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# name: test/sql/window/test_scalar_window.test
# description: Most scalar window functions
# group: [window]
statement ok
PRAGMA enable_verification
# test scalar window functions
query I
SELECT row_number() OVER ()
----
1
query R
SELECT avg(42) OVER ()
----
42.000000
# window on non-aggregate function
statement error
SELECT concat() OVER ()
----
<REGEX>:.*Catalog Error.*concat is not an aggregate function.*
statement error
SELECT nonexistingfunction() OVER ()
----
<REGEX>:.*Catalog Error.*nonexistingfunction does not exist.*
# nested window functions are not allowed
statement error
SELECT avg(row_number() over ()) over ()
----
<REGEX>:.*Binder Error.*window function calls cannot be nested.*
statement error
SELECT avg(42) over (partition by row_number() over ())
----
<REGEX>:.*Parser Error.*window functions are not allowed.*
statement error
SELECT avg(42) over (order by row_number() over ())
----
<REGEX>:.*Parser Error.*window functions are not allowed.*
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