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  • 存储过程、游标

    --mysql

    drop procedure if exists `bb`;
    create procedure `bb`()
    begin
    declare v_saleorder_orgid varchar(100);
    declare v_saleorder_braid varchar(100);
    declare v_value varchar(100);
    declare _done TINYINT(1) default 0;
    declare _all TINYINT(1) default 0;
    declare _count TINYINT(1) default 0;
    declare _index TINYINT(1) default 0;
    declare cur_brand cursor for select organizeid,brandid from `table1` order by statistics_date,saledayid;
    declare continue handler for SQLSTATE '02000' set _done = 1;
    select count(1) into _all from table1;
    open cur_brand;
    loop_xxx:loop
    fetch cur_brand into v_saleorder_orgid,v_saleorder_braid;
    set _index=_index+1;
    if(_index>_all) THEN
    leave loop_xxx;
    end if;
    select count(1) into _count from table2 where ORGANIZEID=v_saleorder_orgid and BRANDID=v_saleorder_braid LIMIT 0,1;
    if(_count>0) THEN
    select BRANDNAME INTO v_value from table2 where ORGANIZEID=v_saleorder_orgid and BRANDID=v_saleorder_braid LIMIT 0,1;
    update table1 set BRANDNAME=v_value where ORGANIZEID=v_saleorder_orgid and BRANDID=v_saleorder_braid;
    end if;
    set v_value=0;
    end loop;
    end;

    call `bb`();

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  • 原文地址:https://www.cnblogs.com/eboss/p/4897694.html
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