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$a = [
AsStruct(
'a' as x,
1 as y
),
AsStruct(
'a' as x,
1 as y
),
AsStruct(
'a' as x,
2 as y
),
AsStruct(
'a' as x,
3 as y
),
AsStruct(
'b' as x,
1 as y
),
AsStruct(
'b' as x,
2 as y
),
AsStruct(
'b' as x,
3 as y
),
AsStruct(
'c' as x,
1 as y
),
];
$a = select x as bar, y as foo from AS_TABLE($a);
$b =
SELECT
a.bar as bar, count(*) as cnt
from $a as a
inner join (
select bar, min(foo) as foo
from $a
group by bar
) as b using (foo, bar)
group by a.bar;
select * from $a as a left join $b as b using (bar);
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