Souke/console/migrations/m171226_200642_tables_developpement.php

<?php

use yii\db\Migration;
use yii\db\Schema;

class m171226_200642_tables_developpement extends Migration {

    public function up() {
        $this->createTable('developpement', [
            'id' => 'pk',
            'objet' => Schema::TYPE_STRING . ' NOT NULL',
            'description' => Schema::TYPE_TEXT,
            'date' => Schema::TYPE_DATETIME . ' NOT NULL',
            'avancement' => Schema::TYPE_INTEGER . ' DEFAULT 0',
            'statut' => Schema::TYPE_STRING . ' DEFAULT \'open\'',
            'type' => Schema::TYPE_STRING . ' DEFAULT \'evolution\'',
            'estimation_temps' => Schema::TYPE_FLOAT,
            'date_livraison' => Schema::TYPE_DATE
        ]);

        $this->createTable('developpement_priorite', [
            'id_etablissement' => Schema::TYPE_INTEGER . ' NOT NULL',
            'id_developpement' => Schema::TYPE_INTEGER . ' NOT NULL',
            'PRIMARY KEY (`id_etablissement`, `id_developpement`)'
        ]);
    }

    public function down() {
        $this->dropTable('developpement') ;
        $this->dropTable('developpement_priorite') ;
    }
}