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# name: test/sql/join/left_outer/test_left_join_on_true.test
# description: Test ON TRUE join conditions
# group: [left_outer]
query II
WITH t AS (
SELECT 1 AS r, [{n:1}, {n:2}] AS s
UNION
SELECT 2 AS r, [{n:3}, {n:4}] AS s
)
SELECT r, s1.s.n FROM t
LEFT JOIN UNNEST(s) AS s1(s) ON TRUE
ORDER BY 1, 2
----
1 1
1 2
2 3
2 4
query II
WITH t AS (
SELECT 1 AS r, ARRAY[1, 2, 3] AS a
UNION SELECT 2 AS r, ARRAY[4] AS a
UNION SELECT 4 AS r, ARRAY[] AS a
)
SELECT r, a.value
FROM t
LEFT JOIN UNNEST(a) AS a(value) ON TRUE
ORDER BY 1, 2
----
1 1
1 2
1 3
2 4
4 NULL
# more than one condition
query II
WITH t AS (
SELECT 1 AS r, ARRAY[1, 2, 3] AS a
UNION SELECT 2 AS r, ARRAY[4] AS a
UNION SELECT 4 AS r, ARRAY[]::INTEGER[] AS a
)
SELECT r, a.value
FROM t
LEFT JOIN UNNEST(a) AS a(value) ON TRUE AND a.value IS NULL
ORDER BY 1, 2
----
1 NULL
2 NULL
4 NULL
query II
WITH t AS (
SELECT 1 AS r, ARRAY[1, 2, 3] AS a
UNION SELECT 2 AS r, ARRAY[4] AS a
UNION SELECT 4 AS r, ARRAY[] AS a
)
SELECT r, a.value
FROM t
LEFT JOIN UNNEST(a) AS a(value) ON (1 = 1) AND TRUE AND list_contains([2, 3], 2)
ORDER BY 1, 2
----
1 1
1 2
1 3
2 4
4 NULL
# non-true constant expressions cause a binder error
statement error
WITH t AS (
SELECT 1 AS r, [{n:1}, {n:2}] AS s
UNION
SELECT 2 AS r, [{n:3}, {n:4}] AS s
)
SELECT r, s1.s.n FROM t
LEFT JOIN UNNEST(s) AS s1(s) ON FALSE
----
Binder Error: Join condition for non-inner LATERAL JOIN must be a comparison between the left and right side
# test non-lateral left joins
statement ok
CREATE TABLE integers(i INTEGER, j INTEGER)
statement ok
INSERT INTO integers VALUES (1, 2), (2, 3), (3, 4)
statement ok
CREATE TABLE integers2(k INTEGER, l INTEGER)
statement ok
INSERT INTO integers2 VALUES (1, 10), (2, 20)
query IIII
SELECT * FROM integers LEFT OUTER JOIN integers2 ON TRUE AND integers.i=integers2.k AND TRUE ORDER BY i
----
1 2 1 10
2 3 2 20
3 4 NULL NULL
query IIII
SELECT * FROM integers LEFT OUTER JOIN integers2 ON TRUE AND integers.i=integers2.k AND FALSE ORDER BY i
----
1 2 NULL NULL
2 3 NULL NULL
3 4 NULL NULL
# this is just a cross product
query IIII
SELECT * FROM integers LEFT OUTER JOIN integers2 ON TRUE ORDER BY i
----
1 2 1 10
1 2 2 20
2 3 1 10
2 3 2 20
3 4 1 10
3 4 2 20
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