas.Table) (schemas.PK, error) {
|
||||
defer func() {
|
||||
executeAfterSet(bean, fields, scanResults)
|
||||
|
|
@ -447,14 +838,19 @@ func (session *Session) slice2Bean(scanResults []interface{}, fields []string, b
|
|||
var pk schemas.PK
|
||||
for ii, key := range fields {
|
||||
var idx int
|
||||
var ok bool
|
||||
var lKey = strings.ToLower(key)
|
||||
var ok bool
|
||||
|
||||
if idx, ok = tempMap[lKey]; !ok {
|
||||
idx = 0
|
||||
} else {
|
||||
idx = idx + 1
|
||||
}
|
||||
|
||||
tempMap[lKey] = idx
|
||||
col := table.GetColumnIdx(key, idx)
|
||||
|
||||
var scanResult = scanResults[ii]
|
||||
|
||||
fieldValue, err := session.getField(dataStruct, key, table, idx)
|
||||
if err != nil {
|
||||
|
|
@ -466,408 +862,12 @@ func (session *Session) slice2Bean(scanResults []interface{}, fields []string, b
|
|||
if fieldValue == nil {
|
||||
continue
|
||||
}
|
||||
rawValue := reflect.Indirect(reflect.ValueOf(scanResults[ii]))
|
||||
|
||||
// if row is null then ignore
|
||||
if rawValue.Interface() == nil {
|
||||
continue
|
||||
if err := session.convertBeanField(col, fieldValue, scanResult, table); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if fieldValue.CanAddr() {
|
||||
if structConvert, ok := fieldValue.Addr().Interface().(convert.Conversion); ok {
|
||||
if data, err := value2Bytes(&rawValue); err == nil {
|
||||
if err := structConvert.FromDB(data); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
} else {
|
||||
return nil, err
|
||||
}
|
||||
continue
|
||||
}
|
||||
}
|
||||
|
||||
if _, ok := fieldValue.Interface().(convert.Conversion); ok {
|
||||
if data, err := value2Bytes(&rawValue); err == nil {
|
||||
if fieldValue.Kind() == reflect.Ptr && fieldValue.IsNil() {
|
||||
fieldValue.Set(reflect.New(fieldValue.Type().Elem()))
|
||||
}
|
||||
fieldValue.Interface().(convert.Conversion).FromDB(data)
|
||||
} else {
|
||||
return nil, err
|
||||
}
|
||||
continue
|
||||
}
|
||||
|
||||
rawValueType := reflect.TypeOf(rawValue.Interface())
|
||||
vv := reflect.ValueOf(rawValue.Interface())
|
||||
col := table.GetColumnIdx(key, idx)
|
||||
if col.IsPrimaryKey {
|
||||
pk = append(pk, rawValue.Interface())
|
||||
}
|
||||
fieldType := fieldValue.Type()
|
||||
hasAssigned := false
|
||||
|
||||
if col.IsJSON {
|
||||
var bs []byte
|
||||
if rawValueType.Kind() == reflect.String {
|
||||
bs = []byte(vv.String())
|
||||
} else if rawValueType.ConvertibleTo(schemas.BytesType) {
|
||||
bs = vv.Bytes()
|
||||
} else {
|
||||
return nil, fmt.Errorf("unsupported database data type: %s %v", key, rawValueType.Kind())
|
||||
}
|
||||
|
||||
hasAssigned = true
|
||||
|
||||
if len(bs) > 0 {
|
||||
if fieldType.Kind() == reflect.String {
|
||||
fieldValue.SetString(string(bs))
|
||||
continue
|
||||
}
|
||||
if fieldValue.CanAddr() {
|
||||
err := json.DefaultJSONHandler.Unmarshal(bs, fieldValue.Addr().Interface())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
} else {
|
||||
x := reflect.New(fieldType)
|
||||
err := json.DefaultJSONHandler.Unmarshal(bs, x.Interface())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
fieldValue.Set(x.Elem())
|
||||
}
|
||||
}
|
||||
|
||||
continue
|
||||
}
|
||||
|
||||
switch fieldType.Kind() {
|
||||
case reflect.Complex64, reflect.Complex128:
|
||||
// TODO: reimplement this
|
||||
var bs []byte
|
||||
if rawValueType.Kind() == reflect.String {
|
||||
bs = []byte(vv.String())
|
||||
} else if rawValueType.ConvertibleTo(schemas.BytesType) {
|
||||
bs = vv.Bytes()
|
||||
}
|
||||
|
||||
hasAssigned = true
|
||||
if len(bs) > 0 {
|
||||
if fieldValue.CanAddr() {
|
||||
err := json.DefaultJSONHandler.Unmarshal(bs, fieldValue.Addr().Interface())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
} else {
|
||||
x := reflect.New(fieldType)
|
||||
err := json.DefaultJSONHandler.Unmarshal(bs, x.Interface())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
fieldValue.Set(x.Elem())
|
||||
}
|
||||
}
|
||||
case reflect.Slice, reflect.Array:
|
||||
switch rawValueType.Kind() {
|
||||
case reflect.Slice, reflect.Array:
|
||||
switch rawValueType.Elem().Kind() {
|
||||
case reflect.Uint8:
|
||||
if fieldType.Elem().Kind() == reflect.Uint8 {
|
||||
hasAssigned = true
|
||||
if col.SQLType.IsText() {
|
||||
x := reflect.New(fieldType)
|
||||
err := json.DefaultJSONHandler.Unmarshal(vv.Bytes(), x.Interface())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
fieldValue.Set(x.Elem())
|
||||
} else {
|
||||
if fieldValue.Len() > 0 {
|
||||
for i := 0; i < fieldValue.Len(); i++ {
|
||||
if i < vv.Len() {
|
||||
fieldValue.Index(i).Set(vv.Index(i))
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for i := 0; i < vv.Len(); i++ {
|
||||
fieldValue.Set(reflect.Append(*fieldValue, vv.Index(i)))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.String:
|
||||
if rawValueType.Kind() == reflect.String {
|
||||
hasAssigned = true
|
||||
fieldValue.SetString(vv.String())
|
||||
}
|
||||
case reflect.Bool:
|
||||
if rawValueType.Kind() == reflect.Bool {
|
||||
hasAssigned = true
|
||||
fieldValue.SetBool(vv.Bool())
|
||||
}
|
||||
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
||||
switch rawValueType.Kind() {
|
||||
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
||||
hasAssigned = true
|
||||
fieldValue.SetInt(vv.Int())
|
||||
}
|
||||
case reflect.Float32, reflect.Float64:
|
||||
switch rawValueType.Kind() {
|
||||
case reflect.Float32, reflect.Float64:
|
||||
hasAssigned = true
|
||||
fieldValue.SetFloat(vv.Float())
|
||||
}
|
||||
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
|
||||
switch rawValueType.Kind() {
|
||||
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
|
||||
hasAssigned = true
|
||||
fieldValue.SetUint(vv.Uint())
|
||||
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
|
||||
hasAssigned = true
|
||||
fieldValue.SetUint(uint64(vv.Int()))
|
||||
}
|
||||
case reflect.Struct:
|
||||
if fieldType.ConvertibleTo(schemas.TimeType) {
|
||||
dbTZ := session.engine.DatabaseTZ
|
||||
if col.TimeZone != nil {
|
||||
dbTZ = col.TimeZone
|
||||
}
|
||||
|
||||
if rawValueType == schemas.TimeType {
|
||||
hasAssigned = true
|
||||
|
||||
t := vv.Convert(schemas.TimeType).Interface().(time.Time)
|
||||
|
||||
z, _ := t.Zone()
|
||||
// set new location if database don't save timezone or give an incorrect timezone
|
||||
if len(z) == 0 || t.Year() == 0 || t.Location().String() != dbTZ.String() { // !nashtsai! HACK tmp work around for lib/pq doesn't properly time with location
|
||||
session.engine.logger.Debugf("empty zone key[%v] : %v | zone: %v | location: %+v\n", key, t, z, *t.Location())
|
||||
t = time.Date(t.Year(), t.Month(), t.Day(), t.Hour(),
|
||||
t.Minute(), t.Second(), t.Nanosecond(), dbTZ)
|
||||
}
|
||||
|
||||
t = t.In(session.engine.TZLocation)
|
||||
fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
|
||||
} else if rawValueType == schemas.IntType || rawValueType == schemas.Int64Type ||
|
||||
rawValueType == schemas.Int32Type {
|
||||
hasAssigned = true
|
||||
|
||||
t := time.Unix(vv.Int(), 0).In(session.engine.TZLocation)
|
||||
fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
|
||||
} else {
|
||||
if d, ok := vv.Interface().([]uint8); ok {
|
||||
hasAssigned = true
|
||||
t, err := session.byte2Time(col, d)
|
||||
if err != nil {
|
||||
session.engine.logger.Errorf("byte2Time error: %v", err)
|
||||
hasAssigned = false
|
||||
} else {
|
||||
fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
|
||||
}
|
||||
} else if d, ok := vv.Interface().(string); ok {
|
||||
hasAssigned = true
|
||||
t, err := session.str2Time(col, d)
|
||||
if err != nil {
|
||||
session.engine.logger.Errorf("byte2Time error: %v", err)
|
||||
hasAssigned = false
|
||||
} else {
|
||||
fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
|
||||
}
|
||||
} else {
|
||||
return nil, fmt.Errorf("rawValueType is %v, value is %v", rawValueType, vv.Interface())
|
||||
}
|
||||
}
|
||||
} else if nulVal, ok := fieldValue.Addr().Interface().(sql.Scanner); ok {
|
||||
// !<winxxp>! 增加支持sql.Scanner接口的结构，如sql.NullString
|
||||
hasAssigned = true
|
||||
if err := nulVal.Scan(vv.Interface()); err != nil {
|
||||
session.engine.logger.Errorf("sql.Sanner error: %v", err)
|
||||
hasAssigned = false
|
||||
}
|
||||
} else if col.IsJSON {
|
||||
if rawValueType.Kind() == reflect.String {
|
||||
hasAssigned = true
|
||||
x := reflect.New(fieldType)
|
||||
if len([]byte(vv.String())) > 0 {
|
||||
err := json.DefaultJSONHandler.Unmarshal([]byte(vv.String()), x.Interface())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
fieldValue.Set(x.Elem())
|
||||
}
|
||||
} else if rawValueType.Kind() == reflect.Slice {
|
||||
hasAssigned = true
|
||||
x := reflect.New(fieldType)
|
||||
if len(vv.Bytes()) > 0 {
|
||||
err := json.DefaultJSONHandler.Unmarshal(vv.Bytes(), x.Interface())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
fieldValue.Set(x.Elem())
|
||||
}
|
||||
}
|
||||
} else if session.statement.UseCascade {
|
||||
table, err := session.engine.tagParser.ParseWithCache(*fieldValue)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
hasAssigned = true
|
||||
if len(table.PrimaryKeys) != 1 {
|
||||
return nil, errors.New("unsupported non or composited primary key cascade")
|
||||
}
|
||||
var pk = make(schemas.PK, len(table.PrimaryKeys))
|
||||
pk[0], err = asKind(vv, rawValueType)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if !pk.IsZero() {
|
||||
// !nashtsai! TODO for hasOne relationship, it's preferred to use join query for eager fetch
|
||||
// however, also need to consider adding a 'lazy' attribute to xorm tag which allow hasOne
|
||||
// property to be fetched lazily
|
||||
structInter := reflect.New(fieldValue.Type())
|
||||
has, err := session.ID(pk).NoCascade().get(structInter.Interface())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if has {
|
||||
fieldValue.Set(structInter.Elem())
|
||||
} else {
|
||||
return nil, errors.New("cascade obj is not exist")
|
||||
}
|
||||
}
|
||||
}
|
||||
case reflect.Ptr:
|
||||
// !nashtsai! TODO merge duplicated codes above
|
||||
switch fieldType {
|
||||
// following types case matching ptr's native type, therefore assign ptr directly
|
||||
case schemas.PtrStringType:
|
||||
if rawValueType.Kind() == reflect.String {
|
||||
x := vv.String()
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.PtrBoolType:
|
||||
if rawValueType.Kind() == reflect.Bool {
|
||||
x := vv.Bool()
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.PtrTimeType:
|
||||
if rawValueType == schemas.PtrTimeType {
|
||||
hasAssigned = true
|
||||
var x = rawValue.Interface().(time.Time)
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.PtrFloat64Type:
|
||||
if rawValueType.Kind() == reflect.Float64 {
|
||||
x := vv.Float()
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.PtrUint64Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = uint64(vv.Int())
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.PtrInt64Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
x := vv.Int()
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.PtrFloat32Type:
|
||||
if rawValueType.Kind() == reflect.Float64 {
|
||||
var x = float32(vv.Float())
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.PtrIntType:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = int(vv.Int())
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.PtrInt32Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = int32(vv.Int())
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.PtrInt8Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = int8(vv.Int())
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.PtrInt16Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = int16(vv.Int())
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.PtrUintType:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = uint(vv.Int())
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.PtrUint32Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = uint32(vv.Int())
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.Uint8Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = uint8(vv.Int())
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.Uint16Type:
|
||||
if rawValueType.Kind() == reflect.Int64 {
|
||||
var x = uint16(vv.Int())
|
||||
hasAssigned = true
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
case schemas.Complex64Type:
|
||||
var x complex64
|
||||
if len([]byte(vv.String())) > 0 {
|
||||
err := json.DefaultJSONHandler.Unmarshal([]byte(vv.String()), &x)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
hasAssigned = true
|
||||
case schemas.Complex128Type:
|
||||
var x complex128
|
||||
if len([]byte(vv.String())) > 0 {
|
||||
err := json.DefaultJSONHandler.Unmarshal([]byte(vv.String()), &x)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
fieldValue.Set(reflect.ValueOf(&x))
|
||||
}
|
||||
hasAssigned = true
|
||||
} // switch fieldType
|
||||
} // switch fieldType.Kind()
|
||||
|
||||
// !nashtsai! for value can't be assigned directly fallback to convert to []byte then back to value
|
||||
if !hasAssigned {
|
||||
data, err := value2Bytes(&rawValue)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
if err = session.bytes2Value(col, fieldValue, data); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
pk = append(pk, scanResult)
|
||||
}
|
||||
}
|
||||
return pk, nil
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user