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