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                        DELIMITER $$
DROP PROCEDURE IF EXISTS get_breadcrumbs$$
CREATE PROCEDURE get_breadcrumbs(IN current_id BIGINT(20), show_home TINYINT(1))
    READS SQL DATA
    BEGIN
        DECLARE buff_id BIGINT(20);
        DECLARE buff_parent_id BIGINT(20);
        DECLARE done_search TINYINT(1);
        DECLARE current_depth BIGINT(20);
        SET done_search = 0;
        SET current_depth = 0;
        SET buff_id = NULL;
        CREATE TEMPORARY TABLE breadcrumbs (id BIGINT(20), depth BIGINT(20)) ENGINE = MEMORY;
        findloop : WHILE done_search = 0 DO
            SELECT id, parent_id INTO buff_id, buff_parent_id FROM documents WHERE id = current_id;
            IF buff_id IS NULL THEN
                IF show_home != 0 THEN
                    SELECT id, parent_id INTO buff_id, buff_parent_id FROM documents WHERE alias = '/';
                    IF buff_id IS NOT NULL THEN
                        INSERT INTO breadcrumbs (id, depth) VALUES(buff_id, current_depth);
                    END IF;
                END IF;
                LEAVE findloop;
            END IF;
            INSERT INTO breadcrumbs (id, depth) VALUES(buff_id, current_depth);
            SET current_id = buff_parent_id;
            SET current_depth = current_depth + 1;
            SET buff_id = NULL;
        END WHILE findloop;
        SELECT
            d.id,
            d.parent_id,
            d.name,
            d.alias,
            b.depth
        FROM breadcrumbs b
        INNER JOIN documents d ON d.id = b.id
        ORDER BY b.depth DESC;
    END$$
DELIMITER ;
                                 
        
            Хлебные крошки по id, parent_id.. Психанул...
        
        
А такое же, но через WITH не сделать?
Посему вот такая говнокожа..
> Неуж то решение не полохо?
А что там в мускуле есть альтернативного?