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  • Mysql——查询语句备份

        echo "++++++ modify log_uid start ++++++"

        mysql -h$targetIp -uroot codex_log_operation -Bse "show tables;"

        | xargs -I "{}" mysql -h$targetIp -uroot codex_log_operation -e

        "alter table {} modify log_uid varchar(128) NOT NULL;

         alter table {} modify account_id bigint(64);

         select concat(server_id, '_', log_uid) from {} limit 0;

         update {} set  log_uid = concat(server_id, '_', log_uid) where length(0+log_uid)=length(log_uid);"

        echo "++++++ modify log_uid end ++++++"

     

     

     

     

    select "重置id...";

    drop procedure if exists `resetId`;

    delimiter $$

    create procedure  resetId(In targetTabName varchar(200))

    begin

    select targetTabName, @baseId;

     

    set @sqlStr=CONCAT('delete from  ', targetTabName,  ' where roleId not in (select id from role)');

            PREPARE stmt from @sqlStr;

            EXECUTE stmt;

            DEALLOCATE PREPARE stmt;

     

    set @sqlStr=CONCAT('update ', targetTabName, ' set id= id%(1<<42) +', @baseId, ', roleId= roleId%(1<<42) +', @baseId);

    PREPARE stmt from @sqlStr;

    EXECUTE stmt;

    DEALLOCATE PREPARE stmt;

     

    commit;

    end$$

    delimiter ;

     

    SET @baseId=0;

    select id, (id>>47)%(1<<11)%100, (id>>47)%(1<<11), id%(1<<42), @baseId:=(id-id%(1<<42)) from server limit 1;

    select @baseId;

     

    call resetId('activity_cat_usersave');

     

     

     

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  • 原文地址:https://www.cnblogs.com/xingchong/p/13810667.html
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