nemmo\attachments\migrations\m150127_040544_add_attachments::up PHP Method

    public function up()
    {
        $tableOptions = null;
        if ($this->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';
        }
        $this->createTable($this->getModule()->tableName, ['id' => Schema::TYPE_PK, 'name' => Schema::TYPE_STRING . ' not null', 'model' => Schema::TYPE_STRING . ' not null', 'itemId' => Schema::TYPE_INTEGER . ' not null', 'hash' => Schema::TYPE_STRING . ' not null', 'size' => Schema::TYPE_INTEGER . ' not null', 'type' => Schema::TYPE_STRING . ' not null', 'mime' => Schema::TYPE_STRING . ' not null'], $tableOptions);
        $this->createIndex('file_model', $this->getModule()->tableName, 'model');
        $this->createIndex('file_item_id', $this->getModule()->tableName, 'itemId');
    }