func (db *mssql) CreateTableSql(table *core.Table, tableName, storeEngine, charset string) string {
var sql string
if tableName == "" {
tableName = table.Name
}
sql = "IF NOT EXISTS (SELECT [name] FROM sys.tables WHERE [name] = '" + tableName + "' ) CREATE TABLE "
sql += db.QuoteStr() + tableName + db.QuoteStr() + " ("
pkList := table.PrimaryKeys
for _, colName := range table.ColumnsSeq() {
col := table.GetColumn(colName)
if col.IsPrimaryKey && len(pkList) == 1 {
sql += col.String(db)
} else {
sql += col.StringNoPk(db)
}
sql = strings.TrimSpace(sql)
sql += ", "
}
if len(pkList) > 1 {
sql += "PRIMARY KEY ( "
sql += strings.Join(pkList, ",")
sql += " ), "
}
sql = sql[:len(sql)-2] + ")"
sql += ";"
return sql
}
func addIndex(indexName string, table *core.Table, col *core.Column, indexType int) {
if index, ok := table.Indexes[indexName]; ok {
index.AddColumn(col.Name)
col.Indexes[index.Name] = indexType
} else {
index := core.NewIndex(indexName, indexType)
index.AddColumn(col.Name)
table.AddIndex(index)
col.Indexes[index.Name] = indexType
}
}
func (b *oracle) CreateTableSql(table *core.Table, tableName, storeEngine, charset string) string {
var sql string
sql = "CREATE TABLE "
if tableName == "" {
tableName = table.Name
}
sql += b.Quote(tableName) + " ("
pkList := table.PrimaryKeys
for _, colName := range table.ColumnsSeq() {
col := table.GetColumn(colName)
/*if col.IsPrimaryKey && len(pkList) == 1 {
sql += col.String(b.dialect)
} else {*/
sql += col.StringNoPk(b)
//}
sql = strings.TrimSpace(sql)
sql += ", "
}
if len(pkList) > 0 {
sql += "PRIMARY KEY ( "
sql += b.Quote(strings.Join(pkList, b.Quote(",")))
sql += " ), "
}
sql = sql[:len(sql)-2] + ")"
if b.SupportEngine() && storeEngine != "" {
sql += " ENGINE=" + storeEngine
}
if b.SupportCharset() {
if len(charset) == 0 {
charset = b.URI().Charset
}
if len(charset) > 0 {
sql += " DEFAULT CHARSET " + charset
}
}
return sql
}
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
}
func genCols(table *core.Table, session *Session, bean interface{}, useCol bool, includeQuote bool) ([]string, []interface{}, error) {
colNames := make([]string, 0, len(table.ColumnsSeq()))
args := make([]interface{}, 0, len(table.ColumnsSeq()))
for _, col := range table.Columns() {
lColName := strings.ToLower(col.Name)
if useCol && !col.IsVersion && !col.IsCreated && !col.IsUpdated {
if _, ok := session.Statement.columnMap[lColName]; !ok {
continue
}
}
if col.MapType == core.ONLYFROMDB {
continue
}
fieldValuePtr, err := col.ValueOf(bean)
if err != nil {
return nil, nil, err
}
fieldValue := *fieldValuePtr
if col.IsAutoIncrement {
switch fieldValue.Type().Kind() {
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int, reflect.Int64:
if fieldValue.Int() == 0 {
continue
}
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint, reflect.Uint64:
if fieldValue.Uint() == 0 {
continue
}
case reflect.String:
if len(fieldValue.String()) == 0 {
continue
}
}
}
if col.IsDeleted {
continue
}
if session.Statement.ColumnStr != "" {
if _, ok := session.Statement.columnMap[lColName]; !ok {
continue
}
}
if session.Statement.OmitStr != "" {
if _, ok := session.Statement.columnMap[lColName]; ok {
continue
}
}
// !evalphobia! set fieldValue as nil when column is nullable and zero-value
if _, ok := session.Statement.nullableMap[lColName]; ok {
if col.Nullable && isZero(fieldValue.Interface()) {
var nilValue *int
fieldValue = reflect.ValueOf(nilValue)
}
}
if (col.IsCreated || col.IsUpdated) && session.Statement.UseAutoTime {
val, t := session.Engine.NowTime2(col.SQLType.Name)
args = append(args, val)
var colName = col.Name
session.afterClosures = append(session.afterClosures, func(bean interface{}) {
col := table.GetColumn(colName)
setColumnTime(bean, col, t)
})
} else if col.IsVersion && session.Statement.checkVersion {
args = append(args, 1)
} else {
arg, err := session.value2Interface(col, fieldValue)
if err != nil {
return colNames, args, err
}
args = append(args, arg)
}
if includeQuote {
colNames = append(colNames, session.Engine.Quote(col.Name)+" = ?")
} else {
colNames = append(colNames, col.Name)
}
}
return colNames, args, nil
}
// Auto generating conditions according a struct
func buildConditions(engine *Engine, table *core.Table, bean interface{},
includeVersion bool, includeUpdated bool, includeNil bool,
includeAutoIncr bool, allUseBool bool, useAllCols bool, unscoped bool,
mustColumnMap map[string]bool, tableName, aliasName string, addedTableName bool) ([]string, []interface{}) {
var colNames []string
var args = make([]interface{}, 0)
for _, col := range table.Columns() {
if !includeVersion && col.IsVersion {
continue
}
if !includeUpdated && col.IsUpdated {
continue
}
if !includeAutoIncr && col.IsAutoIncrement {
continue
}
if engine.dialect.DBType() == core.MSSQL && col.SQLType.Name == core.Text {
continue
}
if col.SQLType.IsJson() {
continue
}
var colName string
if addedTableName {
var nm = tableName
if len(aliasName) > 0 {
nm = aliasName
}
colName = engine.Quote(nm) + "." + engine.Quote(col.Name)
} else {
colName = engine.Quote(col.Name)
}
fieldValuePtr, err := col.ValueOf(bean)
if err != nil {
engine.logger.Error(err)
continue
}
if col.IsDeleted && !unscoped { // tag "deleted" is enabled
colNames = append(colNames, fmt.Sprintf("(%v IS NULL OR %v = '0001-01-01 00:00:00')",
colName, colName))
}
fieldValue := *fieldValuePtr
if fieldValue.Interface() == nil {
continue
}
fieldType := reflect.TypeOf(fieldValue.Interface())
requiredField := useAllCols
if b, ok := mustColumnMap[strings.ToLower(col.Name)]; ok {
if b {
requiredField = true
} else {
continue
}
}
if fieldType.Kind() == reflect.Ptr {
if fieldValue.IsNil() {
if includeNil {
args = append(args, nil)
colNames = append(colNames, fmt.Sprintf("%v %s ?", colName, engine.dialect.EqStr()))
}
continue
} else if !fieldValue.IsValid() {
continue
} else {
// dereference ptr type to instance type
fieldValue = fieldValue.Elem()
fieldType = reflect.TypeOf(fieldValue.Interface())
requiredField = true
}
}
var val interface{}
switch fieldType.Kind() {
case reflect.Bool:
if allUseBool || requiredField {
val = fieldValue.Interface()
} else {
// if a bool in a struct, it will not be as a condition because it default is false,
// please use Where() instead
continue
}
case reflect.String:
if !requiredField && fieldValue.String() == "" {
continue
}
// for MyString, should convert to string or panic
if fieldType.String() != reflect.String.String() {
val = fieldValue.String()
} else {
val = fieldValue.Interface()
}
case reflect.Int8, reflect.Int16, reflect.Int, reflect.Int32, reflect.Int64:
if !requiredField && fieldValue.Int() == 0 {
continue
}
val = fieldValue.Interface()
case reflect.Float32, reflect.Float64:
if !requiredField && fieldValue.Float() == 0.0 {
continue
}
val = fieldValue.Interface()
case reflect.Uint8, reflect.Uint16, reflect.Uint, reflect.Uint32, reflect.Uint64:
if !requiredField && fieldValue.Uint() == 0 {
continue
}
t := int64(fieldValue.Uint())
val = reflect.ValueOf(&t).Interface()
case reflect.Struct:
if fieldType.ConvertibleTo(core.TimeType) {
t := fieldValue.Convert(core.TimeType).Interface().(time.Time)
if !requiredField && (t.IsZero() || !fieldValue.IsValid()) {
continue
}
val = engine.FormatTime(col.SQLType.Name, t)
} else if _, ok := reflect.New(fieldType).Interface().(core.Conversion); ok {
continue
} else if valNul, ok := fieldValue.Interface().(driver.Valuer); ok {
val, _ = valNul.Value()
if val == nil {
continue
}
} else {
if col.SQLType.IsJson() {
if col.SQLType.IsText() {
bytes, err := json.Marshal(fieldValue.Interface())
if err != nil {
engine.logger.Error(err)
continue
}
val = string(bytes)
} else if col.SQLType.IsBlob() {
var bytes []byte
var err error
bytes, err = json.Marshal(fieldValue.Interface())
if err != nil {
engine.logger.Error(err)
continue
}
val = bytes
}
} else {
engine.autoMapType(fieldValue)
if table, ok := engine.Tables[fieldValue.Type()]; ok {
if len(table.PrimaryKeys) == 1 {
pkField := reflect.Indirect(fieldValue).FieldByName(table.PKColumns()[0].FieldName)
// fix non-int pk issues
//if pkField.Int() != 0 {
if pkField.IsValid() && !isZero(pkField.Interface()) {
val = pkField.Interface()
} else {
continue
}
} else {
//TODO: how to handler?
panic(fmt.Sprintln("not supported", fieldValue.Interface(), "as", table.PrimaryKeys))
}
} else {
val = fieldValue.Interface()
}
}
}
case reflect.Array, reflect.Slice, reflect.Map:
if fieldValue == reflect.Zero(fieldType) {
continue
}
if fieldValue.IsNil() || !fieldValue.IsValid() || fieldValue.Len() == 0 {
continue
}
if col.SQLType.IsText() {
bytes, err := json.Marshal(fieldValue.Interface())
if err != nil {
engine.logger.Error(err)
continue
}
val = string(bytes)
} else if col.SQLType.IsBlob() {
var bytes []byte
var err error
if (fieldType.Kind() == reflect.Array || fieldType.Kind() == reflect.Slice) &&
fieldType.Elem().Kind() == reflect.Uint8 {
if fieldValue.Len() > 0 {
val = fieldValue.Bytes()
} else {
continue
}
} else {
bytes, err = json.Marshal(fieldValue.Interface())
if err != nil {
engine.logger.Error(err)
continue
}
val = bytes
}
} else {
continue
}
default:
val = fieldValue.Interface()
}
args = append(args, val)
var condi string
if col.IsPrimaryKey && engine.dialect.DBType() == "ql" {
condi = "id() == ?"
} else {
condi = fmt.Sprintf("%v %s ?", colName, engine.dialect.EqStr())
}
colNames = append(colNames, condi)
}
return colNames, args
}
// Auto generating update columnes and values according a struct
func buildUpdates(engine *Engine, table *core.Table, bean interface{},
includeVersion bool, includeUpdated bool, includeNil bool,
includeAutoIncr bool, allUseBool bool, useAllCols bool,
mustColumnMap map[string]bool, nullableMap map[string]bool,
columnMap map[string]bool, update, unscoped bool) ([]string, []interface{}) {
var colNames = make([]string, 0)
var args = make([]interface{}, 0)
for _, col := range table.Columns() {
if !includeVersion && col.IsVersion {
continue
}
if col.IsCreated {
continue
}
if !includeUpdated && col.IsUpdated {
continue
}
if !includeAutoIncr && col.IsAutoIncrement {
continue
}
if col.IsDeleted && !unscoped {
continue
}
if use, ok := columnMap[col.Name]; ok && !use {
continue
}
fieldValuePtr, err := col.ValueOf(bean)
if err != nil {
engine.logger.Error(err)
continue
}
fieldValue := *fieldValuePtr
fieldType := reflect.TypeOf(fieldValue.Interface())
requiredField := useAllCols
includeNil := useAllCols
lColName := strings.ToLower(col.Name)
if b, ok := mustColumnMap[lColName]; ok {
if b {
requiredField = true
} else {
continue
}
}
// !evalphobia! set fieldValue as nil when column is nullable and zero-value
if b, ok := nullableMap[lColName]; ok {
if b && col.Nullable && isZero(fieldValue.Interface()) {
var nilValue *int
fieldValue = reflect.ValueOf(nilValue)
fieldType = reflect.TypeOf(fieldValue.Interface())
includeNil = true
}
}
var val interface{}
if fieldValue.CanAddr() {
if structConvert, ok := fieldValue.Addr().Interface().(core.Conversion); ok {
data, err := structConvert.ToDB()
if err != nil {
engine.logger.Error(err)
} else {
val = data
}
goto APPEND
}
}
if structConvert, ok := fieldValue.Interface().(core.Conversion); ok {
data, err := structConvert.ToDB()
if err != nil {
engine.logger.Error(err)
} else {
val = data
}
goto APPEND
}
if fieldType.Kind() == reflect.Ptr {
if fieldValue.IsNil() {
if includeNil {
args = append(args, nil)
colNames = append(colNames, fmt.Sprintf("%v=?", engine.Quote(col.Name)))
}
continue
} else if !fieldValue.IsValid() {
continue
} else {
// dereference ptr type to instance type
fieldValue = fieldValue.Elem()
fieldType = reflect.TypeOf(fieldValue.Interface())
requiredField = true
}
}
switch fieldType.Kind() {
case reflect.Bool:
if allUseBool || requiredField {
val = fieldValue.Interface()
} else {
// if a bool in a struct, it will not be as a condition because it default is false,
// please use Where() instead
continue
}
case reflect.String:
if !requiredField && fieldValue.String() == "" {
continue
}
// for MyString, should convert to string or panic
if fieldType.String() != reflect.String.String() {
val = fieldValue.String()
} else {
val = fieldValue.Interface()
}
case reflect.Int8, reflect.Int16, reflect.Int, reflect.Int32, reflect.Int64:
if !requiredField && fieldValue.Int() == 0 {
continue
}
val = fieldValue.Interface()
case reflect.Float32, reflect.Float64:
if !requiredField && fieldValue.Float() == 0.0 {
continue
}
val = fieldValue.Interface()
case reflect.Uint8, reflect.Uint16, reflect.Uint, reflect.Uint32, reflect.Uint64:
if !requiredField && fieldValue.Uint() == 0 {
continue
}
t := int64(fieldValue.Uint())
val = reflect.ValueOf(&t).Interface()
case reflect.Struct:
if fieldType.ConvertibleTo(core.TimeType) {
t := fieldValue.Convert(core.TimeType).Interface().(time.Time)
if !requiredField && (t.IsZero() || !fieldValue.IsValid()) {
continue
}
val = engine.FormatTime(col.SQLType.Name, t)
} else if nulType, ok := fieldValue.Interface().(driver.Valuer); ok {
val, _ = nulType.Value()
} else {
if !col.SQLType.IsJson() {
engine.autoMapType(fieldValue)
if table, ok := engine.Tables[fieldValue.Type()]; ok {
if len(table.PrimaryKeys) == 1 {
pkField := reflect.Indirect(fieldValue).FieldByName(table.PKColumns()[0].FieldName)
// fix non-int pk issues
if pkField.IsValid() && (!requiredField && !isZero(pkField.Interface())) {
val = pkField.Interface()
} else {
continue
}
} else {
//TODO: how to handler?
panic("not supported")
}
} else {
val = fieldValue.Interface()
}
} else {
// Blank struct could not be as update data
if requiredField || !isStructZero(fieldValue) {
bytes, err := json.Marshal(fieldValue.Interface())
if err != nil {
panic(fmt.Sprintf("mashal %v failed", fieldValue.Interface()))
}
if col.SQLType.IsText() {
val = string(bytes)
} else if col.SQLType.IsBlob() {
val = bytes
}
} else {
continue
}
}
}
case reflect.Array, reflect.Slice, reflect.Map:
if !requiredField {
if fieldValue == reflect.Zero(fieldType) {
continue
}
if fieldValue.IsNil() || !fieldValue.IsValid() || fieldValue.Len() == 0 {
continue
}
}
if col.SQLType.IsText() {
bytes, err := json.Marshal(fieldValue.Interface())
if err != nil {
engine.logger.Error(err)
continue
}
val = string(bytes)
} else if col.SQLType.IsBlob() {
var bytes []byte
var err error
if (fieldType.Kind() == reflect.Array || fieldType.Kind() == reflect.Slice) &&
fieldType.Elem().Kind() == reflect.Uint8 {
if fieldValue.Len() > 0 {
val = fieldValue.Bytes()
} else {
continue
}
} else {
bytes, err = json.Marshal(fieldValue.Interface())
if err != nil {
engine.logger.Error(err)
continue
}
val = bytes
}
} else {
continue
}
default:
val = fieldValue.Interface()
}
APPEND:
//fmt.Println("==", col.Name, "==", fmt.Sprintf("%v", val))
args = append(args, val)
if col.IsPrimaryKey && engine.dialect.DBType() == "ql" {
continue
}
colNames = append(colNames, fmt.Sprintf("%v = ?", engine.Quote(col.Name)))
}
return colNames, args
}