Mysql 此存储过程没有插入记录有什么问题
存储过程:Mysql 此存储过程没有插入记录有什么问题,mysql,database,stored-procedures,Mysql,Database,Stored Procedures,存储过程: DELIMITER $$ USE `test`$$ DROP PROCEDURE IF EXISTS `UpdateRelatedAccounts`$$ CREATE DEFINER=`root`@`localhost` PROCEDURE `UpdateRelatedAccounts`() BEGIN DECLARE ssn_sel_id VARCHAR(255) DEFAULT 0; DECLARE primary_sel_id CHAR(36) DEFA
DELIMITER $$
USE `test`$$
DROP PROCEDURE IF EXISTS `UpdateRelatedAccounts`$$
CREATE DEFINER=`root`@`localhost` PROCEDURE `UpdateRelatedAccounts`()
BEGIN
DECLARE ssn_sel_id VARCHAR(255) DEFAULT 0;
DECLARE primary_sel_id CHAR(36) DEFAULT 0;
DECLARE secondary_sel_rel CHAR(36) DEFAULT 0;
DECLARE no_more_rows BOOLEAN;
DECLARE num_rows INT DEFAULT 0;
DECLARE ssn_all_cur CURSOR FOR
SELECT ac.ssn, ac.id AS primary_id, ac_b.id AS secondary_id FROM ssn ac LEFT JOIN ssn ac_b ON ac.ssn = ac_b.ssn WHERE ac.ssn NOT IN ('','000-00-0000') AND ac.id != ac_b.id;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET no_more_rows = TRUE;
OPEN ssn_all_cur;
SELECT FOUND_ROWS() INTO num_rows;
the_loop: LOOP
FETCH ssn_all_cur
INTO ssn_sel_id, primary_sel_id, secondary_sel_rel;
IF no_more_rows THEN
CLOSE ssn_all_cur;
LEAVE the_loop;
END IF;
INSERT INTO `ssn_related` ( `ssn_primary`, `ssn_related` ) VALUES ( '44','44'); -- ( primary_sel_id, secondary_sel_rel );
END LOOP the_loop;
END$$
DELIMITER ;
SSN表的结构为:
CREATE TABLE `ssn` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`ssn` varchar(11) DEFAULT NULL,
`name` varchar(25) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=latin1;
可能您的
SELECT
语句没有返回任何行?它正在返回记录,我已分别运行了它。您希望insert语句在什么时候执行?它在“_循环”中,但在光标行的末尾,逻辑是退出“_循环”,这样插入就不会执行。在循环中,如果有返回的行,它应该插入值,否则它将跳出循环是否设置set autocommit=0代码>初始化中的某个地方?