Array
(
    [post_type] => event
    [posts_per_page] => -1
    [fields] => ids
    [suppress_filters] => 
    [meta_query] => Array
        (
            [date] => Array
                (
                    [relation] => AND
                    [0] => Array
                        (
                            [key] => date_end
                            [value] => 20190519
                            [compare] => >=
                            [type] => NUMERIC
                        )

                )

        )

    [orderby] => Array
        (
            [date_start] => ASC
            [date_end] => ASC
        )

)