validation - cakephp 3 add unique constraint -


i'm sorry ask such "easy" question. tried following add unique validation rule model:

$validator             ->requirepresence('pseudonym', 'create',['rule' => 'isunique'])             ->notempty('pseudonym');

now don't error. if add database-constraint database-error:

integrity constraint violation: 1062 duplicate entry 'stella' key 'pseudonym'

if add:

$validator         ->add('pseudonym','unique',['rule' => 'validateunique']);

i a

method validateunique not found

exception.

so how work cakephp 3?

cakephp has rule class allows define unique fields http://book.cakephp.org/3.0/en/orm/validation.html#creating-unique-field-rules

use cake\orm\rule\isunique;  // single field. $rules->add($rules->isunique(['email']));  // list of fields $rules->add($rules->isunique(['username', 'account_id']));

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