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# name: test/sql/function/list/array_length.test
# description: Test array_length function
# group: [list]
query I
SELECT length([1,2,3])
----
3
query I
SELECT length([])
----
0
query I
SELECT len(NULL)
----
NULL
query I
SELECT array_length(ARRAY[1, 2, 3], 1)
----
3
statement error
SELECT array_length(ARRAY[1, 2, 3], 2)
----
statement error
SELECT array_length(ARRAY[1, 2, 3], 0)
----
query I
SELECT len([1]) FROM range(3)
----
1
1
1
statement ok
CREATE TABLE lists AS SELECT * FROM (VALUES ([1, 2]), ([NULL]), (NULL), ([]), ([3, 4, 5, 6, 7])) tbl(l)
query I
SELECT len(l) FROM lists
----
2
1
NULL
0
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