{* ../../docs_src/query_params_str_validations/tutorial014_an_py310.py hl[10] *}

## Validation personnalisée { #custom-validation }

Il peut y avoir des cas où vous devez faire une **validation personnalisée** qui ne peut pas être réalisée avec les paramètres montrés ci-dessus.

			var parentPolicy string
			u, err := globalIAMSys.GetUserInfo(ctx, creds.ParentUser)
			if err != nil {
				// Parent may be "virtual" (for ldap, oidc, client tls auth,
				// custom auth plugin), so in such cases we apply no parent
				// policy. The session token will contain info about policy to
				// be applied.
				if !errors.Is(err, errNoSuchUser) {
					replLogOnceIf(ctx,

- A customizable `OrderedScoreFuncs()` function was introduced. Out-of-tree plugins 
  that used the scheduler's preemption interface could implement this function
  for custom preemption preferences or return nil to keep the current behavior. ([#121867](https://github.com/kubernetes/kubernetes/pull/121867), [@lianghao208](https://github.com/lianghao208))

ist.contains(CLASS_NAME_DROPUP_CENTER)) {\n      return PLACEMENT_TOPCENTER\n    }\n\n    if (parentDropdown.classList.contains(CLASS_NAME_DROPDOWN_CENTER)) {\n      return PLACEMENT_BOTTOMCENTER\n    }\n\n    // We need to trim the value because custom properties can also include spaces\n    const isEnd = getComputedStyle(this._menu).getPropertyValue('--bs-position').trim() === 'end'\n\n    if (parentDropdown.classList.contains(CLASS_NAME_DROPUP)) {\n      return isEnd ? PLACEMENT_TOPEND : PLACEMENT_TOP\n...

	// The first AutoMigrate to make table with field with correct type
	if err := DB.AutoMigrate(&MigrateInt{}); err != nil {
		t.Fatalf("Failed to auto migrate: error: %v", err)
	}

	// make new session to set custom logger tracer
	session := DB.Session(&gorm.Session{Logger: tracer})

	// The second AutoMigrate to catch an error
	if err := session.AutoMigrate(&MigrateInt{}); err != nil {

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