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show status like '%window%';
create table t1 (a int, b int);
insert into t1 values (1, 10), (2, 20), (3, 30);
select a, b, rank() over (order by a) from t1;
show status like '%window%';
select a, b, rank() over (order by a), sum(a) over (order by a) from t1;
show status like '%window%';
--sorted_result
select t_a.r1, t_b.r2
from (select a, b, rank() over (order by a) as r1 from t1) t_a,
(select a, b, row_number() over (order by a) as r2 from t1) t_b;
show status like '%window%';
drop table t1;
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