@@ -79,8 +79,15 @@ select number, quantileExact(number) over (partition by intDiv(number, 3)) q fro
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@@ -79,8 +79,15 @@ select number, quantileExact(number) over (partition by intDiv(number, 3)) q fro
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select q * 10, quantileExact(number) over (partition by intDiv(number, 3)) q from numbers(10); -- { serverError 47 }
select q * 10, quantileExact(number) over (partition by intDiv(number, 3)) q from numbers(10); -- { serverError 47 }
-- must work in WHERE if you wrap it in a subquery
select * from (select count(*) over () c from numbers(3)) where c > 0;
-- should work in ORDER BY
-- should work in ORDER BY
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select number, max(number) over (partition by intDiv(number, 3) order by number desc) m from numbers(10) order by m desc, number;
select number, max(number) over (partition by intDiv(number, 3) order by number desc) m from numbers(10) order by m desc, number;
-- also works in ORDER BY if you wrap it in a subquery
-- also works in ORDER BY if you wrap it in a subquery
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@@ -97,24 +104,35 @@ select number, max(number) over (partition by intDiv(number, 3) order by number
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@@ -97,24 +104,35 @@ select number, max(number) over (partition by intDiv(number, 3) order by number
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select * from (select count(*) over () c from numbers(3)) order by c;
select * from (select count(*) over () c from numbers(3)) order by c;
-- must work in WHERE if you wrap it in a subquery
-- Example with window function only in ORDER BY. Here we make a rank of all
-- numbers sorted descending, and then sort by this rank descending, and must get
-- the ascending order.
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select * from (select count(*) over () c from numbers(3)) where c > 0;
select * from (select * from numbers(5) order by rand()) order by count() over (order by number desc) desc;
-- this one doesn't work yet -- looks like the column names clash, and the
-- Aggregate functions as window function arguments. This query is semantically
-- window count() is overwritten with aggregate count()
-- the same as the above one, only we replace `number` with
-- select number, count(), count() over (partition by intDiv(number, 3)) from numbers(10) group by number order by count() desc;
-- `any(number) group by number` and so on.
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select * from (select * from numbers(5) order by rand()) group by number order by sum(any(number)) over (order by min(number) desc) desc;
-- different windows
-- different windows
-- an explain test would also be helpful, but it's too immature now and I don't
-- an explain test would also be helpful, but it's too immature now and I don't
-- want to change reference all the time
-- want to change reference all the time
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select number, max(number) over (partition by intDiv(number, 3) order by number desc), count(number) over (partition by intDiv(number, 5) order by number) as m from numbers(31) order by number settings max_block_size = 2;
select number, max(number) over (partition by intDiv(number, 3) order by number desc), count(number) over (partition by intDiv(number, 5) order by number) as m from numbers(31) order by number settings max_block_size = 2;
