test
表select * from test where find_in_set('1,',tag_ids);
where or
查询带有1和5的数据select * from test where find_in_set('1',tag_ids) or find_in_set('5',tag_ids);
CONCAT
和REGEXP
配合实现了# 查询带有1和5的数据 select * from test where concat(",",`tag_ids`,",") regexp ",(1|5),";