对用逗号分隔的字段进行统计

SELECT count(1) as count,aa.PUB_ORG_ID 
FROM(SELECT SUBSTRING_INDEX( SUBSTRING_INDEX( a.PUB_ORG_ID, ',', help_topic_id + 1 ), ',',- 1 ) AS PUB_ORG_ID  FROM mysql.help_topic m,pm_achievements a  WHERE help_topic_id < LENGTH( a.PUB_ORG_ID ) - LENGTH( REPLACE ( a.PUB_ORG_ID, '', '' ) ) + 1 
	) AS aa 
WHERE
	aa.PUB_ORG_ID IS NOT NULL 
GROUP BY
	aa.PUB_ORG_ID 
ORDER BY
	aa.PUB_ORG_ID;

标签：aa,对用,分隔,help,PUB,逗号,topic,ORG,ID
来源： https://blog.csdn.net/weixin_41066675/article/details/123635729