source/php/Helper/QueryEvents.php
public static function getEventMeta($post_id)
    {
        global $wpdb;

        $query = "
        SELECT      *
        FROM        $wpdb->postmeta
        WHERE       $wpdb->postmeta.post_id = %s
        ";

        $completeQuery = $wpdb->prepare($query, $post_id);
        $event_meta = $wpdb->get_results($completeQuery);

        return $event_meta;
    }
public static function getEventMeta($post_id)
    {
        global $wpdb;

        $query = "
        SELECT      *
        FROM        $wpdb->postmeta
        WHERE       $wpdb->postmeta.post_id = %s
        ";

        $completeQuery = $wpdb->prepare($query, $post_id);
        $event_meta = $wpdb->get_results($completeQuery);

        return $event_meta;
    }
Get event meta data
@param  int $post_id post id
@return array        array with occasions