你好,3.1.2是否也存在这样的问题呢?我遇到的问题是这两个统计结果不一致
select count(1)
from table1 a
join(
select * from table2 c
join table3 d
on c.f1 = d.f2
)e
on a.ff = e.ff
create temporary table tmp_table as
select * from table2 c
join table3 d
on c.f1 = d.f2
select count(1)
from table1 a
join tmp_table e
on a.ff = e.ff
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