存储过程

1. 存储过程实例

-- ----------------------------

-- Procedure structure for SP_T7050

-- ----------------------------

DROP PROCEDURE IF EXISTS `S70`.`SP_T7050`;

DELIMITER ;;

CREATE DEFINER=`root`@`%` PROCEDURE `S70`.`SP_T7050`(IN _date DATE)

COMMENT '用户投资排行 -按周'

BEGIN

-- 用户投资排行 -按周

-- 账号ID

DECLARE _F01 INT UNSIGNED DEFAULT 0;

-- 账号名称

DECLARE _F02 VARCHAR(20);

-- 投资总额

DECLARE _F03 DECIMAL(20, 2) DEFAULT 0.00;

DECLARE _current_date DATE;

DECLARE _start_date DATE;

DECLARE _end_date DATE;

DECLARE _week VARCHAR(10);

-- 列表游标定义

DECLARE _done INT UNSIGNED DEFAULT 0;

SET _current_date = IFNULL(_date, CURRENT_DATE());

SET _start_date = DATE_SUB(_current_date, INTERVAL 1 WEEK);

SET _end_date = _current_date;

SET _week = CONCAT(YEAR(_start_date), WEEKOFYEAR(_start_date));

BEGIN

DECLARE _total_list CURSOR FOR SELECT T6110.F01 AS ACCOUNT_ID, T6110.F02 AS ACCOUNT_NAME, SUM(T6250.F04)+SUM(T6262.F04) AS TOTAL_AMOUNT FROM S61.T6110 INNER JOIN S62.T6250 ON T6110.F01 = T6250.F03 INNER JOIN S62.T6262 ON T6110.F01 = T6262.F03

WHERE T6250.F07 = 'F' AND T6250.F04 > 0 AND DATE(T6250.F06) >= _start_date AND DATE(T6250.F06) <= _end_date

AND T6262.F04 > 0 AND DATE(T6262.F07) >= _start_date AND DATE(T6262.F07) <= _end_date

GROUP BY T6110.F01 ORDER BY TOTAL_AMOUNT DESC LIMIT 5;

DECLARE CONTINUE HANDLER FOR NOT FOUND SET _done = 1;

OPEN _total_list;

REPEAT

FETCH _total_list INTO _F01, _F02, _F03;

IF NOT _done THEN

-- 插入统计数据

IF _F03 > 0 THEN -- 条件执行

INSERT INTO S70.T7050 SET F01 = _F01, F02 = _F02, F03 = _F03, F04 = _week

ON DUPLICATE KEY UPDATE F03 = VALUES(F03);

END IF;

END IF;

UNTIL _done END REPEAT;

CLOSE _total_list;

END;

END

;;

DELIMITER ;

2. 存储过程时间设置





3. 日期的使用