db->driverName === 'mysql') { // http://stackoverflow.com/questions/766809/whats-the-difference-between-utf8-general-ci-and-utf8-unicode-ci $tableOptions = 'CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE=InnoDB'; } $this->createTable('{{%inventory_group}}', [ 'id_inventory_group' => $this->primaryKey(), 'name' => $this->string(), 'id_product_category' => $this->integer(11), 'status' => $this->integer(11), 'created_at' => $this->dateTime()->notNull(), 'updated_at' => $this->dateTime()->notNull(), ], $tableOptions); $this->addColumn("product", "id_inventory_group", "int default null"); } public function down() { echo "m160229_064305_inventory_group cannot be reverted.\n"; return false; } /* // Use safeUp/safeDown to run migration code within a transaction public function safeUp() { } public function safeDown() { } */ }