Mysql存儲進程輪回內嵌套應用游標示例代碼。本站提示廣大學習愛好者：（Mysql存儲進程輪回內嵌套應用游標示例代碼）文章只能為提供參考，不一定能成為您想要的結果。以下是Mysql存儲進程輪回內嵌套應用游標示例代碼正文
BEGIN
-- 聲明變量
DECLARE v_addtime_begin varchar(13);
DECLARE v_addtime_end varchar(13);
DECLARE v_borrow_id int;
DECLARE v_count int;
DECLARE s1 int;
/** 聲明游標，並將查詢成果存到游標中 **/
DECLARE c_borrow CURSOR FOR
SELECT ID from rocky_borrow WHERE BORROWTYPE = 2 AND PUBLISH_TIME >= UNIX_TIMESTAMP('2014-05-27') AND PUBLISH_TIME <= UNIX_TIMESTAMP('2014-07-30') ORDER by ID ASC;
/** 獲得查詢數目 **/
SELECT count(ID) INTO v_count from rocky_borrow WHERE BORROWTYPE = 2 AND PUBLISH_TIME >= UNIX_TIMESTAMP('2014-05-27') AND PUBLISH_TIME <= UNIX_TIMESTAMP('2014-07-30') ORDER by ID ASC;
SET s1 = 1;
-- 開端事務
START TRANSACTION;
-- 翻開游標
OPEN c_borrow;
-- 輪回游標
WHILE s1 < v_count+1 DO
-- 遍歷游標
FETCH c_borrow INTO v_borrow_id;
SELECT t1.addtime INTO v_addtime_begin FROM (SELECT * FROM rocky_b_tenderrecord bt WHERE BORROW_ID = v_borrow_id AND tender_type = 1 ORDER BY ID ASC) t1 GROUP BY t1.borrow_id;
SELECT t1.addtime INTO v_addtime_end FROM (SELECT * FROM rocky_b_tenderrecord bt WHERE BORROW_ID = v_borrow_id AND tender_type = 1 ORDER BY ID DESC) t1 GROUP BY t1.borrow_id;
IF (v_addtime_begin IS NOT NULL) && (v_addtime_end IS NOT NULL) THEN
-- 嵌套應用游標
BEGIN
DECLARE v_id int;
DECLARE v_user_id int;
DECLARE v_type varchar(20);
DECLARE v_total decimal(20,8) DEFAULT 0;
DECLARE v_money decimal(20,8) DEFAULT 0;
DECLARE v_use_money decimal(20,8) DEFAULT 0;
DECLARE v_no_use_money decimal(20,8) DEFAULT 0;
DECLARE v_collection decimal(20,8) DEFAULT 0;
DECLARE v_to_user int(11);
DECLARE v_remark VARCHAR(1000);
DECLARE v_addtime varchar(13);
DECLARE v_addip varchar(64);
DECLARE v_first_borrow_use_money decimal(20,8) DEFAULT 0;
DECLARE done VARCHAR(45) DEFAULT '';
DECLARE t_error int DEFAULT 0;
DECLARE c_accountlog CURSOR FOR
SELECT ID,USER_ID,TYPE,TOTAL,MONEY,USE_MONEY,NO_USE_MONEY,COLLECTION,TO_USER,REMARK,ADDTIME,ADDIP,FIRST_BORROW_USE_MONEY FROM (
SELECT ID,USER_ID,TYPE,TOTAL,MONEY,USE_MONEY,NO_USE_MONEY,COLLECTION,TO_USER,REMARK,ADDTIME,ADDIP,FIRST_BORROW_USE_MONEY FROM rocky_accountlog
WHERE ADDTIME >= v_addtime_begin AND ADDTIME <= v_addtime_end AND (type = 'tender_cold' or type= 'repayment_deduct')
) t GROUP BY t.user_id HAVING count(t.user_id) > 1;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = NULL;
OPEN c_accountlog;
FETCH c_accountlog INTO v_id,v_user_id,v_type,v_total,v_money,v_use_money,v_no_use_money,v_collection,v_to_user,v_remark,v_addtime,v_addip,v_first_borrow_use_money;
WHILE (done IS NOT NULL) DO
INSERT INTO rocky_accountlog_test2 (ACCOUNTLOG_ID,USER_ID,TYPE,TOTAL,MONEY,USE_MONEY,NO_USE_MONEY,COLLECTION,TO_USER,REMARK,ADDTIME,ADDIP,FIRST_BORROW_USE_MONEY,BORROW_ID)
VALUES (v_id,v_user_id,v_type,v_total,v_money,v_use_money,v_no_use_money,v_collection,v_to_user,v_remark,v_addtime,v_addip,v_first_borrow_use_money,v_borrow_id);
FETCH c_accountlog INTO v_id,v_user_id,v_type,v_total,v_money,v_use_money,v_no_use_money,v_collection,v_to_user,v_remark,v_addtime,v_addip,v_first_borrow_use_money;
END WHILE;
CLOSE c_accountlog;
END;
END IF;
SET s1 = s1 + 1;
END WHILE;
CLOSE c_borrow;
COMMIT; -- 事務提交
END
