# Copyright Materialize, Inc. and contributors. All rights reserved.
#
# Use of this software is governed by the Business Source License
# included in the LICENSE file at the root of this repository.
#
# As of the Change Date specified in that file, in accordance with
# the Business Source License, use of this software will be governed
# by the Apache License, Version 2.0.

mode cockroach

query IIIII
SELECT
    datediff('year', '2023-05-08', '2023-06-07'),
    datediff('month', '2023-05-08', '2023-06-07'),
    datediff('week', '2023-05-08', '2023-06-07'),
    datediff('day', '2023-05-08', '2023-06-07'),
    datediff('hour', '2023-05-08', '2023-06-07')
----
0 1 4 30 720

query IIIIIIII
SELECT
    datediff('millennia', '2000-12-31', '2001-01-01'),
    datediff('century', '2000-12-31', '2001-01-01'),
    datediff('decade', '2000-12-31', '2001-01-01'),
    datediff('year', '2000-12-31', '2001-01-01'),
    datediff('quarter', '2000-12-31', '2001-01-01'),
    datediff('month', '2000-12-31', '2001-01-01'),
    datediff('year', '2000-12-31', '2001-01-01'),
    datediff('day', '2000-12-31', '2001-01-01')
----
1 1 0 1 1 1 1 1

query IIIII
SELECT
    datediff('year', '1998-01-01', '2000-06-01'),
    datediff('quarter', '1998-01-01', '2000-06-01'),
    datediff('month', '1998-01-01', '2000-06-01'),
    datediff('week', '1998-01-01', '2000-06-01'),
    datediff('day', '1998-01-01', '2000-06-01')
----
2 9 29 126 882

query I
SELECT datediff('month', '2023-05-08', '2024-06-08');
----
13

query I
SELECT datediff('day', '2023-06-08', '2023-06-07');
----
-1

# Make sure we correctly handle leap years
query I
SELECT datediff('day', '2004-03-01', '2004-02-28');
----
-2

query I
SELECT datediff('day', '2005-03-01', '2005-02-28');
----
-1

query I
SELECT datediff('day', '2005-02-01', '2004-02-01');
----
-366

query I
SELECT datediff('day', '2004-02-01', '2005-02-01');
----
366

query I
SELECT datediff('day', '2005-03-01', '2004-03-01');
----
-365

query I
SELECT datediff('hour', '2017/08/25 07:00', '2017/08/25 12:45');
----
5

query I
SELECT datediff('hour', '2023-01-01', '2023-01-03 05:04:03');
----
53

query I
SELECT datediff('days', '2008-06-01 09:59:59 EST', '2008-07-04 09:59:59 EST');
----
33

query T
SELECT to_timestamp(-210833720368);
----
4713-12-10 21:40:32+00 BC

query T
SELECT to_timestamp(0);
----
1970-01-01 00:00:00+00

query T
SELECT to_timestamp(8200000000000);
----
261817-08-28 09:46:40+00

query T
SELECT datediff('mil', '0001-01-01', '2000-01-01');
----
1

query IIIII
SELECT
    datediff('usec', to_timestamp(-210833720368), to_timestamp(8200000000000)),
    datediff('ms', to_timestamp(-210833720368), to_timestamp(8200000000000)),
    datediff('s', to_timestamp(-210833720368), to_timestamp(8200000000000)),
    datediff('m', to_timestamp(-210833720368), to_timestamp(8200000000000)),
    datediff('h', to_timestamp(-210833720368), to_timestamp(8200000000000))
----
8410833720368000000 8410833720368000 8410833720368 140180562006 2336342700

query IIIIII
SELECT
    datediff('days', to_timestamp(-210833720368), to_timestamp(8200000000000)),
    datediff('months', to_timestamp(-210833720368), to_timestamp(8200000000000)),
    datediff('years', to_timestamp(-210833720368), to_timestamp(8200000000000)),
    datediff('decade', to_timestamp(-210833720368), to_timestamp(8200000000000)),
    datediff('century', to_timestamp(-210833720368), to_timestamp(8200000000000)),
    datediff('millennia', to_timestamp(-210833720368), to_timestamp(8200000000000))
----
97347612 3198344 266529 26653 2667 267