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# name: test/sql/window/test_window_clause.test
# description: Test window clauses and overrides
# group: [window]
statement ok
PRAGMA enable_verification
statement ok
create table integers as select range i from range(0,16);
# if a window clause is not being read, these would return 16
query IIII
select max(base), max(referenced), sum(refined), sum(unrefined) from (
select
row_number() over w AS base,
row_number() over (w) as referenced,
sum(i % 4) over (w rows between 1 preceding and 1 following) AS refined,
sum(i % 4) over (rows between 1 preceding and 1 following) AS unrefined
from integers
WINDOW w AS (partition by i // 4 order by i % 4)
) q;
----
4 4 60 69
#
# Clause overrides
#
query IIII
select
x, y,
count(*) over (partition by y order by x),
count(*) over (w order by x)
from (values (1, 1), (2, 1), (3, 2), (4, 2)) as t (x, y)
window w as (partition by y)
order by x
----
1 1 1 1
2 1 2 2
3 2 1 1
4 2 2 2
statement error
select
x, y,
count(*) over (partition by y order by x),
count(*) over (w order by x)
from (values (1, 1), (2, 1), (3, 2), (4, 2)) as t (x, y)
window w as (partition by y order by x desc)
order by x
----
Cannot override ORDER BY clause of window "w"
statement error
select
x, y,
count(*) over (partition by y order by x),
count(*) over (w partition by y)
from (values (1, 1), (2, 1), (3, 2), (4, 2)) as t (x, y)
window w as (partition by x)
order by x
----
Cannot override PARTITION BY clause of window "w"
statement error
select i, sum(i) over (w) as smoothed
from integers
window w AS (order by i rows between 1 preceding and 1 following)
order by i;
----
frame clause
# Case insensitivity
statement error
SELECT sum(1) over cumulativeSum
FROM integers
WINDOW cumulativeSum AS (),
cumulativesum AS (order by i rows between 1 preceding and 1 following);
----
already defined
statement ok
SELECT sum(i) over cumulativeSum
FROM integers
WINDOW cumulativeSum AS ();
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