分组排序查第一第二的差值
select product_id,ABS(firstvalue-secondvalue)/secondvalue tmp from ( SELECT product_id, max(case fund_subject when 'first' then fund_net_value end) 'firstvalue', max(case fund_subject when 'second' then fund_net_value end) 'secondvalue' FROM ( SELECT * FROM ( SELECT net1.product_id , 'first' as fund_subject , net1.fund_net_value_date as net_value_date ,net1.fund_net_value FROM pef_fund_net_value net1 where net1.fund_net_value_date = ( SELECT max(fund_net_value_date)_date from pef_fund_net_value WHERE product_id = net1.product_id ) ) am union SELECT * FROM ( SELECT a.product_id, 'second' as fund_subject , MAX(fund_net_value_date) as net_value_date , fund_net_value FROM ( SELECT net.* FROM pef_fund_net_value net LEFT JOIN ( SELECT product_id , max(fund_net_value_date) as maxdate FROM pef_fund_net_value GROUP BY product_id )net2 ON net.fund_net_value_date = net2.maxdate and net2.product_id = net.product_id where net2.maxdate is null ) a GROUP BY a.product_id ) pm ORDER by product_id ,net_value_date desc ) al group by product_id ) a4 where ABS(a4.firstvalue-a4.secondvalue)/a4.secondvalue > 0.05 -- 000001 first second net_value_date