mysql 遍历所有表并条件查询

Posted 2021-03-21 那些年的代码

use eepm_push;

DROP PROCEDURE IF EXISTS FountTable;

delimiter $$

create procedure FountTable()

begin

    declare TableName varchar(64);   

     

    DECLARE cur_FountTable CURSOR FOR SELECT TABLE_NAME FROM information_schema.TABLES WHERE TABLE_NAME LIKE ‘msgfor%‘;

    DECLARE EXIT HANDLER FOR not found CLOSE cur_FountTable;

    #打开游标

    OPEN cur_FountTable;

    REPEAT

     FETCH cur_FountTable INTO TableName;

     SET @SQLSTR1 = CONCAT(‘select * from ‘,TableName,‘ where appId = ‘,‘‘‘‘,‘cc055a4d-53b9-4cfc-9f1a-d8bad41b7502‘,‘‘‘‘,‘ and createTime > ‘,‘‘‘‘,‘2017-02-23 00:00:00‘,‘‘‘‘);

     PREPARE STMT1 FROM @SQLSTR1;

     EXECUTE STMT1;

      

     DEALLOCATE PREPARE STMT1;    

       

     UNTIL 0 END REPEAT;

  #关闭游标

  CLOSE cur_FountTable;

  

END $$

DELIMITER ;

  

call FountTable();