fix: update panic if model is not ptr (#6037)

* fix: update panic if model is not ptr

* fix: update panic if model is not ptr

* fix: update panic if model is not ptr

* fix: raise an error if the value is not addressable

* fix: return
This commit is contained in:
black-06 2023-02-18 09:20:29 +08:00 committed by GitHub
parent 42fc75cb2c
commit e66a059b82
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 67 additions and 4 deletions

View File

@ -13,11 +13,20 @@ func callMethod(db *gorm.DB, fc func(value interface{}, tx *gorm.DB) bool) {
case reflect.Slice, reflect.Array:
db.Statement.CurDestIndex = 0
for i := 0; i < db.Statement.ReflectValue.Len(); i++ {
fc(reflect.Indirect(db.Statement.ReflectValue.Index(i)).Addr().Interface(), tx)
if value := reflect.Indirect(db.Statement.ReflectValue.Index(i)); value.CanAddr() {
fc(value.Addr().Interface(), tx)
} else {
db.AddError(gorm.ErrInvalidValue)
return
}
db.Statement.CurDestIndex++
}
case reflect.Struct:
if db.Statement.ReflectValue.CanAddr() {
fc(db.Statement.ReflectValue.Addr().Interface(), tx)
} else {
db.AddError(gorm.ErrInvalidValue)
}
}
}
}

View File

@ -137,9 +137,11 @@ func ConvertToAssignments(stmt *gorm.Statement) (set clause.Set) {
case reflect.Slice, reflect.Array:
assignValue = func(field *schema.Field, value interface{}) {
for i := 0; i < stmt.ReflectValue.Len(); i++ {
if stmt.ReflectValue.CanAddr() {
field.Set(stmt.Context, stmt.ReflectValue.Index(i), value)
}
}
}
case reflect.Struct:
assignValue = func(field *schema.Field, value interface{}) {
if stmt.ReflectValue.CanAddr() {

View File

@ -133,7 +133,7 @@ func GetIdentityFieldValuesMap(ctx context.Context, reflectValue reflect.Value,
for i := 0; i < reflectValue.Len(); i++ {
elem := reflectValue.Index(i)
elemKey := elem.Interface()
if elem.Kind() != reflect.Ptr {
if elem.Kind() != reflect.Ptr && elem.CanAddr() {
elemKey = elem.Addr().Interface()
}

View File

@ -514,3 +514,55 @@ func TestFailedToSaveAssociationShouldRollback(t *testing.T) {
t.Fatalf("AfterFind should not be called times:%d", productWithItem.Item.AfterFindCallTimes)
}
}
type Product5 struct {
gorm.Model
Name string
}
var beforeUpdateCall int
func (p *Product5) BeforeUpdate(*gorm.DB) error {
beforeUpdateCall = beforeUpdateCall + 1
return nil
}
func TestUpdateCallbacks(t *testing.T) {
DB.Migrator().DropTable(&Product5{})
DB.AutoMigrate(&Product5{})
p := Product5{Name: "unique_code"}
DB.Model(&Product5{}).Create(&p)
err := DB.Model(&Product5{}).Where("id", p.ID).Update("name", "update_name_1").Error
if err != nil {
t.Fatalf("should update success, but got err %v", err)
}
if beforeUpdateCall != 1 {
t.Fatalf("before update should be called")
}
err = DB.Model(Product5{}).Where("id", p.ID).Update("name", "update_name_2").Error
if !errors.Is(err, gorm.ErrInvalidValue) {
t.Fatalf("should got RecordNotFound, but got %v", err)
}
if beforeUpdateCall != 1 {
t.Fatalf("before update should not be called")
}
err = DB.Model([1]*Product5{&p}).Update("name", "update_name_3").Error
if err != nil {
t.Fatalf("should update success, but got err %v", err)
}
if beforeUpdateCall != 2 {
t.Fatalf("before update should be called")
}
err = DB.Model([1]Product5{p}).Update("name", "update_name_4").Error
if !errors.Is(err, gorm.ErrInvalidValue) {
t.Fatalf("should got RecordNotFound, but got %v", err)
}
if beforeUpdateCall != 2 {
t.Fatalf("before update should not be called")
}
}