diff options
Diffstat (limited to 'vendor/github.com/go-xorm/xorm/session_convert.go')
| -rw-r--r-- | vendor/github.com/go-xorm/xorm/session_convert.go | 662 |
1 files changed, 0 insertions, 662 deletions
diff --git a/vendor/github.com/go-xorm/xorm/session_convert.go b/vendor/github.com/go-xorm/xorm/session_convert.go deleted file mode 100644 index 1f9d8aa1..00000000 --- a/vendor/github.com/go-xorm/xorm/session_convert.go +++ /dev/null @@ -1,662 +0,0 @@ -// Copyright 2017 The Xorm Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package xorm - -import ( - "database/sql" - "database/sql/driver" - "encoding/json" - "errors" - "fmt" - "reflect" - "strconv" - "strings" - "time" - - "github.com/go-xorm/core" -) - -func (session *Session) str2Time(col *core.Column, data string) (outTime time.Time, outErr error) { - sdata := strings.TrimSpace(data) - var x time.Time - var err error - - var parseLoc = session.engine.DatabaseTZ - if col.TimeZone != nil { - parseLoc = col.TimeZone - } - - if sdata == zeroTime0 || sdata == zeroTime1 { - } else if !strings.ContainsAny(sdata, "- :") { // !nashtsai! has only found that mymysql driver is using this for time type column - // time stamp - sd, err := strconv.ParseInt(sdata, 10, 64) - if err == nil { - x = time.Unix(sd, 0) - //session.engine.logger.Debugf("time(0) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata) - } else { - //session.engine.logger.Debugf("time(0) err key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata) - } - } else if len(sdata) > 19 && strings.Contains(sdata, "-") { - x, err = time.ParseInLocation(time.RFC3339Nano, sdata, parseLoc) - session.engine.logger.Debugf("time(1) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata) - if err != nil { - x, err = time.ParseInLocation("2006-01-02 15:04:05.999999999", sdata, parseLoc) - //session.engine.logger.Debugf("time(2) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata) - } - if err != nil { - x, err = time.ParseInLocation("2006-01-02 15:04:05.9999999 Z07:00", sdata, parseLoc) - //session.engine.logger.Debugf("time(3) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata) - } - } else if len(sdata) == 19 && strings.Contains(sdata, "-") { - x, err = time.ParseInLocation("2006-01-02 15:04:05", sdata, parseLoc) - //session.engine.logger.Debugf("time(4) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata) - } else if len(sdata) == 10 && sdata[4] == '-' && sdata[7] == '-' { - x, err = time.ParseInLocation("2006-01-02", sdata, parseLoc) - //session.engine.logger.Debugf("time(5) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata) - } else if col.SQLType.Name == core.Time { - if strings.Contains(sdata, " ") { - ssd := strings.Split(sdata, " ") - sdata = ssd[1] - } - - sdata = strings.TrimSpace(sdata) - if session.engine.dialect.DBType() == core.MYSQL && len(sdata) > 8 { - sdata = sdata[len(sdata)-8:] - } - - st := fmt.Sprintf("2006-01-02 %v", sdata) - x, err = time.ParseInLocation("2006-01-02 15:04:05", st, parseLoc) - //session.engine.logger.Debugf("time(6) key[%v]: %+v | sdata: [%v]\n", col.FieldName, x, sdata) - } else { - outErr = fmt.Errorf("unsupported time format %v", sdata) - return - } - if err != nil { - outErr = fmt.Errorf("unsupported time format %v: %v", sdata, err) - return - } - outTime = x.In(session.engine.TZLocation) - return -} - -func (session *Session) byte2Time(col *core.Column, data []byte) (outTime time.Time, outErr error) { - return session.str2Time(col, string(data)) -} - -// convert a db data([]byte) to a field value -func (session *Session) bytes2Value(col *core.Column, fieldValue *reflect.Value, data []byte) error { - if structConvert, ok := fieldValue.Addr().Interface().(core.Conversion); ok { - return structConvert.FromDB(data) - } - - if structConvert, ok := fieldValue.Interface().(core.Conversion); ok { - return structConvert.FromDB(data) - } - - var v interface{} - key := col.Name - fieldType := fieldValue.Type() - - switch fieldType.Kind() { - case reflect.Complex64, reflect.Complex128: - x := reflect.New(fieldType) - if len(data) > 0 { - err := json.Unmarshal(data, x.Interface()) - if err != nil { - session.engine.logger.Error(err) - return err - } - fieldValue.Set(x.Elem()) - } - case reflect.Slice, reflect.Array, reflect.Map: - v = data - t := fieldType.Elem() - k := t.Kind() - if col.SQLType.IsText() { - x := reflect.New(fieldType) - if len(data) > 0 { - err := json.Unmarshal(data, x.Interface()) - if err != nil { - session.engine.logger.Error(err) - return err - } - fieldValue.Set(x.Elem()) - } - } else if col.SQLType.IsBlob() { - if k == reflect.Uint8 { - fieldValue.Set(reflect.ValueOf(v)) - } else { - x := reflect.New(fieldType) - if len(data) > 0 { - err := json.Unmarshal(data, x.Interface()) - if err != nil { - session.engine.logger.Error(err) - return err - } - fieldValue.Set(x.Elem()) - } - } - } else { - return ErrUnSupportedType - } - case reflect.String: - fieldValue.SetString(string(data)) - case reflect.Bool: - v, err := asBool(data) - if err != nil { - return fmt.Errorf("arg %v as bool: %s", key, err.Error()) - } - fieldValue.Set(reflect.ValueOf(v)) - case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: - sdata := string(data) - var x int64 - var err error - // for mysql, when use bit, it returned \x01 - if col.SQLType.Name == core.Bit && - session.engine.dialect.DBType() == core.MYSQL { // !nashtsai! TODO dialect needs to provide conversion interface API - if len(data) == 1 { - x = int64(data[0]) - } else { - x = 0 - } - } else if strings.HasPrefix(sdata, "0x") { - x, err = strconv.ParseInt(sdata, 16, 64) - } else if strings.HasPrefix(sdata, "0") { - x, err = strconv.ParseInt(sdata, 8, 64) - } else if strings.EqualFold(sdata, "true") { - x = 1 - } else if strings.EqualFold(sdata, "false") { - x = 0 - } else { - x, err = strconv.ParseInt(sdata, 10, 64) - } - if err != nil { - return fmt.Errorf("arg %v as int: %s", key, err.Error()) - } - fieldValue.SetInt(x) - case reflect.Float32, reflect.Float64: - x, err := strconv.ParseFloat(string(data), 64) - if err != nil { - return fmt.Errorf("arg %v as float64: %s", key, err.Error()) - } - fieldValue.SetFloat(x) - case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint: - x, err := strconv.ParseUint(string(data), 10, 64) - if err != nil { - return fmt.Errorf("arg %v as int: %s", key, err.Error()) - } - fieldValue.SetUint(x) - //Currently only support Time type - case reflect.Struct: - // !<winxxp>! 增加支持sql.Scanner接口的结构，如sql.NullString - if nulVal, ok := fieldValue.Addr().Interface().(sql.Scanner); ok { - if err := nulVal.Scan(data); err != nil { - return fmt.Errorf("sql.Scan(%v) failed: %s ", data, err.Error()) - } - } else { - if fieldType.ConvertibleTo(core.TimeType) { - x, err := session.byte2Time(col, data) - if err != nil { - return err - } - v = x - fieldValue.Set(reflect.ValueOf(v).Convert(fieldType)) - } else if session.statement.UseCascade { - table, err := session.engine.autoMapType(*fieldValue) - if err != nil { - return err - } - - // TODO: current only support 1 primary key - if len(table.PrimaryKeys) > 1 { - return errors.New("unsupported composited primary key cascade") - } - - var pk = make(core.PK, len(table.PrimaryKeys)) - rawValueType := table.ColumnType(table.PKColumns()[0].FieldName) - pk[0], err = str2PK(string(data), rawValueType) - if err != nil { - return err - } - - 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()) - has, err := session.ID(pk).NoCascade().get(structInter.Interface()) - if err != nil { - return err - } - if has { - v = structInter.Elem().Interface() - fieldValue.Set(reflect.ValueOf(v)) - } else { - return errors.New("cascade obj is not exist") - } - } - } - } - case reflect.Ptr: - // !nashtsai! TODO merge duplicated codes above - //typeStr := fieldType.String() - switch fieldType.Elem().Kind() { - // case "*string": - case core.StringType.Kind(): - x := string(data) - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - // case "*bool": - case core.BoolType.Kind(): - d := string(data) - v, err := strconv.ParseBool(d) - if err != nil { - return fmt.Errorf("arg %v as bool: %s", key, err.Error()) - } - fieldValue.Set(reflect.ValueOf(&v).Convert(fieldType)) - // case "*complex64": - case core.Complex64Type.Kind(): - var x complex64 - if len(data) > 0 { - err := json.Unmarshal(data, &x) - if err != nil { - session.engine.logger.Error(err) - return err - } - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - } - // case "*complex128": - case core.Complex128Type.Kind(): - var x complex128 - if len(data) > 0 { - err := json.Unmarshal(data, &x) - if err != nil { - session.engine.logger.Error(err) - return err - } - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - } - // case "*float64": - case core.Float64Type.Kind(): - x, err := strconv.ParseFloat(string(data), 64) - if err != nil { - return fmt.Errorf("arg %v as float64: %s", key, err.Error()) - } - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - // case "*float32": - case core.Float32Type.Kind(): - var x float32 - x1, err := strconv.ParseFloat(string(data), 32) - if err != nil { - return fmt.Errorf("arg %v as float32: %s", key, err.Error()) - } - x = float32(x1) - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - // case "*uint64": - case core.Uint64Type.Kind(): - var x uint64 - x, err := strconv.ParseUint(string(data), 10, 64) - if err != nil { - return fmt.Errorf("arg %v as int: %s", key, err.Error()) - } - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - // case "*uint": - case core.UintType.Kind(): - var x uint - x1, err := strconv.ParseUint(string(data), 10, 64) - if err != nil { - return fmt.Errorf("arg %v as int: %s", key, err.Error()) - } - x = uint(x1) - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - // case "*uint32": - case core.Uint32Type.Kind(): - var x uint32 - x1, err := strconv.ParseUint(string(data), 10, 64) - if err != nil { - return fmt.Errorf("arg %v as int: %s", key, err.Error()) - } - x = uint32(x1) - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - // case "*uint8": - case core.Uint8Type.Kind(): - var x uint8 - x1, err := strconv.ParseUint(string(data), 10, 64) - if err != nil { - return fmt.Errorf("arg %v as int: %s", key, err.Error()) - } - x = uint8(x1) - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - // case "*uint16": - case core.Uint16Type.Kind(): - var x uint16 - x1, err := strconv.ParseUint(string(data), 10, 64) - if err != nil { - return fmt.Errorf("arg %v as int: %s", key, err.Error()) - } - x = uint16(x1) - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - // case "*int64": - case core.Int64Type.Kind(): - sdata := string(data) - var x int64 - var err error - // for mysql, when use bit, it returned \x01 - if col.SQLType.Name == core.Bit && - strings.Contains(session.engine.DriverName(), "mysql") { - if len(data) == 1 { - x = int64(data[0]) - } else { - x = 0 - } - } else if strings.HasPrefix(sdata, "0x") { - x, err = strconv.ParseInt(sdata, 16, 64) - } else if strings.HasPrefix(sdata, "0") { - x, err = strconv.ParseInt(sdata, 8, 64) - } else { - x, err = strconv.ParseInt(sdata, 10, 64) - } - if err != nil { - return fmt.Errorf("arg %v as int: %s", key, err.Error()) - } - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - // case "*int": - case core.IntType.Kind(): - sdata := string(data) - var x int - var x1 int64 - var err error - // for mysql, when use bit, it returned \x01 - if col.SQLType.Name == core.Bit && - strings.Contains(session.engine.DriverName(), "mysql") { - if len(data) == 1 { - x = int(data[0]) - } else { - x = 0 - } - } else if strings.HasPrefix(sdata, "0x") { - x1, err = strconv.ParseInt(sdata, 16, 64) - x = int(x1) - } else if strings.HasPrefix(sdata, "0") { - x1, err = strconv.ParseInt(sdata, 8, 64) - x = int(x1) - } else { - x1, err = strconv.ParseInt(sdata, 10, 64) - x = int(x1) - } - if err != nil { - return fmt.Errorf("arg %v as int: %s", key, err.Error()) - } - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - // case "*int32": - case core.Int32Type.Kind(): - sdata := string(data) - var x int32 - var x1 int64 - var err error - // for mysql, when use bit, it returned \x01 - if col.SQLType.Name == core.Bit && - session.engine.dialect.DBType() == core.MYSQL { - if len(data) == 1 { - x = int32(data[0]) - } else { - x = 0 - } - } else if strings.HasPrefix(sdata, "0x") { - x1, err = strconv.ParseInt(sdata, 16, 64) - x = int32(x1) - } else if strings.HasPrefix(sdata, "0") { - x1, err = strconv.ParseInt(sdata, 8, 64) - x = int32(x1) - } else { - x1, err = strconv.ParseInt(sdata, 10, 64) - x = int32(x1) - } - if err != nil { - return fmt.Errorf("arg %v as int: %s", key, err.Error()) - } - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - // case "*int8": - case core.Int8Type.Kind(): - sdata := string(data) - var x int8 - var x1 int64 - var err error - // for mysql, when use bit, it returned \x01 - if col.SQLType.Name == core.Bit && - strings.Contains(session.engine.DriverName(), "mysql") { - if len(data) == 1 { - x = int8(data[0]) - } else { - x = 0 - } - } else if strings.HasPrefix(sdata, "0x") { - x1, err = strconv.ParseInt(sdata, 16, 64) - x = int8(x1) - } else if strings.HasPrefix(sdata, "0") { - x1, err = strconv.ParseInt(sdata, 8, 64) - x = int8(x1) - } else { - x1, err = strconv.ParseInt(sdata, 10, 64) - x = int8(x1) - } - if err != nil { - return fmt.Errorf("arg %v as int: %s", key, err.Error()) - } - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - // case "*int16": - case core.Int16Type.Kind(): - sdata := string(data) - var x int16 - var x1 int64 - var err error - // for mysql, when use bit, it returned \x01 - if col.SQLType.Name == core.Bit && - strings.Contains(session.engine.DriverName(), "mysql") { - if len(data) == 1 { - x = int16(data[0]) - } else { - x = 0 - } - } else if strings.HasPrefix(sdata, "0x") { - x1, err = strconv.ParseInt(sdata, 16, 64) - x = int16(x1) - } else if strings.HasPrefix(sdata, "0") { - x1, err = strconv.ParseInt(sdata, 8, 64) - x = int16(x1) - } else { - x1, err = strconv.ParseInt(sdata, 10, 64) - x = int16(x1) - } - if err != nil { - return fmt.Errorf("arg %v as int: %s", key, err.Error()) - } - fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType)) - // case "*SomeStruct": - case reflect.Struct: - switch fieldType { - // case "*.time.Time": - case core.PtrTimeType: - x, err := session.byte2Time(col, data) - if err != nil { - return err - } - v = x - fieldValue.Set(reflect.ValueOf(&x)) - default: - if session.statement.UseCascade { - structInter := reflect.New(fieldType.Elem()) - table, err := session.engine.autoMapType(structInter.Elem()) - if err != nil { - return err - } - - if len(table.PrimaryKeys) > 1 { - return errors.New("unsupported composited primary key cascade") - } - - var pk = make(core.PK, len(table.PrimaryKeys)) - rawValueType := table.ColumnType(table.PKColumns()[0].FieldName) - pk[0], err = str2PK(string(data), rawValueType) - if err != nil { - return err - } - - 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 - has, err := session.ID(pk).NoCascade().get(structInter.Interface()) - if err != nil { - return err - } - if has { - v = structInter.Interface() - fieldValue.Set(reflect.ValueOf(v)) - } else { - return errors.New("cascade obj is not exist") - } - } - } else { - return fmt.Errorf("unsupported struct type in Scan: %s", fieldValue.Type().String()) - } - } - default: - return fmt.Errorf("unsupported type in Scan: %s", fieldValue.Type().String()) - } - default: - return fmt.Errorf("unsupported type in Scan: %s", fieldValue.Type().String()) - } - - return nil -} - -// convert a field value of a struct to interface for put into db -func (session *Session) value2Interface(col *core.Column, fieldValue reflect.Value) (interface{}, error) { - if fieldValue.CanAddr() { - if fieldConvert, ok := fieldValue.Addr().Interface().(core.Conversion); ok { - data, err := fieldConvert.ToDB() - if err != nil { - return 0, err - } - if col.SQLType.IsBlob() { - return data, nil - } - return string(data), nil - } - } - - if fieldConvert, ok := fieldValue.Interface().(core.Conversion); ok { - data, err := fieldConvert.ToDB() - if err != nil { - return 0, err - } - if col.SQLType.IsBlob() { - return data, nil - } - return string(data), nil - } - - fieldType := fieldValue.Type() - k := fieldType.Kind() - if k == reflect.Ptr { - if fieldValue.IsNil() { - return nil, nil - } else if !fieldValue.IsValid() { - session.engine.logger.Warn("the field[", col.FieldName, "] is invalid") - return nil, nil - } else { - // !nashtsai! deference pointer type to instance type - fieldValue = fieldValue.Elem() - fieldType = fieldValue.Type() - k = fieldType.Kind() - } - } - - switch k { - case reflect.Bool: - return fieldValue.Bool(), nil - case reflect.String: - return fieldValue.String(), nil - case reflect.Struct: - if fieldType.ConvertibleTo(core.TimeType) { - t := fieldValue.Convert(core.TimeType).Interface().(time.Time) - tf := session.engine.formatColTime(col, t) - return tf, nil - } - - if !col.SQLType.IsJson() { - // !<winxxp>! 增加支持driver.Valuer接口的结构，如sql.NullString - if v, ok := fieldValue.Interface().(driver.Valuer); ok { - return v.Value() - } - - fieldTable, err := session.engine.autoMapType(fieldValue) - if err != nil { - return nil, err - } - if len(fieldTable.PrimaryKeys) == 1 { - pkField := reflect.Indirect(fieldValue).FieldByName(fieldTable.PKColumns()[0].FieldName) - return pkField.Interface(), nil - } - return 0, fmt.Errorf("no primary key for col %v", col.Name) - } - - if col.SQLType.IsText() { - bytes, err := json.Marshal(fieldValue.Interface()) - if err != nil { - session.engine.logger.Error(err) - return 0, err - } - return string(bytes), nil - } else if col.SQLType.IsBlob() { - bytes, err := json.Marshal(fieldValue.Interface()) - if err != nil { - session.engine.logger.Error(err) - return 0, err - } - return bytes, nil - } - return nil, fmt.Errorf("Unsupported type %v", fieldValue.Type()) - case reflect.Complex64, reflect.Complex128: - bytes, err := json.Marshal(fieldValue.Interface()) - if err != nil { - session.engine.logger.Error(err) - return 0, err - } - return string(bytes), nil - case reflect.Array, reflect.Slice, reflect.Map: - if !fieldValue.IsValid() { - return fieldValue.Interface(), nil - } - - if col.SQLType.IsText() { - bytes, err := json.Marshal(fieldValue.Interface()) - if err != nil { - session.engine.logger.Error(err) - return 0, err - } - return string(bytes), nil - } else if col.SQLType.IsBlob() { - var bytes []byte - var err error - if (k == reflect.Array || k == reflect.Slice) && - (fieldValue.Type().Elem().Kind() == reflect.Uint8) { - bytes = fieldValue.Bytes() - } else { - bytes, err = json.Marshal(fieldValue.Interface()) - if err != nil { - session.engine.logger.Error(err) - return 0, err - } - } - return bytes, nil - } - return nil, ErrUnSupportedType - case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint: - return int64(fieldValue.Uint()), nil - default: - return fieldValue.Interface(), nil - } -} |