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# name: test/sql/function/list/generate_series.test
# description: Test generate_series/range function
# group: [list]
# range with a single parameter
query I
SELECT range(3)
----
[0, 1, 2]
query I
SELECT generate_series(3)
----
[0, 1, 2, 3]
query I
SELECT range(3) FROM range(3)
----
[0, 1, 2]
[0, 1, 2]
[0, 1, 2]
query I
SELECT range(i) FROM range(3) tbl(i)
----
[]
[0]
[0, 1]
query I
SELECT range(NULL) FROM range(3) tbl(i)
----
NULL
NULL
NULL
query I
SELECT range(CASE WHEN i%2=0 THEN NULL ELSE i END) FROM range(6) tbl(i)
----
NULL
[0]
NULL
[0, 1, 2]
NULL
[0, 1, 2, 3, 4]
query I
SELECT range(0)
----
[]
query I
SELECT range(-1)
----
[]
query I
SELECT range(NULL)
----
NULL
# range with two parameters
query I
SELECT range(1, 3)
----
[1, 2]
query I
SELECT generate_series(1, 3)
----
[1, 2, 3]
query I
SELECT range(1, 1)
----
[]
query I
SELECT range(-10, -5)
----
[-10, -9, -8, -7, -6]
query I
SELECT generate_series(1, 1)
----
[1]
query I
SELECT range(3, 1)
----
[]
query I
SELECT range(NULL, 1)
----
NULL
query I
SELECT range(1, NULL)
----
NULL
query I
SELECT range(NULL, NULL)
----
NULL
query I
SELECT range(i, 5) FROM range(5) tbl(i)
----
[0, 1, 2, 3, 4]
[1, 2, 3, 4]
[2, 3, 4]
[3, 4]
[4]
query I
SELECT range(0, i) FROM range(5) tbl(i)
----
[]
[0]
[0, 1]
[0, 1, 2]
[0, 1, 2, 3]
# range with 3 parameters
query I
SELECT range(1, 6, 2)
----
[1, 3, 5]
query I
SELECT generate_series(1, 6, 2)
----
[1, 3, 5]
query I
SELECT generate_series(1, 7, 2)
----
[1, 3, 5, 7]
query I
SELECT range(1, 10, 100)
----
[1]
query I
SELECT range(1, 10, 0)
----
[]
query I
SELECT range(3, 1, -1)
----
[3, 2]
query I
SELECT generate_series(3, 1, -1)
----
[3, 2, 1]
query I
SELECT range(3, 1, 1)
----
[]
query I
SELECT range(1, 3, -1)
----
[]
query I
SELECT range(4, 1, -1)
----
[4, 3, 2]
query I
SELECT range(50, 1, -20)
----
[50, 30, 10]
query I
SELECT generate_series(50, 1, -20)
----
[50, 30, 10]
query I
SELECT generate_series(50, -10, -20)
----
[50, 30, 10, -10]
query I
SELECT range(NULL, 1, 1)
----
NULL
query I
SELECT range(1, NULL, 1)
----
NULL
query I
SELECT range(1, 1, NULL)
----
NULL
query I
SELECT range(NULL, NULL, NULL)
----
NULL
query II
SELECT * FROM (SELECT 1 UNION ALL SELECT 0 UNION ALL SELECT 2) AS _(x), generate_series(1, x) AS __(y) ORDER BY x, y
----
1 1
2 1
2 2
# Check that explain cardinalities are correct
query II
EXPLAIN FROM range(0);
----
physical_plan <REGEX>:.*~0 rows.*
query II
EXPLAIN FROM range(-1);
----
physical_plan <REGEX>:.*~0 rows.*
query II
EXPLAIN FROM range(-5, -20, -1);
----
physical_plan <REGEX>:.*~15 rows.*
query II
EXPLAIN FROM range(1, 4, 2);
----
physical_plan <REGEX>:.*~2 rows.*
query II
EXPLAIN FROM range(1, 5, 2);
----
physical_plan <REGEX>:.*~2 rows.*
query II
EXPLAIN FROM generate_series(0);
----
physical_plan <REGEX>:.*~1 row.*
query II
EXPLAIN FROM generate_series(1);
----
physical_plan <REGEX>:.*~2 rows.*
query II
EXPLAIN FROM generate_series(1, 4, 2);
----
physical_plan <REGEX>:.*~2 rows.*
query II
EXPLAIN FROM generate_series(1, 5, 2);
----
physical_plan <REGEX>:.*~3 rows.*
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