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Diffstat (limited to 'src/test/regress/expected/date.out')
| -rw-r--r-- | src/test/regress/expected/date.out | 1476 |
1 files changed, 1476 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..4686d0d --- /dev/null +++ b/src/test/regress/expected/date.out @@ -0,0 +1,1476 @@ +-- +-- 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'); +SELECT f1 AS "Fifteen" FROM DATE_TBL; + Fifteen +------------ + 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 +(15 rows) + +SELECT f1 AS "Nine" FROM DATE_TBL WHERE f1 < '2000-01-01'; + Nine +------------ + 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 +(9 rows) + +SELECT f1 AS "Three" FROM DATE_TBL + WHERE f1 BETWEEN '2000-01-01' AND '2001-01-01'; + Three +------------ + 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 +(15 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 +(15 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! +-- +-- epoch +-- +SELECT EXTRACT(EPOCH FROM DATE '1970-01-01'); -- 0 + date_part +----------- + 0 +(1 row) + +SELECT EXTRACT(EPOCH FROM TIMESTAMP '1970-01-01'); -- 0 + date_part +----------- + 0 +(1 row) + +SELECT EXTRACT(EPOCH FROM TIMESTAMPTZ '1970-01-01+00'); -- 0 + date_part +----------- + 0 +(1 row) + +-- +-- century +-- +SELECT EXTRACT(CENTURY FROM DATE '0101-12-31 BC'); -- -2 + date_part +----------- + -2 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '0100-12-31 BC'); -- -1 + date_part +----------- + -1 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '0001-12-31 BC'); -- -1 + date_part +----------- + -1 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '0001-01-01'); -- 1 + date_part +----------- + 1 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '0001-01-01 AD'); -- 1 + date_part +----------- + 1 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '1900-12-31'); -- 19 + date_part +----------- + 19 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '1901-01-01'); -- 20 + date_part +----------- + 20 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '2000-12-31'); -- 20 + date_part +----------- + 20 +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE '2001-01-01'); -- 21 + date_part +----------- + 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 + date_part +----------- + -1 +(1 row) + +SELECT EXTRACT(MILLENNIUM FROM DATE '0001-01-01 AD'); -- 1 + date_part +----------- + 1 +(1 row) + +SELECT EXTRACT(MILLENNIUM FROM DATE '1000-12-31'); -- 1 + date_part +----------- + 1 +(1 row) + +SELECT EXTRACT(MILLENNIUM FROM DATE '1001-01-01'); -- 2 + date_part +----------- + 2 +(1 row) + +SELECT EXTRACT(MILLENNIUM FROM DATE '2000-12-31'); -- 2 + date_part +----------- + 2 +(1 row) + +SELECT EXTRACT(MILLENNIUM FROM DATE '2001-01-01'); -- 3 + date_part +----------- + 3 +(1 row) + +-- next test to be fixed on the turn of the next millennium;-) +SELECT EXTRACT(MILLENNIUM FROM CURRENT_DATE); -- 3 + date_part +----------- + 3 +(1 row) + +-- +-- decade +-- +SELECT EXTRACT(DECADE FROM DATE '1994-12-25'); -- 199 + date_part +----------- + 199 +(1 row) + +SELECT EXTRACT(DECADE FROM DATE '0010-01-01'); -- 1 + date_part +----------- + 1 +(1 row) + +SELECT EXTRACT(DECADE FROM DATE '0009-12-31'); -- 0 + date_part +----------- + 0 +(1 row) + +SELECT EXTRACT(DECADE FROM DATE '0001-01-01 BC'); -- 0 + date_part +----------- + 0 +(1 row) + +SELECT EXTRACT(DECADE FROM DATE '0002-12-31 BC'); -- -1 + date_part +----------- + -1 +(1 row) + +SELECT EXTRACT(DECADE FROM DATE '0011-01-01 BC'); -- -1 + date_part +----------- + -1 +(1 row) + +SELECT EXTRACT(DECADE FROM DATE '0012-12-31 BC'); -- -2 + date_part +----------- + -2 +(1 row) + +-- +-- some other types: +-- +-- on a timestamp. +SELECT EXTRACT(CENTURY FROM NOW())>=21 AS True; -- true + true +------ + t +(1 row) + +SELECT EXTRACT(CENTURY FROM TIMESTAMP '1970-03-20 04:30:00.00000'); -- 20 + date_part +----------- + 20 +(1 row) + +-- on an interval +SELECT EXTRACT(CENTURY FROM INTERVAL '100 y'); -- 1 + date_part +----------- + 1 +(1 row) + +SELECT EXTRACT(CENTURY FROM INTERVAL '99 y'); -- 0 + date_part +----------- + 0 +(1 row) + +SELECT EXTRACT(CENTURY FROM INTERVAL '-99 y'); -- 0 + date_part +----------- + 0 +(1 row) + +SELECT EXTRACT(CENTURY FROM INTERVAL '-100 y'); -- -1 + date_part +----------- + -1 +(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/timestamptz: +-- +SELECT EXTRACT(HOUR FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(HOUR FROM DATE '-infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(HOUR FROM TIMESTAMP 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(HOUR FROM TIMESTAMP '-infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(HOUR FROM TIMESTAMPTZ 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(HOUR FROM TIMESTAMPTZ '-infinity'); -- NULL + date_part +----------- + +(1 row) + +-- all possible fields +SELECT EXTRACT(MICROSECONDS FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(MILLISECONDS FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(SECOND FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(MINUTE FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(HOUR FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(DAY FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(MONTH FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(QUARTER FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(WEEK FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(DOW FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(ISODOW FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(DOY FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(TIMEZONE FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(TIMEZONE_M FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +SELECT EXTRACT(TIMEZONE_H FROM DATE 'infinity'); -- NULL + date_part +----------- + +(1 row) + +-- +-- monotonic fields from non-finite date/timestamptz: +-- +SELECT EXTRACT(EPOCH FROM DATE 'infinity'); -- Infinity + date_part +----------- + Infinity +(1 row) + +SELECT EXTRACT(EPOCH FROM DATE '-infinity'); -- -Infinity + date_part +----------- + -Infinity +(1 row) + +SELECT EXTRACT(EPOCH FROM TIMESTAMP 'infinity'); -- Infinity + date_part +----------- + Infinity +(1 row) + +SELECT EXTRACT(EPOCH FROM TIMESTAMP '-infinity'); -- -Infinity + date_part +----------- + -Infinity +(1 row) + +SELECT EXTRACT(EPOCH FROM TIMESTAMPTZ 'infinity'); -- Infinity + date_part +----------- + Infinity +(1 row) + +SELECT EXTRACT(EPOCH FROM TIMESTAMPTZ '-infinity'); -- -Infinity + date_part +----------- + -Infinity +(1 row) + +-- all possible fields +SELECT EXTRACT(YEAR FROM DATE 'infinity'); -- Infinity + date_part +----------- + Infinity +(1 row) + +SELECT EXTRACT(DECADE FROM DATE 'infinity'); -- Infinity + date_part +----------- + Infinity +(1 row) + +SELECT EXTRACT(CENTURY FROM DATE 'infinity'); -- Infinity + date_part +----------- + Infinity +(1 row) + +SELECT EXTRACT(MILLENNIUM FROM DATE 'infinity'); -- Infinity + date_part +----------- + Infinity +(1 row) + +SELECT EXTRACT(JULIAN FROM DATE 'infinity'); -- Infinity + date_part +----------- + Infinity +(1 row) + +SELECT EXTRACT(ISOYEAR FROM DATE 'infinity'); -- Infinity + date_part +----------- + Infinity +(1 row) + +SELECT EXTRACT(EPOCH FROM DATE 'infinity'); -- Infinity + date_part +----------- + Infinity +(1 row) + +-- +-- wrong fields from non-finite date: +-- +SELECT EXTRACT(MICROSEC FROM DATE 'infinity'); -- ERROR: timestamp units "microsec" not recognized +ERROR: timestamp units "microsec" not recognized +CONTEXT: SQL function "date_part" statement 1 +-- 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(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 |