摘要: 列转行 SELECT flag ,substring_index(substring_index(t.context,',', b.help_topic_id + 1), ',', -1) as result FROM ( select 'aa' as flag,'1,2,3,4,5,6,7' as 阅读全文
posted @ 2019-12-17 15:21 chenzechao 阅读(1601) 评论(0) 推荐(0)