laravel-doctrine / fluent

     *

     * @return Index

     */

    public function index($columns)

    {

        $columns = is_array($columns) ? $columns : func_get_args();

        $index = new Index(

            $this->builder,

            $columns

        );

        $this->queue($index);

        return $index;

    }

    /**

     * @param array|string $fields

     *

     * @return Primary

     */

    public function primary($fields)

    {

        $fields = is_array($fields) ? $fields : func_get_args();

        $primary = new Primary(

            $this->builder,

            $fields

        );

        $this->queue($primary);

        return $primary;

    }

    /**

     * @param array|string $columns

     *

     * @return UniqueConstraint

     */

    public function unique($columns)

    {

        $columns = is_array($columns) ? $columns : func_get_args();

        $unique = new UniqueConstraint(

            $this->builder,

            $columns

        );

        $this->queue($unique);

        return $unique;

    }

    /**

     * @param string        $embeddable