func row2mapStr(rows *core.Rows, fields []string) (resultsMap map[string]string, err error) {
result := make(map[string]string)
scanResultContainers := make([]interface{}, len(fields))
for i := 0; i < len(fields); i++ {
var scanResultContainer interface{}
scanResultContainers[i] = &scanResultContainer
}
if err := rows.Scan(scanResultContainers...); err != nil {
return nil, err
}
for ii, key := range fields {
rawValue := reflect.Indirect(reflect.ValueOf(scanResultContainers[ii]))
//if row is null then ignore
if rawValue.Interface() == nil {
//fmt.Println("ignore ...", key, rawValue)
continue
}
if data, err := value2String(&rawValue); err == nil {
result[key] = data
} else {
return nil, err // !nashtsai! REVIEW, should return err or just error log?
}
}
return result, nil
}
func rows2maps(rows *core.Rows) (resultsSlice []map[string][]byte, err error) {
fields, err := rows.Columns()
if err != nil {
return nil, err
}
for rows.Next() {
result, err := row2map(rows, fields)
if err != nil {
return nil, err
}
resultsSlice = append(resultsSlice, result)
}
return resultsSlice, nil
}
func rows2mapObjectsWithDateFormat(rows *core.Rows, dateFormat string) (resultsSlice []map[string]interface{}, err error) {
fields, err := rows.Columns()
if err != nil {
return nil, err
}
for rows.Next() {
result, err := rows2mapObjectWithDateFormat(rows, dateFormat, fields)
if err != nil {
return nil, err
}
resultsSlice = append(resultsSlice, result)
}
return resultsSlice, nil
}
func (session *Session) _row2BeanWithDateFormat(dateFormat string, rows *core.Rows, fields []string, fieldsCount int, bean interface{}, dataStruct *reflect.Value, table *core.Table) error {
scanResults := make([]interface{}, fieldsCount)
for i := 0; i < len(fields); i++ {
var cell interface{}
scanResults[i] = &cell
}
if err := rows.Scan(scanResults...); err != nil {
return err
}
if b, hasBeforeSet := bean.(BeforeSetProcessor); hasBeforeSet {
for ii, key := range fields {
b.BeforeSet(key, Cell(scanResults[ii].(*interface{})))
}
}
defer func() {
if b, hasAfterSet := bean.(AfterSetProcessor); hasAfterSet {
for ii, key := range fields {
b.AfterSet(key, Cell(scanResults[ii].(*interface{})))
}
}
}()
var tempMap = make(map[string]int)
for ii, key := range fields {
var idx int
var ok bool
var lKey = strings.ToLower(key)
if idx, ok = tempMap[lKey]; !ok {
idx = 0
} else {
idx = idx + 1
}
tempMap[lKey] = idx
if fieldValue := session.getField(dataStruct, key, table, idx); fieldValue != nil {
rawValue := reflect.Indirect(reflect.ValueOf(scanResults[ii]))
// if row is null then ignore
if rawValue.Interface() == nil {
continue
}
if fieldValue.CanAddr() {
if structConvert, ok := fieldValue.Addr().Interface().(core.Conversion); ok {
if data, err := value2Bytes(&rawValue); err == nil {
structConvert.FromDB(data)
} else {
session.Engine.logger.Error(err)
}
continue
}
}
if _, ok := fieldValue.Interface().(core.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().(core.Conversion).FromDB(data)
} else {
session.Engine.logger.Error(err)
}
continue
}
rawValueType := reflect.TypeOf(rawValue.Interface())
vv := reflect.ValueOf(rawValue.Interface())
fieldType := fieldValue.Type()
hasAssigned := false
col := table.GetColumnIdx(key, idx)
if col.SQLType.IsJson() {
var bs []byte
if rawValueType.Kind() == reflect.String {
bs = []byte(vv.String())
} else if rawValueType.ConvertibleTo(core.BytesType) {
bs = vv.Bytes()
} else {
return fmt.Errorf("unsupported database data type: %s %v", key, rawValueType.Kind())
}
hasAssigned = true
if len(bs) > 0 {
if fieldValue.CanAddr() {
err := json.Unmarshal(bs, fieldValue.Addr().Interface())
if err != nil {
session.Engine.logger.Error(key, err)
return err
}
} else {
x := reflect.New(fieldType)
err := json.Unmarshal(bs, x.Interface())
if err != nil {
session.Engine.logger.Error(key, err)
return 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(core.BytesType) {
bs = vv.Bytes()
}
hasAssigned = true
if len(bs) > 0 {
if fieldValue.CanAddr() {
err := json.Unmarshal(bs, fieldValue.Addr().Interface())
if err != nil {
session.Engine.logger.Error(err)
return err
}
} else {
x := reflect.New(fieldType)
err := json.Unmarshal(bs, x.Interface())
if err != nil {
session.Engine.logger.Error(err)
return 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
fieldValue.Set(vv)
}
}
}
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(core.TimeType) {
if rawValueType == core.TimeType {
hasAssigned = true
t := vv.Convert(core.TimeType).Interface().(time.Time)
z, _ := t.Zone()
if len(z) == 0 || t.Year() == 0 { // !nashtsai! HACK tmp work around for lib/pq doesn't properly time with location
dbTZ := session.Engine.DatabaseTZ
if dbTZ == nil {
dbTZ = time.Local
}
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)
}
// !nashtsai! convert to engine location
var tz *time.Location
if col.TimeZone == nil {
t = t.In(session.Engine.TZLocation)
tz = session.Engine.TZLocation
} else {
t = t.In(col.TimeZone)
tz = col.TimeZone
}
// dateFormat to string
//loc, _ := time.LoadLocation("Local") //重要：获取时区 rawValue.Interface().(time.Time).Format(dateFormat)
t, _ = time.ParseInLocation(dateFormat, t.Format(dateFormat), tz)
fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
} else if rawValueType == core.IntType || rawValueType == core.Int64Type ||
rawValueType == core.Int32Type {
hasAssigned = true
var tz *time.Location
if col.TimeZone == nil {
tz = session.Engine.TZLocation
} else {
tz = col.TimeZone
}
t := time.Unix(vv.Int(), 0).In(tz)
//vv = reflect.ValueOf(t)
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.Error("byte2Time error:", err.Error())
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.Error("byte2Time error:", err.Error())
hasAssigned = false
} else {
fieldValue.Set(reflect.ValueOf(t).Convert(fieldType))
}
} else {
panic(fmt.Sprintf("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 {
//fmt.Println("sql.Sanner error:", err.Error())
session.Engine.logger.Error("sql.Sanner error:", err.Error())
hasAssigned = false
}
} else if col.SQLType.IsJson() {
if rawValueType.Kind() == reflect.String {
hasAssigned = true
x := reflect.New(fieldType)
if len([]byte(vv.String())) > 0 {
err := json.Unmarshal([]byte(vv.String()), x.Interface())
if err != nil {
session.Engine.logger.Error(err)
return err
}
fieldValue.Set(x.Elem())
}
} else if rawValueType.Kind() == reflect.Slice {
hasAssigned = true
x := reflect.New(fieldType)
if len(vv.Bytes()) > 0 {
err := json.Unmarshal(vv.Bytes(), x.Interface())
if err != nil {
session.Engine.logger.Error(err)
return err
}
fieldValue.Set(x.Elem())
}
}
} else if session.Statement.UseCascade {
table := session.Engine.autoMapType(*fieldValue)
if table != nil {
hasAssigned = true
if len(table.PrimaryKeys) != 1 {
panic("unsupported non or composited primary key cascade")
}
var pk = make(core.PK, len(table.PrimaryKeys))
switch rawValueType.Kind() {
case reflect.Int64:
pk[0] = vv.Int()
case reflect.Int:
pk[0] = int(vv.Int())
case reflect.Int32:
pk[0] = int32(vv.Int())
case reflect.Int16:
pk[0] = int16(vv.Int())
case reflect.Int8:
pk[0] = int8(vv.Int())
case reflect.Uint64:
pk[0] = vv.Uint()
case reflect.Uint:
pk[0] = uint(vv.Uint())
case reflect.Uint32:
pk[0] = uint32(vv.Uint())
case reflect.Uint16:
pk[0] = uint16(vv.Uint())
case reflect.Uint8:
pk[0] = uint8(vv.Uint())
case reflect.String:
pk[0] = vv.String()
case reflect.Slice:
pk[0], _ = strconv.ParseInt(string(rawValue.Interface().([]byte)), 10, 64)
default:
panic(fmt.Sprintf("unsupported primary key type: %v, %v", rawValueType, fieldValue))
}
if !isPKZero(pk) {
// !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())
newsession := session.Engine.NewSession()
defer newsession.Close()
has, err := newsession.Id(pk).NoCascade().Get(structInter.Interface())
if err != nil {
return err
}
if has {
//v := structInter.Elem().Interface()
//fieldValue.Set(reflect.ValueOf(v))
fieldValue.Set(structInter.Elem())
} else {
return errors.New("cascade obj is not exist!")
}
}
} else {
session.Engine.logger.Error("unsupported struct type in Scan: ", fieldValue.Type().String())
}
}
case reflect.Ptr:
// !nashtsai! TODO merge duplicated codes above
//typeStr := fieldType.String()
switch fieldType {
// following types case matching ptr's native type, therefore assign ptr directly
case core.PtrStringType:
if rawValueType.Kind() == reflect.String {
x := vv.String()
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrBoolType:
if rawValueType.Kind() == reflect.Bool {
x := vv.Bool()
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrTimeType:
if rawValueType == core.PtrTimeType {
hasAssigned = true
var x = rawValue.Interface().(time.Time)
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrFloat64Type:
if rawValueType.Kind() == reflect.Float64 {
x := vv.Float()
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrUint64Type:
if rawValueType.Kind() == reflect.Int64 {
var x = uint64(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrInt64Type:
if rawValueType.Kind() == reflect.Int64 {
x := vv.Int()
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrFloat32Type:
if rawValueType.Kind() == reflect.Float64 {
var x = float32(vv.Float())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrIntType:
if rawValueType.Kind() == reflect.Int64 {
var x = int(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrInt32Type:
if rawValueType.Kind() == reflect.Int64 {
var x = int32(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrInt8Type:
if rawValueType.Kind() == reflect.Int64 {
var x = int8(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrInt16Type:
if rawValueType.Kind() == reflect.Int64 {
var x = int16(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrUintType:
if rawValueType.Kind() == reflect.Int64 {
var x = uint(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.PtrUint32Type:
if rawValueType.Kind() == reflect.Int64 {
var x = uint32(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.Uint8Type:
if rawValueType.Kind() == reflect.Int64 {
var x = uint8(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.Uint16Type:
if rawValueType.Kind() == reflect.Int64 {
var x = uint16(vv.Int())
hasAssigned = true
fieldValue.Set(reflect.ValueOf(&x))
}
case core.Complex64Type:
var x complex64
if len([]byte(vv.String())) > 0 {
err := json.Unmarshal([]byte(vv.String()), &x)
if err != nil {
session.Engine.logger.Error(err)
} else {
fieldValue.Set(reflect.ValueOf(&x))
}
}
hasAssigned = true
case core.Complex128Type:
var x complex128
if len([]byte(vv.String())) > 0 {
err := json.Unmarshal([]byte(vv.String()), &x)
if err != nil {
session.Engine.logger.Error(err)
} else {
fieldValue.Set(reflect.ValueOf(&x))
}
}
hasAssigned = true
} // switch fieldType
// default:
// session.Engine.LogError("unsupported type in Scan: ", reflect.TypeOf(v).String())
} // 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 {
session.bytes2Value(col, fieldValue, data)
} else {
session.Engine.logger.Error(err.Error())
}
}
}
}
return nil
}
