php - Cake bake don't generate auto rules -

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i'm newbie in cakephp , i'm generating model's code bake. code generated dont give array auto validations. why not? fields not null, id, title , content fields. sorry bad english, , much.

my table:

create table `pages` (   `id` int(11) not null auto_increment,   `title` varchar(500) not null,   `content` text not null,   primary key (`id`) ) engine=innodb;

automatically cakephp bake doesn't create validation rules models. provides interactive shell create models , validation rules and/or relationships. more info in docs


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