t.Fatalf("Should failed to find result")
	}

	if err := DB.Table("customize_field_structs").Where("1 = 1").UpdateColumn("field_readonly", "readonly").Error; err != nil {
		t.Fatalf("failed to update field_readonly column")
	}

	if err := DB.Where(CustomizeFieldStruct{Name: create.Name, FieldReadonly: "readonly", FieldIgnore: create.FieldIgnore}).First(&CustomizeFieldStruct{}).Error; err != nil {
		t.Fatalf("Should find result")
	}

	"errors"
	"reflect"
	"testing"
	"time"

	"gorm.io/gorm"
	. "gorm.io/gorm/utils/tests"
)

func TestEmbeddedStruct(t *testing.T) {
	type ReadOnly struct {
		ReadOnly *bool
	}

	type BasePost struct {
		Id    int64
		Title string
		URL   string
		ReadOnly
	}

	type Author struct {
		ID    string
		Name  string
		Email string
	}

	type HNPost struct {
		BasePost

"2012-10-17","Statement":[{"Effect":"Allow","Action":["admin:Prometheus","admin:Profiling","admin:ServerTrace","admin:ConsoleLog","admin:ServerInfo","admin:TopLocksInfo","admin:OBDInfo","admin:BandwidthMonitor"],"Resource":["arn:aws:s3:::*"]}]},"readonly":{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Action":["s3:GetBucketLocation","s3:GetObject"],"Resource":["arn:aws:s3:::*"]}]},"readwrite":{"Version":"2012-10-17","Statement":[{"Effect":"Allow","Action":["s3:*"],"Resource":["arn:aws:s...

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package cmd

import (
	"os"
)

var (
	// Disallow updating access times
	readMode = os.O_RDONLY | 0x40000 // O_NOATIME

	// Write with data sync only used only for `xl.meta` writes
	writeMode = 0x1000 // O_DSYNC

	appendFile, err := lock.Open(dst, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0o666)
	if err != nil {
		return err
	}
	defer appendFile.Close()

	srcFile, err := lock.Open(src, os.O_RDONLY, 0o666)
	if err != nil {
		return err
	}
	defer srcFile.Close()
	_, err = io.Copy(appendFile, srcFile)
	return err

	}, nil
}

// RLockedOpenFile - returns a wrapped read locked file, if the file
// doesn't exist at path returns an error.
func RLockedOpenFile(path string) (*RLockedFile, error) {
	lkFile, err := LockedOpenFile(path, os.O_RDONLY, 0o666)
	if err != nil {
		return nil, err
	}

	return newRLockedFile(lkFile)
}

// LockedFile represents a locked file
type LockedFile struct {
	*os.File

)

// Internal function implements support for both
// blocking and non blocking lock type.
func lockedOpenFile(path string, flag int, perm os.FileMode, lockType int) (*LockedFile, error) {
	switch flag {
	case syscall.O_RDONLY:
		lockType |= syscall.LOCK_SH
	case syscall.O_WRONLY:
		fallthrough
	case syscall.O_RDWR:
		fallthrough
	case syscall.O_WRONLY | syscall.O_CREAT:
		fallthrough
	case syscall.O_RDWR | syscall.O_CREAT:

// acquire a write lock.
func TryLockedOpenFile(path string, flag int, perm os.FileMode) (*LockedFile, error) {
	var lockType uint32 = lockFileFailImmediately | lockFileExclusiveLock
	if flag == syscall.O_RDONLY {
		// https://docs.microsoft.com/en-us/windows/desktop/api/fileapi/nf-fileapi-lockfileex
		//lint:ignore SA4016 Reasons
		lockType = lockFileFailImmediately // Set this to enable shared lock and fail immediately.
	}

//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package ioutil

import "os"

			return osErrToFileErr(err)
		}
		// There may be permission error when dirPath
		// is at the root of the disk mount that may
		// not have the permissions to avoid 'noatime'
		fd, err = openFileWithFD(dirPath, os.O_RDONLY, 0o666)
		if err != nil {
			if osErrToFileErr(err) == errFileNotFound {
				return nil
			}
			return osErrToFileErr(err)
		}

	}
	defer syscall.Close(fd)