Question

我正在写一个程序 -

DELIMITER $$

USE `genome`$$

DROP PROCEDURE IF EXISTS `get_family`$$

CREATE DEFINER=`root`@`localhost` PROCEDURE `get_family`(p_h INT(10))
BEGIN
    DECLARE rv,q,queue,queue_children VARCHAR(1024);
    DECLARE queue_length,front_id,pos INT;

        SET rv = '';
    SET queue = p_h;
    SET queue_length = 1;

    WHILE queue_length > 0 DO
        SET front_id = FORMAT(queue,0);

        IF queue_length = 1 THEN
            SET queue = '';
        ELSE
            SET pos = LOCATE(',',queue) + 1;
            SET q = SUBSTR(queue,pos);
            SET queue = q;
        END IF;
        SET queue_length = queue_length - 1;

        SELECT IFNULL(qc,'') INTO queue_children
        FROM (SELECT GROUP_CONCAT(id) qc
        FROM folder WHERE parent = front_id) A;

        IF LENGTH(queue_children) = 0 THEN
            IF LENGTH(queue) = 0 THEN
                SET queue_length = 0;
            END IF;
        ELSE
            IF LENGTH(rv) = 0 THEN
                SET rv = queue_children;
            ELSE
                SET rv = CONCAT(rv,',',queue_children);
            END IF;
            IF LENGTH(queue) = 0 THEN
                SET queue = queue_children;
            ELSE
                SET queue = CONCAT(queue,',',queue_children);
            END IF;
            SET queue_length = LENGTH(queue) - LENGTH(REPLACE(queue,',','')) + 1;
        END IF;
    END WHILE;

   SELECT rv FROM DUAL;

END$$

DELIMITER ;

它成功了，但是当我调用proc时，它给了我错误 -

call get_family(117);
Error Code: 1292
Truncated incorrect DOUBLE value: '118,119,120,124'

但是当我在程序中传递相同的116时，它的工作正常。我在哪里做错了。请告诉我。

Answer 1

好的，我得到了解决方案。

我只是将varchar（输出很长，我认为）类型更改为顶部的文本，现在它正常工作。

获取错误代码：1292在存储过程中截断了错误的DOUBLE值？

1 个答案: