522 lines
15 KiB
Go
522 lines
15 KiB
Go
// 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"
|
||
"errors"
|
||
"fmt"
|
||
"reflect"
|
||
"strconv"
|
||
"strings"
|
||
"time"
|
||
|
||
"xorm.io/xorm/convert"
|
||
"xorm.io/xorm/internal/json"
|
||
"xorm.io/xorm/internal/utils"
|
||
"xorm.io/xorm/schemas"
|
||
)
|
||
|
||
func (session *Session) str2Time(col *schemas.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 == utils.ZeroTime0 || sdata == utils.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)
|
||
}
|
||
} 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.Name, x, sdata)
|
||
if err != nil {
|
||
x, err = time.ParseInLocation("2006-01-02 15:04:05.999999999", sdata, parseLoc)
|
||
}
|
||
if err != nil {
|
||
x, err = time.ParseInLocation("2006-01-02 15:04:05.9999999 Z07:00", sdata, parseLoc)
|
||
}
|
||
} else if len(sdata) == 19 && strings.Contains(sdata, "-") {
|
||
x, err = time.ParseInLocation("2006-01-02 15:04:05", sdata, parseLoc)
|
||
} else if len(sdata) == 10 && sdata[4] == '-' && sdata[7] == '-' {
|
||
x, err = time.ParseInLocation("2006-01-02", sdata, parseLoc)
|
||
} else if col.SQLType.Name == schemas.Time {
|
||
if strings.Contains(sdata, " ") {
|
||
ssd := strings.Split(sdata, " ")
|
||
sdata = ssd[1]
|
||
}
|
||
|
||
sdata = strings.TrimSpace(sdata)
|
||
if session.engine.dialect.URI().DBType == schemas.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)
|
||
} 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 *schemas.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 *schemas.Column, fieldValue *reflect.Value, data []byte) error {
|
||
if structConvert, ok := fieldValue.Addr().Interface().(convert.Conversion); ok {
|
||
return structConvert.FromDB(data)
|
||
}
|
||
|
||
if structConvert, ok := fieldValue.Interface().(convert.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.DefaultJSONHandler.Unmarshal(data, x.Interface())
|
||
if err != nil {
|
||
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.DefaultJSONHandler.Unmarshal(data, x.Interface())
|
||
if err != nil {
|
||
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.DefaultJSONHandler.Unmarshal(data, x.Interface())
|
||
if err != nil {
|
||
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 == schemas.Bit &&
|
||
session.engine.dialect.URI().DBType == schemas.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(schemas.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.tagParser.ParseWithCache(*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(schemas.PK, len(table.PrimaryKeys))
|
||
rawValueType := table.ColumnType(table.PKColumns()[0].FieldName)
|
||
pk[0], err = str2PK(string(data), rawValueType)
|
||
if err != nil {
|
||
return 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 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 schemas.StringType.Kind():
|
||
x := string(data)
|
||
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
|
||
// case "*bool":
|
||
case schemas.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 schemas.Complex64Type.Kind():
|
||
var x complex64
|
||
if len(data) > 0 {
|
||
err := json.DefaultJSONHandler.Unmarshal(data, &x)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
|
||
}
|
||
// case "*complex128":
|
||
case schemas.Complex128Type.Kind():
|
||
var x complex128
|
||
if len(data) > 0 {
|
||
err := json.DefaultJSONHandler.Unmarshal(data, &x)
|
||
if err != nil {
|
||
return err
|
||
}
|
||
fieldValue.Set(reflect.ValueOf(&x).Convert(fieldType))
|
||
}
|
||
// case "*float64":
|
||
case schemas.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 schemas.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 schemas.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 schemas.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 schemas.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 schemas.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 schemas.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 schemas.Int64Type.Kind():
|
||
sdata := string(data)
|
||
var x int64
|
||
var err error
|
||
// for mysql, when use bit, it returned \x01
|
||
if col.SQLType.Name == schemas.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 schemas.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 == schemas.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 schemas.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 == schemas.Bit &&
|
||
session.engine.dialect.URI().DBType == schemas.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 schemas.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 == schemas.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 schemas.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 == schemas.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 schemas.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.tagParser.ParseWithCache(structInter.Elem())
|
||
if err != nil {
|
||
return err
|
||
}
|
||
|
||
if len(table.PrimaryKeys) > 1 {
|
||
return errors.New("unsupported composited primary key cascade")
|
||
}
|
||
|
||
var pk = make(schemas.PK, len(table.PrimaryKeys))
|
||
rawValueType := table.ColumnType(table.PKColumns()[0].FieldName)
|
||
pk[0], err = str2PK(string(data), rawValueType)
|
||
if err != nil {
|
||
return 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
|
||
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
|
||
}
|