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postgresql/src/test/regress/sql/date.sql

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Add regression tests for date, time, and time with time zone types. Modify date->timestamp conversion to use mktime(). This should do better than before around Daylight Savings Time transitions.
2000-09-12 07:42:20 +02:00
--
-- 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');
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;
SELECT f1 AS "Nine" FROM DATE_TBL WHERE f1 < '2000-01-01';
SELECT f1 AS "Three" FROM DATE_TBL
WHERE f1 BETWEEN '2000-01-01' AND '2001-01-01';
Fix datetime input parsing to accept YYYY-MONTHNAME-DD and related syntaxes, which had been unintentionally broken by recent changes to tighten up the DateStyle rules for all-numeric date input. Add documentation and regression tests for this, too.
2003-11-16 21:29:16 +01:00
--
-- Check all the documented input formats
--
SET datestyle TO iso; -- display results in ISO
SET datestyle TO ymd;
SELECT date 'January 8, 1999';
SELECT date '1999-01-08';
SELECT date '1999-01-18';
SELECT date '1/8/1999';
SELECT date '1/18/1999';
SELECT date '18/1/1999';
SELECT date '01/02/03';
SELECT date '19990108';
SELECT date '990108';
SELECT date '1999.008';
SELECT date 'J2451187';
SELECT date 'January 8, 99 BC';
SELECT date '99-Jan-08';
SELECT date '1999-Jan-08';
SELECT date '08-Jan-99';
SELECT date '08-Jan-1999';
SELECT date 'Jan-08-99';
SELECT date 'Jan-08-1999';
SELECT date '99-08-Jan';
SELECT date '1999-08-Jan';
SELECT date '99 Jan 08';
SELECT date '1999 Jan 08';
SELECT date '08 Jan 99';
SELECT date '08 Jan 1999';
SELECT date 'Jan 08 99';
SELECT date 'Jan 08 1999';
SELECT date '99 08 Jan';
SELECT date '1999 08 Jan';
SELECT date '99-01-08';
SELECT date '1999-01-08';
SELECT date '08-01-99';
SELECT date '08-01-1999';
SELECT date '01-08-99';
SELECT date '01-08-1999';
SELECT date '99-08-01';
SELECT date '1999-08-01';
SELECT date '99 01 08';
SELECT date '1999 01 08';
SELECT date '08 01 99';
SELECT date '08 01 1999';
SELECT date '01 08 99';
SELECT date '01 08 1999';
SELECT date '99 08 01';
SELECT date '1999 08 01';
SET datestyle TO dmy;
SELECT date 'January 8, 1999';
SELECT date '1999-01-08';
SELECT date '1999-01-18';
SELECT date '1/8/1999';
SELECT date '1/18/1999';
SELECT date '18/1/1999';
SELECT date '01/02/03';
SELECT date '19990108';
SELECT date '990108';
SELECT date '1999.008';
SELECT date 'J2451187';
SELECT date 'January 8, 99 BC';
SELECT date '99-Jan-08';
SELECT date '1999-Jan-08';
SELECT date '08-Jan-99';
SELECT date '08-Jan-1999';
SELECT date 'Jan-08-99';
SELECT date 'Jan-08-1999';
SELECT date '99-08-Jan';
SELECT date '1999-08-Jan';
SELECT date '99 Jan 08';
SELECT date '1999 Jan 08';
SELECT date '08 Jan 99';
SELECT date '08 Jan 1999';
SELECT date 'Jan 08 99';
SELECT date 'Jan 08 1999';
SELECT date '99 08 Jan';
SELECT date '1999 08 Jan';
SELECT date '99-01-08';
SELECT date '1999-01-08';
SELECT date '08-01-99';
SELECT date '08-01-1999';
SELECT date '01-08-99';
SELECT date '01-08-1999';
SELECT date '99-08-01';
SELECT date '1999-08-01';
SELECT date '99 01 08';
SELECT date '1999 01 08';
SELECT date '08 01 99';
SELECT date '08 01 1999';
SELECT date '01 08 99';
SELECT date '01 08 1999';
SELECT date '99 08 01';
SELECT date '1999 08 01';
SET datestyle TO mdy;
SELECT date 'January 8, 1999';
SELECT date '1999-01-08';
SELECT date '1999-01-18';
SELECT date '1/8/1999';
SELECT date '1/18/1999';
SELECT date '18/1/1999';
SELECT date '01/02/03';
SELECT date '19990108';
SELECT date '990108';
SELECT date '1999.008';
SELECT date 'J2451187';
SELECT date 'January 8, 99 BC';
SELECT date '99-Jan-08';
SELECT date '1999-Jan-08';
SELECT date '08-Jan-99';
SELECT date '08-Jan-1999';
SELECT date 'Jan-08-99';
SELECT date 'Jan-08-1999';
SELECT date '99-08-Jan';
SELECT date '1999-08-Jan';
SELECT date '99 Jan 08';
SELECT date '1999 Jan 08';
SELECT date '08 Jan 99';
SELECT date '08 Jan 1999';
SELECT date 'Jan 08 99';
SELECT date 'Jan 08 1999';
SELECT date '99 08 Jan';
SELECT date '1999 08 Jan';
SELECT date '99-01-08';
SELECT date '1999-01-08';
SELECT date '08-01-99';
SELECT date '08-01-1999';
SELECT date '01-08-99';
SELECT date '01-08-1999';
SELECT date '99-08-01';
SELECT date '1999-08-01';
SELECT date '99 01 08';
SELECT date '1999 01 08';
SELECT date '08 01 99';
SELECT date '08 01 1999';
SELECT date '01 08 99';
SELECT date '01 08 1999';
SELECT date '99 08 01';
SELECT date '1999 08 01';
RESET datestyle;
Add regression tests for date, time, and time with time zone types. Modify date->timestamp conversion to use mktime(). This should do better than before around Daylight Savings Time transitions.
2000-09-12 07:42:20 +02:00
--
-- Simple math
-- Leave most of it for the horology tests
--
SELECT f1 - date '2000-01-01' AS "Days From 2K" FROM DATE_TBL;
SELECT f1 - date 'epoch' AS "Days From Epoch" FROM DATE_TBL;
SELECT date 'yesterday' - date 'today' AS "One day";
SELECT date 'today' - date 'tomorrow' AS "One day";
SELECT date 'yesterday' - date 'tomorrow' AS "Two days";
SELECT date 'tomorrow' - date 'today' AS "One day";
SELECT date 'today' - date 'yesterday' AS "One day";
SELECT date 'tomorrow' - date 'yesterday' AS "Two days";