select cata_name
from table where id = (select min(id) from table)
union
select cata_name
from (select * from table
where id <> (select min(id) from table)
group by pre_cata order by pre_cata desc ) temp
from table where id = (select min(id) from table)
union
select cata_name
from (select * from table
where id <> (select min(id) from table)
group by pre_cata order by pre_cata desc ) temp
解决方案 »
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