在ck中执行如下sql:
select l.*, r.* from
( select 'a' as a ) l
left join
( select '1' as a, 1 as b ) r
on l
在ck中执行如下sql:
select l.*, r.* from
( select 'a' as a ) l
left join
( select '1' as a, 1 as b ) r
on l
1443
3766
3390
9136
888

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