modules/calcite/src/test/sql/function/timestamp/test_extract.test

# name: test/sql/function/timestamp/test_extract.test
# description: Extract timestamp function
# group: [timestamp]

statement ok
CREATE TABLE timestamps(id INTEGER, i TIMESTAMP)

statement ok
INSERT INTO timestamps VALUES (0, TIMESTAMP '1993-08-14 08:22:33'), (1, NULL)

# extract various parts of the timestamp
query I
SELECT EXTRACT(year FROM i) FROM timestamps ORDER BY id
----
1993
NULL

query I
SELECT EXTRACT(month FROM i) FROM timestamps ORDER BY id
----
8
NULL

query I
SELECT EXTRACT(day FROM i) FROM timestamps ORDER BY id
----
14
NULL

query I
SELECT EXTRACT(decade FROM i) FROM timestamps ORDER BY id
----
199
NULL

query I
SELECT EXTRACT(century FROM i) FROM timestamps ORDER BY id
----
20
NULL

# day of the week (Sunday = 1, Saturday = 7)
query I
SELECT EXTRACT(DOW FROM i) FROM timestamps ORDER BY id
----
7
NULL

# day of the year (1 - 365/366)
query I
SELECT EXTRACT(DOY FROM i) FROM timestamps ORDER BY id
----
226
NULL

query I
SELECT EXTRACT(epoch FROM i) FROM timestamps ORDER BY id
----
745316553
NULL

# isodow (Monday = 1, Sunday = 7)
query I
SELECT EXTRACT(ISODOW FROM i) FROM timestamps ORDER BY id
----
6
NULL

# millenium (change of millenium is January 1, X001)
query I
SELECT EXTRACT(millennium FROM i) FROM timestamps ORDER BY id
----
2
NULL

query I
SELECT EXTRACT(second FROM i) FROM timestamps ORDER BY id
----
33
NULL

query I
SELECT EXTRACT(minute FROM i) FROM timestamps ORDER BY id
----
22
NULL

query I
SELECT EXTRACT(hour FROM i) FROM timestamps ORDER BY id
----
8
NULL