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--
-- HOROLOGY
--
-- needed so tests pass even in Australia
SET australian_timezones = 'off';
SET DateStyle = 'Postgres,US';
--
-- date, time arithmetic
--
SELECT date '1981-02-03' + time '04:05:06' AS "Date + Time";
SELECT date '1991-02-03' + time with time zone '04:05:06 PST' AS "Date + Time PST";
SELECT date '2001-02-03' + time with time zone '04:05:06 UTC' AS "Date + Time UTC";
SELECT date '1991-02-03' + interval '2 years' AS "Add Two Years";
SELECT date '2001-12-13' - interval '2 years' AS "Subtract Two Years";
-- subtract time from date should not make sense; use interval instead
SELECT date '1991-02-03' - time '04:05:06' AS "Subtract Time";
SELECT date '1991-02-03' - time with time zone '04:05:06 UTC' AS "Subtract Time UTC";
--
-- timestamp, interval arithmetic
--
SELECT timestamp without time zone '1996-03-01' - interval '1 second' AS "Feb 29";
SELECT timestamp without time zone '1999-03-01' - interval '1 second' AS "Feb 28";
SELECT timestamp without time zone '2000-03-01' - interval '1 second' AS "Feb 29";
SELECT timestamp without time zone '1999-12-01' + interval '1 month - 1 second' AS "Dec 31";
-- Shorthand values
-- Not directly usable for regression testing since these are not constants.
-- So, just try to test parser and hope for the best - thomas 97/04/26
SELECT (timestamp without time zone 'today' = (timestamp without time zone 'yesterday' + interval '1 day')) as "True";
SELECT (timestamp without time zone 'today' = (timestamp without time zone 'tomorrow' - interval '1 day')) as "True";
SELECT (timestamp without time zone 'tomorrow' = (timestamp without time zone 'yesterday' + interval '2 days')) as "True";
SELECT (timestamp without time zone 'tomorrow' > 'now') as "True";
SELECT timestamp(date '1994-01-01', time '11:00') AS "Jan_01_1994_11am";
SELECT timestamp(date '1994-01-01', time '10:00') AS "Jan_01_1994_10am";
SELECT timestamp(date '1994-01-01', time '11:00-5') AS "Jan_01_1994_8am";
SELECT timestamp(date '1994-01-01', time with time zone '11:00-5') AS "Jan_01_1994_11am";
SELECT '' AS "64", d1 + interval '1 year' AS one_year FROM TIMESTAMP_TBL;
SELECT '' AS "64", d1 - interval '1 year' AS one_year FROM TIMESTAMP_TBL;
SELECT timestamp with time zone '1996-03-01' - interval '1 second' AS "Feb 29";
SELECT timestamp with time zone '1999-03-01' - interval '1 second' AS "Feb 28";
SELECT timestamp with time zone '2000-03-01' - interval '1 second' AS "Feb 29";
SELECT timestamp with time zone '1999-12-01' + interval '1 month - 1 second' AS "Dec 31";
SELECT (timestamp with time zone 'today' = (timestamp with time zone 'yesterday' + interval '1 day')) as "True";
SELECT (timestamp with time zone 'today' = (timestamp with time zone 'tomorrow' - interval '1 day')) as "True";
SELECT (timestamp with time zone 'tomorrow' = (timestamp with time zone 'yesterday' + interval '2 days')) as "True";
SELECT (timestamp with time zone 'tomorrow' > 'now') as "True";
SELECT timestamptz(date '1994-01-01', time '11:00') AS "Jan_01_1994_10am";
SELECT timestamptz(date '1994-01-01', time '10:00') AS "Jan_01_1994_9am";
SELECT timestamptz(date '1994-01-01', time with time zone '11:00-8') AS "Jan_01_1994_11am";
SELECT timestamptz(date '1994-01-01', time with time zone '10:00-8') AS "Jan_01_1994_10am";
SELECT timestamptz(date '1994-01-01', time with time zone '11:00-5') AS "Jan_01_1994_8am";
SELECT '' AS "64", d1 + interval '1 year' AS one_year FROM TIMESTAMPTZ_TBL;
SELECT '' AS "64", d1 - interval '1 year' AS one_year FROM TIMESTAMPTZ_TBL;
--
-- time, interval arithmetic
--
SELECT CAST(time '01:02' AS interval) AS "+01:02";
SELECT CAST(interval '02:03' AS time) AS "02:03:00";
SELECT time '01:30' + interval '02:01' AS "03:31:00";
SELECT time '01:30' - interval '02:01' AS "23:29:00";
SELECT time '02:30' + interval '36:01' AS "14:31:00";
SELECT time '03:30' + interval '1 month 04:01' AS "07:31:00";
SELECT interval '04:30' - time '01:02' AS "20:32:00";
SELECT CAST(time with time zone '01:02-08' AS interval) AS "+00:01";
SELECT CAST(interval '02:03' AS time with time zone) AS "02:03:00-08";
SELECT time with time zone '01:30-08' - interval '02:01' AS "23:29:00-08";
SELECT time with time zone '02:30-08' + interval '36:01' AS "14:31:00-08";
-- These two tests cannot be used because they default to current timezone,
-- which may be either -08 or -07 depending on the time of year.
-- SELECT time with time zone '01:30' + interval '02:01' AS "03:31:00-08";
-- SELECT time with time zone '03:30' + interval '1 month 04:01' AS "07:31:00-08";
-- Try the following two tests instead, as a poor substitute
SELECT CAST(CAST(date 'today' + time with time zone '01:30'
+ interval '02:01' AS time with time zone) AS time) AS "03:31:00";
SELECT CAST(cast(date 'today' + time with time zone '03:30-08'
+ interval '1 month 04:01' as timestamp without time zone) AS time) AS "07:31:00";
SELECT interval '04:30' - time with time zone '01:02-05' AS "20:32:00-05";
SELECT t.d1 + i.f1 AS "102" FROM TIMESTAMP_TBL t, INTERVAL_TBL i
WHERE t.d1 BETWEEN '1990-01-01' AND '2001-01-01'
AND i.f1 BETWEEN '00:00' AND '23:00';
SELECT t.d1 - i.f1 AS "102" FROM TIMESTAMP_TBL t, INTERVAL_TBL i
WHERE t.d1 BETWEEN '1990-01-01' AND '2001-01-01'
AND i.f1 BETWEEN '00:00' AND '23:00';
SELECT t.f1 + i.f1 AS "80" FROM TIME_TBL t, INTERVAL_TBL i;
SELECT t.f1 - i.f1 AS "80" FROM TIME_TBL t, INTERVAL_TBL i;
SELECT t.f1 + i.f1 AS "100" FROM TIMETZ_TBL t, INTERVAL_TBL i;
SELECT t.f1 - i.f1 AS "100" FROM TIMETZ_TBL t, INTERVAL_TBL i;
-- SQL9x OVERLAPS operator
-- test with time zone
SELECT (timestamp with time zone '2000-11-27', timestamp with time zone '2000-11-28')
OVERLAPS (timestamp with time zone '2000-11-27 12:00', timestamp with time zone '2000-11-30') AS "True";
SELECT (timestamp with time zone '2000-11-26', timestamp with time zone '2000-11-27')
OVERLAPS (timestamp with time zone '2000-11-27 12:00', timestamp with time zone '2000-11-30') AS "False";
SELECT (timestamp with time zone '2000-11-27', timestamp with time zone '2000-11-28')
OVERLAPS (timestamp with time zone '2000-11-27 12:00', interval '1 day') AS "True";
SELECT (timestamp with time zone '2000-11-27', interval '12 hours')
OVERLAPS (timestamp with time zone '2000-11-27 12:00', timestamp with time zone '2000-11-30') AS "False";
SELECT (timestamp with time zone '2000-11-27', interval '12 hours')
OVERLAPS (timestamp with time zone '2000-11-27', interval '12 hours') AS "True";
SELECT (timestamp with time zone '2000-11-27', interval '12 hours')
OVERLAPS (timestamp with time zone '2000-11-27 12:00', interval '12 hours') AS "False";
-- test without time zone
SELECT (timestamp without time zone '2000-11-27', timestamp without time zone '2000-11-28')
OVERLAPS (timestamp without time zone '2000-11-27 12:00', timestamp without time zone '2000-11-30') AS "True";
SELECT (timestamp without time zone '2000-11-26', timestamp without time zone '2000-11-27')
OVERLAPS (timestamp without time zone '2000-11-27 12:00', timestamp without time zone '2000-11-30') AS "False";
SELECT (timestamp without time zone '2000-11-27', timestamp without time zone '2000-11-28')
OVERLAPS (timestamp without time zone '2000-11-27 12:00', interval '1 day') AS "True";
SELECT (timestamp without time zone '2000-11-27', interval '12 hours')
OVERLAPS (timestamp without time zone '2000-11-27 12:00', timestamp without time zone '2000-11-30') AS "False";
SELECT (timestamp without time zone '2000-11-27', interval '12 hours')
OVERLAPS (timestamp without time zone '2000-11-27', interval '12 hours') AS "True";
SELECT (timestamp without time zone '2000-11-27', interval '12 hours')
OVERLAPS (timestamp without time zone '2000-11-27 12:00', interval '12 hours') AS "False";
-- test time and interval
SELECT (time '00:00', time '01:00')
OVERLAPS (time '00:30', time '01:30') AS "True";
SELECT (time '00:00', interval '1 hour')
OVERLAPS (time '00:30', interval '1 hour') AS "True";
SELECT (time '00:00', interval '1 hour')
OVERLAPS (time '01:30', interval '1 hour') AS "False";
-- SQL99 seems to want this to be false (and we conform to the spec).
-- istm that this *should* return true, on the theory that time
-- intervals can wrap around the day boundary - thomas 2001-09-25
SELECT (time '00:00', interval '1 hour')
OVERLAPS (time '01:30', interval '1 day') AS "False";
CREATE TABLE TEMP_TIMESTAMP (f1 timestamp);
-- get some candidate input values
INSERT INTO TEMP_TIMESTAMP (f1)
SELECT d1 FROM TIMESTAMP_TBL
WHERE d1 BETWEEN '13-jun-1957' AND '1-jan-1997'
OR d1 BETWEEN '1-jan-1999' AND '1-jan-2010';
SELECT '' AS "16", f1 AS timestamp
FROM TEMP_TIMESTAMP
ORDER BY timestamp;
SELECT '' AS "160", d.f1 AS timestamp, t.f1 AS interval, d.f1 + t.f1 AS plus
FROM TEMP_TIMESTAMP d, INTERVAL_TBL t
ORDER BY plus, timestamp, interval;
SELECT '' AS "160", d.f1 AS timestamp, t.f1 AS interval, d.f1 - t.f1 AS minus
FROM TEMP_TIMESTAMP d, INTERVAL_TBL t
WHERE isfinite(d.f1)
ORDER BY minus, timestamp, interval;
SELECT '' AS "16", d.f1 AS timestamp, timestamp '1980-01-06 00:00 GMT' AS gpstime_zero,
d.f1 - timestamp '1980-01-06 00:00 GMT' AS difference
FROM TEMP_TIMESTAMP d
ORDER BY difference;
SELECT '' AS "226", d1.f1 AS timestamp1, d2.f1 AS timestamp2, d1.f1 - d2.f1 AS difference
FROM TEMP_TIMESTAMP d1, TEMP_TIMESTAMP d2
ORDER BY timestamp1, timestamp2, difference;
SELECT '' as "55", d1 as timestamp,
date_part('year', d1) AS year, date_part('month', d1) AS month,
date_part('day',d1) AS day, date_part('hour', d1) AS hour,
date_part('minute', d1) AS minute, date_part('second', d1) AS second
FROM TIMESTAMP_TBL
WHERE isfinite(d1) and d1 >= '1-jan-1900 GMT'
ORDER BY timestamp;
--
-- abstime, reltime arithmetic
--
SELECT '' AS ten, ABSTIME_TBL.f1 AS abstime, RELTIME_TBL.f1 AS reltime
WHERE (ABSTIME_TBL.f1 + RELTIME_TBL.f1) < abstime 'Jan 14 14:00:00 1971'
ORDER BY abstime, reltime;
-- these four queries should return the same answer
-- the "infinity" and "-infinity" tuples in ABSTIME_TBL cannot be added and
-- therefore, should not show up in the results.
SELECT '' AS three, ABSTIME_TBL.*
WHERE (ABSTIME_TBL.f1 + reltime '@ 3 year') -- +3 years
< abstime 'Jan 14 14:00:00 1977';
SELECT '' AS three, ABSTIME_TBL.*
WHERE (ABSTIME_TBL.f1 + reltime '@ 3 year ago') -- -3 years
< abstime 'Jan 14 14:00:00 1971';
SELECT '' AS three, ABSTIME_TBL.*
WHERE (ABSTIME_TBL.f1 - reltime '@ 3 year') -- -(+3) years
< abstime 'Jan 14 14:00:00 1971';
SELECT '' AS three, ABSTIME_TBL.*
WHERE (ABSTIME_TBL.f1 - reltime '@ 3 year ago') -- -(-3) years
< abstime 'Jan 14 14:00:00 1977';
--
-- Conversions
--
SELECT '' AS "16", f1 AS timestamp, date(f1) AS date
FROM TEMP_TIMESTAMP
WHERE f1 <> timestamp 'current'
ORDER BY date, timestamp;
SELECT '' AS "16", f1 AS timestamp, abstime(f1) AS abstime
FROM TEMP_TIMESTAMP
ORDER BY abstime;
SELECT '' AS four, f1 AS abstime, date(f1) AS date
FROM ABSTIME_TBL
WHERE isfinite(f1) AND f1 <> abstime 'current'
ORDER BY date, abstime;
SELECT '' AS two, d1 AS timestamp, abstime(d1) AS abstime
FROM TIMESTAMP_TBL WHERE NOT isfinite(d1);
SELECT '' AS three, f1 as abstime, timestamp(f1) AS timestamp
FROM ABSTIME_TBL WHERE NOT isfinite(f1);
SELECT '' AS ten, f1 AS interval, reltime(f1) AS reltime
FROM INTERVAL_TBL;
SELECT '' AS six, f1 as reltime, interval(f1) AS interval
FROM RELTIME_TBL;
DROP TABLE TEMP_TIMESTAMP;
--
-- Formats
--
SET DateStyle TO 'US,Postgres';
SHOW DateStyle;
SELECT '' AS "64", d1 AS us_postgres FROM TIMESTAMP_TBL;
SELECT '' AS seven, f1 AS us_postgres FROM ABSTIME_TBL;
SET DateStyle TO 'US,ISO';
SELECT '' AS "64", d1 AS us_iso FROM TIMESTAMP_TBL;
SELECT '' AS seven, f1 AS us_iso FROM ABSTIME_TBL;
SET DateStyle TO 'US,SQL';
SHOW DateStyle;
SELECT '' AS "64", d1 AS us_sql FROM TIMESTAMP_TBL;
SELECT '' AS seven, f1 AS us_sql FROM ABSTIME_TBL;
SET DateStyle TO 'European,Postgres';
SHOW DateStyle;
INSERT INTO TIMESTAMP_TBL VALUES('13/06/1957');
SELECT count(*) as one FROM TIMESTAMP_TBL WHERE d1 = 'Jun 13 1957';
SELECT '' AS "65", d1 AS european_postgres FROM TIMESTAMP_TBL;
SELECT '' AS seven, f1 AS european_postgres FROM ABSTIME_TBL;
SET DateStyle TO 'European,ISO';
SHOW DateStyle;
SELECT '' AS "65", d1 AS european_iso FROM TIMESTAMP_TBL;
SELECT '' AS seven, f1 AS european_iso FROM ABSTIME_TBL;
SET DateStyle TO 'European,SQL';
SHOW DateStyle;
SELECT '' AS "65", d1 AS european_sql FROM TIMESTAMP_TBL;
SELECT '' AS seven, f1 AS european_sql FROM ABSTIME_TBL;
RESET DateStyle;