diff options
Diffstat (limited to 'src/test/regress/expected/date.out')
| -rw-r--r-- | src/test/regress/expected/date.out | 1497 |
1 files changed, 1497 insertions, 0 deletions
diff --git a/src/test/regress/expected/date.out b/src/test/regress/expected/date.out new file mode 100644 index 0000000..75ff659 --- /dev/null +++ b/src/test/regress/expected/date.out @@ -0,0 +1,1497 @@ +-- +-- DATE +-- +CREATE TABLE DATE_TBL (f1 date); +INSERT INTO DATE_TBL VALUES ('1957-04-09'); +INSERT INTO DATE_TBL VALUES ('1957-06-13'); +INSERT INTO DATE_TBL VALUES ('1996-02-28'); +INSERT INTO DATE_TBL VALUES ('1996-02-29'); +INSERT INTO DATE_TBL VALUES ('1996-03-01'); +INSERT INTO DATE_TBL VALUES ('1996-03-02'); +INSERT INTO DATE_TBL VALUES ('1997-02-28'); +INSERT INTO DATE_TBL VALUES ('1997-02-29'); +ERROR: date/time field value out of range: "1997-02-29" +LINE 1: INSERT INTO DATE_TBL VALUES ('1997-02-29'); + ^ +INSERT INTO DATE_TBL VALUES ('1997-03-01'); +INSERT INTO DATE_TBL VALUES ('1997-03-02'); +INSERT INTO DATE_TBL VALUES ('2000-04-01'); +INSERT INTO DATE_TBL VALUES ('2000-04-02'); +INSERT INTO DATE_TBL VALUES ('2000-04-03'); +INSERT INTO DATE_TBL VALUES ('2038-04-08'); +INSERT INTO DATE_TBL VALUES ('2039-04-09'); +INSERT INTO DATE_TBL VALUES ('2040-04-10'); +INSERT INTO DATE_TBL VALUES ('2040-04-10 BC'); +SELECT f1 FROM DATE_TBL; + f1 +--------------- + 04-09-1957 + 06-13-1957 + 02-28-1996 + 02-29-1996 + 03-01-1996 + 03-02-1996 + 02-28-1997 + 03-01-1997 + 03-02-1997 + 04-01-2000 + 04-02-2000 + 04-03-2000 + 04-08-2038 + 04-09-2039 + 04-10-2040 + 04-10-2040 BC +(16 rows) + +SELECT f1 FROM DATE_TBL WHERE f1 < '2000-01-01'; + f1 +--------------- + 04-09-1957 + 06-13-1957 + 02-28-1996 + 02-29-1996 + 03-01-1996 + 03-02-1996 + 02-28-1997 + 03-01-1997 + 03-02-1997 + 04-10-2040 BC +(10 rows) + +SELECT f1 FROM DATE_TBL + WHERE f1 BETWEEN '2000-01-01' AND '2001-01-01'; + f1 +------------ + 04-01-2000 + 04-02-2000 + 04-03-2000 +(3 rows) + +-- +-- Check all the documented input formats +-- +SET datestyle TO iso; -- display results in ISO +SET datestyle TO ymd; +SELECT date 'January 8, 1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999-01-08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999-01-18'; + date +------------ + 1999-01-18 +(1 row) + +SELECT date '1/8/1999'; +ERROR: date/time field value out of range: "1/8/1999" +LINE 1: SELECT date '1/8/1999'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '1/18/1999'; +ERROR: date/time field value out of range: "1/18/1999" +LINE 1: SELECT date '1/18/1999'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '18/1/1999'; +ERROR: date/time field value out of range: "18/1/1999" +LINE 1: SELECT date '18/1/1999'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '01/02/03'; + date +------------ + 2001-02-03 +(1 row) + +SELECT date '19990108'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '990108'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999.008'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'J2451187'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'January 8, 99 BC'; +ERROR: date/time field value out of range: "January 8, 99 BC" +LINE 1: SELECT date 'January 8, 99 BC'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '99-Jan-08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999-Jan-08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08-Jan-99'; +ERROR: date/time field value out of range: "08-Jan-99" +LINE 1: SELECT date '08-Jan-99'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '08-Jan-1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'Jan-08-99'; +ERROR: date/time field value out of range: "Jan-08-99" +LINE 1: SELECT date 'Jan-08-99'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date 'Jan-08-1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '99-08-Jan'; +ERROR: invalid input syntax for type date: "99-08-Jan" +LINE 1: SELECT date '99-08-Jan'; + ^ +SELECT date '1999-08-Jan'; +ERROR: invalid input syntax for type date: "1999-08-Jan" +LINE 1: SELECT date '1999-08-Jan'; + ^ +SELECT date '99 Jan 08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999 Jan 08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08 Jan 99'; +ERROR: date/time field value out of range: "08 Jan 99" +LINE 1: SELECT date '08 Jan 99'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '08 Jan 1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'Jan 08 99'; +ERROR: date/time field value out of range: "Jan 08 99" +LINE 1: SELECT date 'Jan 08 99'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date 'Jan 08 1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '99 08 Jan'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999 08 Jan'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '99-01-08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999-01-08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08-01-99'; +ERROR: date/time field value out of range: "08-01-99" +LINE 1: SELECT date '08-01-99'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '08-01-1999'; +ERROR: date/time field value out of range: "08-01-1999" +LINE 1: SELECT date '08-01-1999'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '01-08-99'; +ERROR: date/time field value out of range: "01-08-99" +LINE 1: SELECT date '01-08-99'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '01-08-1999'; +ERROR: date/time field value out of range: "01-08-1999" +LINE 1: SELECT date '01-08-1999'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '99-08-01'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '1999-08-01'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '99 01 08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999 01 08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08 01 99'; +ERROR: date/time field value out of range: "08 01 99" +LINE 1: SELECT date '08 01 99'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '08 01 1999'; +ERROR: date/time field value out of range: "08 01 1999" +LINE 1: SELECT date '08 01 1999'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '01 08 99'; +ERROR: date/time field value out of range: "01 08 99" +LINE 1: SELECT date '01 08 99'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '01 08 1999'; +ERROR: date/time field value out of range: "01 08 1999" +LINE 1: SELECT date '01 08 1999'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '99 08 01'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '1999 08 01'; + date +------------ + 1999-08-01 +(1 row) + +SET datestyle TO dmy; +SELECT date 'January 8, 1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999-01-08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999-01-18'; + date +------------ + 1999-01-18 +(1 row) + +SELECT date '1/8/1999'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '1/18/1999'; +ERROR: date/time field value out of range: "1/18/1999" +LINE 1: SELECT date '1/18/1999'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '18/1/1999'; + date +------------ + 1999-01-18 +(1 row) + +SELECT date '01/02/03'; + date +------------ + 2003-02-01 +(1 row) + +SELECT date '19990108'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '990108'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999.008'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'J2451187'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'January 8, 99 BC'; + date +--------------- + 0099-01-08 BC +(1 row) + +SELECT date '99-Jan-08'; +ERROR: date/time field value out of range: "99-Jan-08" +LINE 1: SELECT date '99-Jan-08'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '1999-Jan-08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08-Jan-99'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08-Jan-1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'Jan-08-99'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'Jan-08-1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '99-08-Jan'; +ERROR: invalid input syntax for type date: "99-08-Jan" +LINE 1: SELECT date '99-08-Jan'; + ^ +SELECT date '1999-08-Jan'; +ERROR: invalid input syntax for type date: "1999-08-Jan" +LINE 1: SELECT date '1999-08-Jan'; + ^ +SELECT date '99 Jan 08'; +ERROR: date/time field value out of range: "99 Jan 08" +LINE 1: SELECT date '99 Jan 08'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '1999 Jan 08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08 Jan 99'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08 Jan 1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'Jan 08 99'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'Jan 08 1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '99 08 Jan'; +ERROR: invalid input syntax for type date: "99 08 Jan" +LINE 1: SELECT date '99 08 Jan'; + ^ +SELECT date '1999 08 Jan'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '99-01-08'; +ERROR: date/time field value out of range: "99-01-08" +LINE 1: SELECT date '99-01-08'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '1999-01-08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08-01-99'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08-01-1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '01-08-99'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '01-08-1999'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '99-08-01'; +ERROR: date/time field value out of range: "99-08-01" +LINE 1: SELECT date '99-08-01'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '1999-08-01'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '99 01 08'; +ERROR: date/time field value out of range: "99 01 08" +LINE 1: SELECT date '99 01 08'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '1999 01 08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08 01 99'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08 01 1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '01 08 99'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '01 08 1999'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '99 08 01'; +ERROR: date/time field value out of range: "99 08 01" +LINE 1: SELECT date '99 08 01'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '1999 08 01'; + date +------------ + 1999-08-01 +(1 row) + +SET datestyle TO mdy; +SELECT date 'January 8, 1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999-01-08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999-01-18'; + date +------------ + 1999-01-18 +(1 row) + +SELECT date '1/8/1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1/18/1999'; + date +------------ + 1999-01-18 +(1 row) + +SELECT date '18/1/1999'; +ERROR: date/time field value out of range: "18/1/1999" +LINE 1: SELECT date '18/1/1999'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '01/02/03'; + date +------------ + 2003-01-02 +(1 row) + +SELECT date '19990108'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '990108'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '1999.008'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'J2451187'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'January 8, 99 BC'; + date +--------------- + 0099-01-08 BC +(1 row) + +SELECT date '99-Jan-08'; +ERROR: date/time field value out of range: "99-Jan-08" +LINE 1: SELECT date '99-Jan-08'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '1999-Jan-08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08-Jan-99'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08-Jan-1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'Jan-08-99'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'Jan-08-1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '99-08-Jan'; +ERROR: invalid input syntax for type date: "99-08-Jan" +LINE 1: SELECT date '99-08-Jan'; + ^ +SELECT date '1999-08-Jan'; +ERROR: invalid input syntax for type date: "1999-08-Jan" +LINE 1: SELECT date '1999-08-Jan'; + ^ +SELECT date '99 Jan 08'; +ERROR: invalid input syntax for type date: "99 Jan 08" +LINE 1: SELECT date '99 Jan 08'; + ^ +SELECT date '1999 Jan 08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08 Jan 99'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08 Jan 1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'Jan 08 99'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date 'Jan 08 1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '99 08 Jan'; +ERROR: invalid input syntax for type date: "99 08 Jan" +LINE 1: SELECT date '99 08 Jan'; + ^ +SELECT date '1999 08 Jan'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '99-01-08'; +ERROR: date/time field value out of range: "99-01-08" +LINE 1: SELECT date '99-01-08'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '1999-01-08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08-01-99'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '08-01-1999'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '01-08-99'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '01-08-1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '99-08-01'; +ERROR: date/time field value out of range: "99-08-01" +LINE 1: SELECT date '99-08-01'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '1999-08-01'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '99 01 08'; +ERROR: date/time field value out of range: "99 01 08" +LINE 1: SELECT date '99 01 08'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '1999 01 08'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '08 01 99'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '08 01 1999'; + date +------------ + 1999-08-01 +(1 row) + +SELECT date '01 08 99'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '01 08 1999'; + date +------------ + 1999-01-08 +(1 row) + +SELECT date '99 08 01'; +ERROR: date/time field value out of range: "99 08 01" +LINE 1: SELECT date '99 08 01'; + ^ +HINT: Perhaps you need a different "datestyle" setting. +SELECT date '1999 08 01'; + date +------------ + 1999-08-01 +(1 row) + +-- Check upper and lower limits of date range +SELECT date '4714-11-24 BC'; + date +--------------- + 4714-11-24 BC +(1 row) + +SELECT date '4714-11-23 BC'; -- out of range +ERROR: date out of range: "4714-11-23 BC" +LINE 1: SELECT date '4714-11-23 BC'; + ^ +SELECT date '5874897-12-31'; + date +--------------- + 5874897-12-31 +(1 row) + +SELECT date '5874898-01-01'; -- out of range +ERROR: date out of range: "5874898-01-01" +LINE 1: SELECT date '5874898-01-01'; + ^ +RESET datestyle; +-- +-- Simple math +-- Leave most of it for the horology tests +-- +SELECT f1 - date '2000-01-01' AS "Days From 2K" FROM DATE_TBL; + Days From 2K +-------------- + -15607 + -15542 + -1403 + -1402 + -1401 + -1400 + -1037 + -1036 + -1035 + 91 + 92 + 93 + 13977 + 14343 + 14710 + -1475115 +(16 rows) + +SELECT f1 - date 'epoch' AS "Days From Epoch" FROM DATE_TBL; + Days From Epoch +----------------- + -4650 + -4585 + 9554 + 9555 + 9556 + 9557 + 9920 + 9921 + 9922 + 11048 + 11049 + 11050 + 24934 + 25300 + 25667 + -1464158 +(16 rows) + +SELECT date 'yesterday' - date 'today' AS "One day"; + One day +--------- + -1 +(1 row) + +SELECT date 'today' - date 'tomorrow' AS "One day"; + One day +--------- + -1 +(1 row) + +SELECT date 'yesterday' - date 'tomorrow' AS "Two days"; + Two days +---------- + -2 +(1 row) + +SELECT date 'tomorrow' - date 'today' AS "One day"; + One day +--------- + 1 +(1 row) + +SELECT date 'today' - date 'yesterday' AS "One day"; + One day +--------- + 1 +(1 row) + +SELECT date 'tomorrow' - date 'yesterday' AS "Two days"; + Two days +---------- + 2 +(1 row) + +-- +-- test extract! +-- +SELECT f1 as "date", + date_part('year', f1) AS year, + date_part('month', f1) AS month, + date_part('day', f1) AS day, + date_part('quarter', f1) AS quarter, + date_part('decade', f1) AS decade, + date_part('century', f1) AS century, + date_part('millennium', f1) AS millennium, + date_part('isoyear', f1) AS isoyear, + date_part('week', f1) AS week, + date_part('dow', f1) AS dow, + date_part('isodow', f1) AS isodow, + date_part('doy', f1) AS doy, + date_part('julian', f1) AS julian, + date_part('epoch', f1) AS epoch + FROM date_tbl; + date | year | month | day | quarter | decade | century | millennium | isoyear | week | dow | isodow | doy | julian | epoch +---------------+-------+-------+-----+---------+--------+---------+------------+---------+------+-----+--------+-----+---------+--------------- + 04-09-1957 | 1957 | 4 | 9 | 2 | 195 | 20 | 2 | 1957 | 15 | 2 | 2 | 99 | 2435938 | -401760000 + 06-13-1957 | 1957 | 6 | 13 | 2 | 195 | 20 | 2 | 1957 | 24 | 4 | 4 | 164 | 2436003 | -396144000 + 02-28-1996 | 1996 | 2 | 28 | 1 | 199 | 20 | 2 | 1996 | 9 | 3 | 3 | 59 | 2450142 | 825465600 + 02-29-1996 | 1996 | 2 | 29 | 1 | 199 | 20 | 2 | 1996 | 9 | 4 | 4 | 60 | 2450143 | 825552000 + 03-01-1996 | 1996 | 3 | 1 | 1 | 199 | 20 | 2 | 1996 | 9 | 5 | 5 | 61 | 2450144 | 825638400 + 03-02-1996 | 1996 | 3 | 2 | 1 | 199 | 20 | 2 | 1996 | 9 | 6 | 6 | 62 | 2450145 | 825724800 + 02-28-1997 | 1997 | 2 | 28 | 1 | 199 | 20 | 2 | 1997 | 9 | 5 | 5 | 59 | 2450508 | 857088000 + 03-01-1997 | 1997 | 3 | 1 | 1 | 199 | 20 | 2 | 1997 | 9 | 6 | 6 | 60 | 2450509 | 857174400 + 03-02-1997 | 1997 | 3 | 2 | 1 | 199 | 20 | 2 | 1997 | 9 | 0 | 7 | 61 | 2450510 | 857260800 + 04-01-2000 | 2000 | 4 | 1 | 2 | 200 | 20 | 2 | 2000 | 13 | 6 | 6 | 92 | 2451636 | 954547200 + 04-02-2000 | 2000 | 4 | 2 | 2 | 200 | 20 | 2 | 2000 | 13 | 0 | 7 | 93 | 2451637 | 954633600 + 04-03-2000 | 2000 | 4 | 3 | 2 | 200 | 20 | 2 | 2000 | 14 | 1 | 1 | 94 | 2451638 | 954720000 + 04-08-2038 | 2038 | 4 | 8 | 2 | 203 | 21 | 3 | 2038 | 14 | 4 | 4 | 98 | 2465522 | 2154297600 + 04-09-2039 | 2039 | 4 | 9 | 2 | 203 | 21 | 3 | 2039 | 14 | 6 | 6 | 99 | 2465888 | 2185920000 + 04-10-2040 | 2040 | 4 | 10 | 2 | 204 | 21 | 3 | 2040 | 15 | 2 | 2 | 101 | 2466255 | 2217628800 + 04-10-2040 BC | -2040 | 4 | 10 | 2 | -204 | -21 | -3 | -2040 | 15 | 1 | 1 | 100 | 976430 | -126503251200 +(16 rows) + +-- +-- epoch +-- +SELECT EXTRACT(EPOCH FROM DATE '1970-01-01'); -- 0 + extract +--------- + 0 +(1 row) + +-- +-- century +-- +SELECT EXTRACT(CENTURY FROM DATE '0101-12-31 BC'); -- -2 + extract +--------- + -2 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '0100-12-31 BC'); -- -1 + extract +--------- + -1 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '0001-12-31 BC'); -- -1 + extract +--------- + -1 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '0001-01-01'); -- 1 + extract +--------- + 1 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '0001-01-01 AD'); -- 1 + extract +--------- + 1 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '1900-12-31'); -- 19 + extract +--------- + 19 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '1901-01-01'); -- 20 + extract +--------- + 20 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '2000-12-31'); -- 20 + extract +--------- + 20 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '2001-01-01'); -- 21 + extract +--------- + 21 +(1 row) + +SELECT EXTRACT(CENTURY FROM CURRENT_DATE)>=21 AS True; -- true + true +------ + t +(1 row) + +-- +-- millennium +-- +SELECT EXTRACT(MILLENNIUM FROM DATE '0001-12-31 BC'); -- -1 + extract +--------- + -1 +(1 row) + +SELECT EXTRACT(MILLENNIUM FROM DATE '0001-01-01 AD'); -- 1 + extract +--------- + 1 +(1 row) + +SELECT EXTRACT(MILLENNIUM FROM DATE '1000-12-31'); -- 1 + extract +--------- + 1 +(1 row) + +SELECT EXTRACT(MILLENNIUM FROM DATE '1001-01-01'); -- 2 + extract +--------- + 2 +(1 row) + +SELECT EXTRACT(MILLENNIUM FROM DATE '2000-12-31'); -- 2 + extract +--------- + 2 +(1 row) + +SELECT EXTRACT(MILLENNIUM FROM DATE '2001-01-01'); -- 3 + extract +--------- + 3 +(1 row) + +-- next test to be fixed on the turn of the next millennium;-) +SELECT EXTRACT(MILLENNIUM FROM CURRENT_DATE); -- 3 + extract +--------- + 3 +(1 row) + +-- +-- decade +-- +SELECT EXTRACT(DECADE FROM DATE '1994-12-25'); -- 199 + extract +--------- + 199 +(1 row) + +SELECT EXTRACT(DECADE FROM DATE '0010-01-01'); -- 1 + extract +--------- + 1 +(1 row) + +SELECT EXTRACT(DECADE FROM DATE '0009-12-31'); -- 0 + extract +--------- + 0 +(1 row) + +SELECT EXTRACT(DECADE FROM DATE '0001-01-01 BC'); -- 0 + extract +--------- + 0 +(1 row) + +SELECT EXTRACT(DECADE FROM DATE '0002-12-31 BC'); -- -1 + extract +--------- + -1 +(1 row) + +SELECT EXTRACT(DECADE FROM DATE '0011-01-01 BC'); -- -1 + extract +--------- + -1 +(1 row) + +SELECT EXTRACT(DECADE FROM DATE '0012-12-31 BC'); -- -2 + extract +--------- + -2 +(1 row) + +-- +-- all possible fields +-- +SELECT EXTRACT(MICROSECONDS FROM DATE '2020-08-11'); +ERROR: unit "microseconds" not supported for type date +SELECT EXTRACT(MILLISECONDS FROM DATE '2020-08-11'); +ERROR: unit "milliseconds" not supported for type date +SELECT EXTRACT(SECOND FROM DATE '2020-08-11'); +ERROR: unit "second" not supported for type date +SELECT EXTRACT(MINUTE FROM DATE '2020-08-11'); +ERROR: unit "minute" not supported for type date +SELECT EXTRACT(HOUR FROM DATE '2020-08-11'); +ERROR: unit "hour" not supported for type date +SELECT EXTRACT(DAY FROM DATE '2020-08-11'); + extract +--------- + 11 +(1 row) + +SELECT EXTRACT(MONTH FROM DATE '2020-08-11'); + extract +--------- + 8 +(1 row) + +SELECT EXTRACT(YEAR FROM DATE '2020-08-11'); + extract +--------- + 2020 +(1 row) + +SELECT EXTRACT(YEAR FROM DATE '2020-08-11 BC'); + extract +--------- + -2020 +(1 row) + +SELECT EXTRACT(DECADE FROM DATE '2020-08-11'); + extract +--------- + 202 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '2020-08-11'); + extract +--------- + 21 +(1 row) + +SELECT EXTRACT(MILLENNIUM FROM DATE '2020-08-11'); + extract +--------- + 3 +(1 row) + +SELECT EXTRACT(ISOYEAR FROM DATE '2020-08-11'); + extract +--------- + 2020 +(1 row) + +SELECT EXTRACT(ISOYEAR FROM DATE '2020-08-11 BC'); + extract +--------- + -2020 +(1 row) + +SELECT EXTRACT(QUARTER FROM DATE '2020-08-11'); + extract +--------- + 3 +(1 row) + +SELECT EXTRACT(WEEK FROM DATE '2020-08-11'); + extract +--------- + 33 +(1 row) + +SELECT EXTRACT(DOW FROM DATE '2020-08-11'); + extract +--------- + 2 +(1 row) + +SELECT EXTRACT(DOW FROM DATE '2020-08-16'); + extract +--------- + 0 +(1 row) + +SELECT EXTRACT(ISODOW FROM DATE '2020-08-11'); + extract +--------- + 2 +(1 row) + +SELECT EXTRACT(ISODOW FROM DATE '2020-08-16'); + extract +--------- + 7 +(1 row) + +SELECT EXTRACT(DOY FROM DATE '2020-08-11'); + extract +--------- + 224 +(1 row) + +SELECT EXTRACT(TIMEZONE FROM DATE '2020-08-11'); +ERROR: unit "timezone" not supported for type date +SELECT EXTRACT(TIMEZONE_M FROM DATE '2020-08-11'); +ERROR: unit "timezone_m" not supported for type date +SELECT EXTRACT(TIMEZONE_H FROM DATE '2020-08-11'); +ERROR: unit "timezone_h" not supported for type date +SELECT EXTRACT(EPOCH FROM DATE '2020-08-11'); + extract +------------ + 1597104000 +(1 row) + +SELECT EXTRACT(JULIAN FROM DATE '2020-08-11'); + extract +--------- + 2459073 +(1 row) + +-- +-- test trunc function! +-- +SELECT DATE_TRUNC('MILLENNIUM', TIMESTAMP '1970-03-20 04:30:00.00000'); -- 1001 + date_trunc +-------------------------- + Thu Jan 01 00:00:00 1001 +(1 row) + +SELECT DATE_TRUNC('MILLENNIUM', DATE '1970-03-20'); -- 1001-01-01 + date_trunc +------------------------------ + Thu Jan 01 00:00:00 1001 PST +(1 row) + +SELECT DATE_TRUNC('CENTURY', TIMESTAMP '1970-03-20 04:30:00.00000'); -- 1901 + date_trunc +-------------------------- + Tue Jan 01 00:00:00 1901 +(1 row) + +SELECT DATE_TRUNC('CENTURY', DATE '1970-03-20'); -- 1901 + date_trunc +------------------------------ + Tue Jan 01 00:00:00 1901 PST +(1 row) + +SELECT DATE_TRUNC('CENTURY', DATE '2004-08-10'); -- 2001-01-01 + date_trunc +------------------------------ + Mon Jan 01 00:00:00 2001 PST +(1 row) + +SELECT DATE_TRUNC('CENTURY', DATE '0002-02-04'); -- 0001-01-01 + date_trunc +------------------------------ + Mon Jan 01 00:00:00 0001 PST +(1 row) + +SELECT DATE_TRUNC('CENTURY', DATE '0055-08-10 BC'); -- 0100-01-01 BC + date_trunc +--------------------------------- + Tue Jan 01 00:00:00 0100 PST BC +(1 row) + +SELECT DATE_TRUNC('DECADE', DATE '1993-12-25'); -- 1990-01-01 + date_trunc +------------------------------ + Mon Jan 01 00:00:00 1990 PST +(1 row) + +SELECT DATE_TRUNC('DECADE', DATE '0004-12-25'); -- 0001-01-01 BC + date_trunc +--------------------------------- + Sat Jan 01 00:00:00 0001 PST BC +(1 row) + +SELECT DATE_TRUNC('DECADE', DATE '0002-12-31 BC'); -- 0011-01-01 BC + date_trunc +--------------------------------- + Mon Jan 01 00:00:00 0011 PST BC +(1 row) + +-- +-- test infinity +-- +select 'infinity'::date, '-infinity'::date; + date | date +----------+----------- + infinity | -infinity +(1 row) + +select 'infinity'::date > 'today'::date as t; + t +--- + t +(1 row) + +select '-infinity'::date < 'today'::date as t; + t +--- + t +(1 row) + +select isfinite('infinity'::date), isfinite('-infinity'::date), isfinite('today'::date); + isfinite | isfinite | isfinite +----------+----------+---------- + f | f | t +(1 row) + +-- +-- oscillating fields from non-finite date: +-- +SELECT EXTRACT(DAY FROM DATE 'infinity'); -- NULL + extract +--------- + +(1 row) + +SELECT EXTRACT(DAY FROM DATE '-infinity'); -- NULL + extract +--------- + +(1 row) + +-- all supported fields +SELECT EXTRACT(DAY FROM DATE 'infinity'); -- NULL + extract +--------- + +(1 row) + +SELECT EXTRACT(MONTH FROM DATE 'infinity'); -- NULL + extract +--------- + +(1 row) + +SELECT EXTRACT(QUARTER FROM DATE 'infinity'); -- NULL + extract +--------- + +(1 row) + +SELECT EXTRACT(WEEK FROM DATE 'infinity'); -- NULL + extract +--------- + +(1 row) + +SELECT EXTRACT(DOW FROM DATE 'infinity'); -- NULL + extract +--------- + +(1 row) + +SELECT EXTRACT(ISODOW FROM DATE 'infinity'); -- NULL + extract +--------- + +(1 row) + +SELECT EXTRACT(DOY FROM DATE 'infinity'); -- NULL + extract +--------- + +(1 row) + +-- +-- monotonic fields from non-finite date: +-- +SELECT EXTRACT(EPOCH FROM DATE 'infinity'); -- Infinity + extract +---------- + Infinity +(1 row) + +SELECT EXTRACT(EPOCH FROM DATE '-infinity'); -- -Infinity + extract +----------- + -Infinity +(1 row) + +-- all supported fields +SELECT EXTRACT(YEAR FROM DATE 'infinity'); -- Infinity + extract +---------- + Infinity +(1 row) + +SELECT EXTRACT(DECADE FROM DATE 'infinity'); -- Infinity + extract +---------- + Infinity +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE 'infinity'); -- Infinity + extract +---------- + Infinity +(1 row) + +SELECT EXTRACT(MILLENNIUM FROM DATE 'infinity'); -- Infinity + extract +---------- + Infinity +(1 row) + +SELECT EXTRACT(JULIAN FROM DATE 'infinity'); -- Infinity + extract +---------- + Infinity +(1 row) + +SELECT EXTRACT(ISOYEAR FROM DATE 'infinity'); -- Infinity + extract +---------- + Infinity +(1 row) + +SELECT EXTRACT(EPOCH FROM DATE 'infinity'); -- Infinity + extract +---------- + Infinity +(1 row) + +-- +-- wrong fields from non-finite date: +-- +SELECT EXTRACT(MICROSEC FROM DATE 'infinity'); -- error +ERROR: unit "microsec" not recognized for type date +-- test constructors +select make_date(2013, 7, 15); + make_date +------------ + 07-15-2013 +(1 row) + +select make_date(-44, 3, 15); + make_date +--------------- + 03-15-0044 BC +(1 row) + +select make_time(8, 20, 0.0); + make_time +----------- + 08:20:00 +(1 row) + +-- should fail +select make_date(0, 7, 15); +ERROR: date field value out of range: 0-07-15 +select make_date(2013, 2, 30); +ERROR: date field value out of range: 2013-02-30 +select make_date(2013, 13, 1); +ERROR: date field value out of range: 2013-13-01 +select make_date(2013, 11, -1); +ERROR: date field value out of range: 2013-11--1 +select make_time(10, 55, 100.1); +ERROR: time field value out of range: 10:55:100.1 +select make_time(24, 0, 2.1); +ERROR: time field value out of range: 24:00:2.1 |