大体思路：MySQL没有类似oracle方便的统计函数，只能靠自己去硬计算：通过时间字段直接增加年份、月份，然后通过left join关联时间字段去计算环比、同比公式即可
原始表结构：
求同比SQL：
-
-
- SELECT t5.*, CASE WHEN t5.last_energy_year IS NULL OR t5.last_energy_year =0 THEN 0.00
- ELSE FORMAT(((t5.energy_year - t5.last_energy_year)/t5.last_energy_year)*100,2)
- END YoY
- FROM (
- SELECT t3.*,t4.last_energy_year
- FROM
- (
- SELECT DATE_FORMAT(CONCAT(t1.`tyear`, ‘-‘, t1.`tmonth`,‘-01‘),‘%Y-%m-%d‘) AS YearMonth,t1.tyear,SUM(t1.energy_month) energy_year,t1.linename
- FROM(SELECT
- t.*,COUNT(DISTINCT t.`tyear`,t.`tmonth`,t.`linename`) c_cot
- FROM `ksh_tgyjy_llxgyjydlxx` t
- GROUP BY t.`linename`,t.`tyear`,t.`tmonth`,t.`linename`) t1
- GROUP BY t1.tyear,t1.`linename`
- ) t3
- LEFT JOIN
- (
- SELECT DATE_ADD(DATE_FORMAT(CONCAT(t1.`tyear`, ‘-‘, t1.`tmonth`,‘-01‘),‘%Y-%m-%d‘),INTERVAL 1 YEAR) AS lastYearMonth,t1.tyear,SUM(t1.energy_month) last_energy_year,t1.linename
- FROM(SELECT t.*,COUNT(DISTINCT t.`tyear`,t.`tmonth`,t.`linename`) c_cot
- FROM `ksh_tgyjy_llxgyjydlxx` t
- GROUP BY t.`linename`,t.`tyear`,t.`tmonth`,t.`linename`) t1
- GROUP BY t1.tyear,t1.`linename`
- ) t4
- ON t3.YearMonth = t4.lastYearMonth
- AND t3.linename = t4.linename
- ) t5
-- 按年同比SELECT t5.*, CASE WHEN t5.last_energy_year IS NULL OR t5.last_energy_year =0 THEN 0.00 ELSE FORMAT(((t5.energy_year - t5.last_energy_year)/t5.last_energy_year)*100,2) END YoY -- 同比FROM ( SELECT t3.*,t4.last_energy_year FROM ( SELECT DATE_FORMAT(CONCAT(t1.`tyear`, ‘-‘, t1.`tmonth`,‘-01‘),‘%Y-%m-%d‘) AS YearMonth,t1.tyear,SUM(t1.energy_month) energy_year,t1.linename FROM(SELECT t.*,COUNT(DISTINCT t.`tyear`,t.`tmonth`,t.`linename`) c_cot FROM `ksh_tgyjy_llxgyjydlxx` t GROUP BY t.`linename`,t.`tyear`,t.`tmonth`,t.`linename`) t1 GROUP BY t1.tyear,t1.`linename` ) t3 LEFT JOIN ( SELECT DATE_ADD(DATE_FORMAT(CONCAT(t1.`tyear`, ‘-‘, t1.`tmonth`,‘-01‘),‘%Y-%m-%d‘),INTERVAL 1 YEAR) AS lastYearMonth,t1.tyear,SUM(t1.energy_month) last_energy_year,t1.linename FROM(SELECT t.*,COUNT(DISTINCT t.`tyear`,t.`tmonth`,t.`linename`) c_cot FROM `ksh_tgyjy_llxgyjydlxx` t GROUP BY t.`linename`,t.`tyear`,t.`tmonth`,t.`linename`) t1 GROUP BY t1.tyear,t1.`linename` ) t4 ON t3.YearMonth = t4.lastYearMonth AND t3.linename = t4.linename ) t5
查询结果：
求月环比SQL：
-
-
- SELECT DATE_FORMAT(t5.YearMonth,‘%Y-%m‘) YearMonth,t5.`linename`,t5.`energy_month`,
- CASE WHEN t5.lat_energy_month IS NULL OR t5.lat_energy_month=0 THEN 0.00
- ELSE FORMAT(((t5.energy_month - t5.lat_energy_month)/t5.lat_energy_month)*100,2)
- END YoY
- FROM (
- SELECT t3.*,t4.energy_month lat_energy_month
- FROM
- (
- SELECT DATE_FORMAT(CONCAT(t1.`tyear`, ‘-‘, t1.`tmonth`,‘-01‘),‘%Y-%m-%d‘) AS YearMonth,t1.*
- FROM(SELECT
- t.*,COUNT(DISTINCT t.`tyear`,t.`tmonth`,t.`linename`) c_cot
- FROM `ksh_tgyjy_llxgyjydlxx` t
- GROUP BY t.`linename`,t.`tyear`,t.`tmonth`,t.`linename`) t1
- ) t3
- LEFT JOIN
- (
- SELECT DATE_ADD(DATE_FORMAT(CONCAT(t1.`tyear`, ‘-‘, t1.`tmonth`,‘-01‘),‘%Y-%m-%d‘),INTERVAL 1 YEAR) AS lastYearMonth,t1.*
- FROM(SELECT t.*,COUNT(DISTINCT t.`tyear`,t.`tmonth`,t.`linename`) c_cot
- FROM `ksh_tgyjy_llxgyjydlxx` t
- GROUP BY t.`linename`,t.`tyear`,t.`tmonth`,t.`linename`) t1
- ) t4
- ON t3.YearMonth = t4.lastYearMonth
- AND t3.linename = t4.linename
- ) t5
-- 按月同比SELECT DATE_FORMAT(t5.YearMonth,‘%Y-%m‘) YearMonth,t5.`linename`,t5.`energy_month`, CASE WHEN t5.lat_energy_month IS NULL OR t5.lat_energy_month=0 THEN 0.00 ELSE FORMAT(((t5.energy_month - t5.lat_energy_month)/t5.lat_energy_month)*100,2) END YoYFROM ( SELECT t3.*,t4.energy_month lat_energy_month FROM ( SELECT DATE_FORMAT(CONCAT(t1.`tyear`, ‘-‘, t1.`tmonth`,‘-01‘),‘%Y-%m-%d‘) AS YearMonth,t1.* FROM(SELECT t.*,COUNT(DISTINCT t.`tyear`,t.`tmonth`,t.`linename`) c_cot FROM `ksh_tgyjy_llxgyjydlxx` t GROUP BY t.`linename`,t.`tyear`,t.`tmonth`,t.`linename`) t1 ) t3 LEFT JOIN ( SELECT DATE_ADD(DATE_FORMAT(CONCAT(t1.`tyear`, ‘-‘, t1.`tmonth`,‘-01‘),‘%Y-%m-%d‘),INTERVAL 1 YEAR) AS lastYearMonth,t1.* FROM(SELECT t.*,COUNT(DISTINCT t.`tyear`,t.`tmonth`,t.`linename`) c_cot FROM `ksh_tgyjy_llxgyjydlxx` t GROUP BY t.`linename`,t.`tyear`,t.`tmonth`,t.`linename`) t1 ) t4 ON t3.YearMonth = t4.lastYearMonth AND t3.linename = t4.linename) t5
查询结果：
