# name: test/sql/subquery/lateral/lateral_arrays.test
# description: Test LATERAL joins with arrays
# group: [lateral]

statement ok
PRAGMA enable_verification

statement ok
CREATE TABLE tbl(i INTEGER, arr INT[]);

statement ok
INSERT INTO tbl VALUES (1, ARRAY[1, 3, 7]), (2, ARRAY[8, NULL]), (3, ARRAY[3, NULL, 4]), (NULL, ARRAY[]::INT[]);

query III
SELECT * FROM tbl JOIN LATERAL (SELECT UNNEST(tbl.arr)) t(b) ON (i=b) ORDER BY i;
----
1	[1, 3, 7]	1
3	[3, NULL, 4]	3

query III
SELECT * FROM tbl JOIN LATERAL (SELECT UNNEST(tbl.arr)) t(b) ON (i<>b) ORDER BY i, b;
----
1	[1, 3, 7]	3
1	[1, 3, 7]	7
2	[8, NULL]	8
3	[3, NULL, 4]	4

query III
SELECT * FROM tbl JOIN LATERAL (SELECT UNNEST(tbl.arr)) t(b) ON (i<b) ORDER BY i, b;
----
1	[1, 3, 7]	3
1	[1, 3, 7]	7
2	[8, NULL]	8
3	[3, NULL, 4]	4

query III
SELECT * FROM tbl JOIN LATERAL (SELECT UNNEST(tbl.arr)) t(b) ON (i>=b) ORDER BY i, b;
----
1	[1, 3, 7]	1
3	[3, NULL, 4]	3

query III
SELECT * FROM tbl JOIN LATERAL (SELECT UNNEST(ARRAY[tbl.i * tbl.i])) t(b) ON (i>=b) ORDER BY i, b;
----
1	[1, 3, 7]	1

query III
SELECT * FROM tbl JOIN LATERAL (SELECT x FROM generate_series(0,5,1) t(x) WHERE x>i) t(b) ON (i>=b) ORDER BY i, b;
----

query III
SELECT * FROM tbl JOIN LATERAL (SELECT x FROM generate_series(0,5,1) t(x) WHERE x<i) t(b) ON (i>=b) ORDER BY i, b;
----
1	[1, 3, 7]	0
2	[8, NULL]	0
2	[8, NULL]	1
3	[3, NULL, 4]	0
3	[3, NULL, 4]	1
3	[3, NULL, 4]	2