File: age.test

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# name: test/sql/function/timestamp/age.test
# description: Test age function
# group: [timestamp]

# age without second timestamp compares to NOW()
statement ok
SELECT AGE(TIMESTAMP '1957-06-13') t

query T
SELECT AGE(TIMESTAMP '2001-04-10', TIMESTAMP '1957-06-13');
----
43 years 9 months 27 days

query T
SELECT age(TIMESTAMP '2014-04-25', TIMESTAMP '2014-04-17');
----
8 days

query T
SELECT age(TIMESTAMP '2014-04-25', TIMESTAMP '2014-01-01');
----
3 months 24 days

query T
SELECT age(TIMESTAMP '2019-06-11', TIMESTAMP '2019-06-11');
----
00:00:00

query T
SELECT age(TIMESTAMP '2019-06-11', TIMESTAMP '2019-06-11')::VARCHAR;
----
00:00:00

query T
 SELECT age(timestamp '2019-06-11 12:00:00', timestamp '2019-07-11 11:00:00');
----
-29 days -23:00:00

statement ok
CREATE TABLE timestamp(t1 TIMESTAMP, t2 TIMESTAMP)

statement ok
INSERT INTO timestamp VALUES('2001-04-10', '1957-06-13')

statement ok
INSERT INTO timestamp VALUES('2014-04-25', '2014-04-17')

statement ok
INSERT INTO timestamp VALUES('2014-04-25','2014-01-01')

statement ok
INSERT INTO timestamp VALUES('2019-06-11', '2019-06-11')

statement ok
INSERT INTO timestamp VALUES(NULL, '2019-06-11')

statement ok
INSERT INTO timestamp VALUES('2019-06-11', NULL)

statement ok
INSERT INTO timestamp VALUES(NULL, NULL)

query T
SELECT AGE(t1, TIMESTAMP '1957-06-13') FROM timestamp;
----
43 years 9 months 27 days
56 years 10 months 12 days
56 years 10 months 12 days
61 years 11 months 28 days
NULL
61 years 11 months 28 days
NULL

query T
SELECT AGE(TIMESTAMP '2001-04-10', t2) FROM timestamp;
----
43 years 9 months 27 days
-13 years -7 days
-12 years -8 months -21 days
-18 years -2 months -1 day
-18 years -2 months -1 day
NULL
NULL

query T
SELECT AGE(t1, t2) FROM timestamp;
----
43 years 9 months 27 days
8 days
3 months 24 days
00:00:00
NULL
NULL
NULL

query T
SELECT t1 - t2 FROM timestamp;
----
16007 days
8 days
114 days
00:00:00
NULL
NULL
NULL

query T
SELECT AGE(t1, t2) FROM timestamp WHERE t1 > '2001-12-12';
----
8 days
3 months 24 days
00:00:00
NULL

query T
SELECT AGE(NULL, NULL);
----
NULL

query T
SELECT AGE(TIMESTAMP '1957-06-13', NULL);
----
NULL

query T
SELECT AGE(NULL, TIMESTAMP '1957-06-13');
----
NULL

# date can also be used with AGE
# hopefully the clock is not off by more than a century
query T
SELECT INTERVAL '1' DAY < AGE(DATE '1900-06-13');
----
1

query T
SELECT AGE(DATE '1900-01-01', DATE '1950-01-01');
----
-50 years

query I
select age(timestamp '1992-01-01 01:01:02.400', timestamp '1992-01-01 01:01:02.200');
----
00:00:00.2

query I
select age(timestamp '1992-01-01 01:01:02.200', timestamp '1992-01-01 01:01:02.400');
----
-00:00:00.2

query I
select age(timestamp '1992-01-01 01:01:01.400', timestamp '1992-01-01 01:01:02.200');
----
-00:00:00.8

#
# Infinities
#
foreach lspecial infinity -infinity

# Unary
query I
SELECT AGE('${lspecial}'::TIMESTAMP);
----
NULL

foreach rspecial infinity -infinity 2004-01-31T12:00:00.000050-08

query I
SELECT AGE('${lspecial}'::TIMESTAMP, '${rspecial}'::TIMESTAMP);
----
NULL

query I
SELECT AGE('${rspecial}'::TIMESTAMP, '${lspecial}'::TIMESTAMP);
----
NULL

endloop

endloop