MySQL数据库中字段含逗号的数据,分隔成多条数据
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2022-04-08 08:45:53
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sql语句:
select a.id,substring_index(substring_index(a.name,',',b.help_topic_id+1),',',-1) name
from test a join
mysql.help_topic b
on b.help_topic_id < (length(a.name) - length(replace(a.name,',',''))+1)
order by a.id;
结果: