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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:15:05 +0000 |
commit | 46651ce6fe013220ed397add242004d764fc0153 (patch) | |
tree | 6e5299f990f88e60174a1d3ae6e48eedd2688b2b /src/test/regress/sql/interval.sql | |
parent | Initial commit. (diff) | |
download | postgresql-14-upstream.tar.xz postgresql-14-upstream.zip |
Adding upstream version 14.5.upstream/14.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/regress/sql/interval.sql')
-rw-r--r-- | src/test/regress/sql/interval.sql | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/src/test/regress/sql/interval.sql b/src/test/regress/sql/interval.sql new file mode 100644 index 0000000..6d53239 --- /dev/null +++ b/src/test/regress/sql/interval.sql @@ -0,0 +1,357 @@ +-- +-- INTERVAL +-- + +SET DATESTYLE = 'ISO'; +SET IntervalStyle to postgres; + +-- check acceptance of "time zone style" +SELECT INTERVAL '01:00' AS "One hour"; +SELECT INTERVAL '+02:00' AS "Two hours"; +SELECT INTERVAL '-08:00' AS "Eight hours"; +SELECT INTERVAL '-1 +02:03' AS "22 hours ago..."; +SELECT INTERVAL '-1 days +02:03' AS "22 hours ago..."; +SELECT INTERVAL '1.5 weeks' AS "Ten days twelve hours"; +SELECT INTERVAL '1.5 months' AS "One month 15 days"; +SELECT INTERVAL '10 years -11 month -12 days +13:14' AS "9 years..."; + +CREATE TABLE INTERVAL_TBL (f1 interval); + +INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 1 minute'); +INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 5 hour'); +INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 10 day'); +INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 34 year'); +INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 3 months'); +INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 14 seconds ago'); +INSERT INTO INTERVAL_TBL (f1) VALUES ('1 day 2 hours 3 minutes 4 seconds'); +INSERT INTO INTERVAL_TBL (f1) VALUES ('6 years'); +INSERT INTO INTERVAL_TBL (f1) VALUES ('5 months'); +INSERT INTO INTERVAL_TBL (f1) VALUES ('5 months 12 hours'); + +-- badly formatted interval +INSERT INTO INTERVAL_TBL (f1) VALUES ('badly formatted interval'); +INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 30 eons ago'); + +-- test interval operators + +SELECT * FROM INTERVAL_TBL; + +SELECT * FROM INTERVAL_TBL + WHERE INTERVAL_TBL.f1 <> interval '@ 10 days'; + +SELECT * FROM INTERVAL_TBL + WHERE INTERVAL_TBL.f1 <= interval '@ 5 hours'; + +SELECT * FROM INTERVAL_TBL + WHERE INTERVAL_TBL.f1 < interval '@ 1 day'; + +SELECT * FROM INTERVAL_TBL + WHERE INTERVAL_TBL.f1 = interval '@ 34 years'; + +SELECT * FROM INTERVAL_TBL + WHERE INTERVAL_TBL.f1 >= interval '@ 1 month'; + +SELECT * FROM INTERVAL_TBL + WHERE INTERVAL_TBL.f1 > interval '@ 3 seconds ago'; + +SELECT r1.*, r2.* + FROM INTERVAL_TBL r1, INTERVAL_TBL r2 + WHERE r1.f1 > r2.f1 + ORDER BY r1.f1, r2.f1; + +-- Test intervals that are large enough to overflow 64 bits in comparisons +CREATE TEMP TABLE INTERVAL_TBL_OF (f1 interval); +INSERT INTO INTERVAL_TBL_OF (f1) VALUES + ('2147483647 days 2147483647 months'), + ('2147483647 days -2147483648 months'), + ('1 year'), + ('-2147483648 days 2147483647 months'), + ('-2147483648 days -2147483648 months'); +-- these should fail as out-of-range +INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('2147483648 days'); +INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('-2147483649 days'); +INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('2147483647 years'); +INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('-2147483648 years'); + +-- Test edge-case overflow detection in interval multiplication +select extract(epoch from '256 microseconds'::interval * (2^55)::float8); + +SELECT r1.*, r2.* + FROM INTERVAL_TBL_OF r1, INTERVAL_TBL_OF r2 + WHERE r1.f1 > r2.f1 + ORDER BY r1.f1, r2.f1; + +CREATE INDEX ON INTERVAL_TBL_OF USING btree (f1); +SET enable_seqscan TO false; +EXPLAIN (COSTS OFF) +SELECT f1 FROM INTERVAL_TBL_OF r1 ORDER BY f1; +SELECT f1 FROM INTERVAL_TBL_OF r1 ORDER BY f1; +RESET enable_seqscan; + +DROP TABLE INTERVAL_TBL_OF; + +-- Test multiplication and division with intervals. +-- Floating point arithmetic rounding errors can lead to unexpected results, +-- though the code attempts to do the right thing and round up to days and +-- minutes to avoid results such as '3 days 24:00 hours' or '14:20:60'. +-- Note that it is expected for some day components to be greater than 29 and +-- some time components be greater than 23:59:59 due to how intervals are +-- stored internally. + +CREATE TABLE INTERVAL_MULDIV_TBL (span interval); +COPY INTERVAL_MULDIV_TBL FROM STDIN; +41 mon 12 days 360:00 +-41 mon -12 days +360:00 +-12 days +9 mon -27 days 12:34:56 +-3 years 482 days 76:54:32.189 +4 mon +14 mon +999 mon 999 days +\. + +SELECT span * 0.3 AS product +FROM INTERVAL_MULDIV_TBL; + +SELECT span * 8.2 AS product +FROM INTERVAL_MULDIV_TBL; + +SELECT span / 10 AS quotient +FROM INTERVAL_MULDIV_TBL; + +SELECT span / 100 AS quotient +FROM INTERVAL_MULDIV_TBL; + +DROP TABLE INTERVAL_MULDIV_TBL; + +SET DATESTYLE = 'postgres'; +SET IntervalStyle to postgres_verbose; + +SELECT * FROM INTERVAL_TBL; + +-- test avg(interval), which is somewhat fragile since people have been +-- known to change the allowed input syntax for type interval without +-- updating pg_aggregate.agginitval + +select avg(f1) from interval_tbl; + +-- test long interval input +select '4 millenniums 5 centuries 4 decades 1 year 4 months 4 days 17 minutes 31 seconds'::interval; + +-- test long interval output +-- Note: the actual maximum length of the interval output is longer, +-- but we need the test to work for both integer and floating-point +-- timestamps. +select '100000000y 10mon -1000000000d -100000h -10min -10.000001s ago'::interval; + +-- test justify_hours() and justify_days() + +SELECT justify_hours(interval '6 months 3 days 52 hours 3 minutes 2 seconds') as "6 mons 5 days 4 hours 3 mins 2 seconds"; +SELECT justify_days(interval '6 months 36 days 5 hours 4 minutes 3 seconds') as "7 mons 6 days 5 hours 4 mins 3 seconds"; + +-- test justify_interval() + +SELECT justify_interval(interval '1 month -1 hour') as "1 month -1 hour"; + +-- test fractional second input, and detection of duplicate units +SET DATESTYLE = 'ISO'; +SET IntervalStyle TO postgres; + +SELECT '1 millisecond'::interval, '1 microsecond'::interval, + '500 seconds 99 milliseconds 51 microseconds'::interval; +SELECT '3 days 5 milliseconds'::interval; + +SELECT '1 second 2 seconds'::interval; -- error +SELECT '10 milliseconds 20 milliseconds'::interval; -- error +SELECT '5.5 seconds 3 milliseconds'::interval; -- error +SELECT '1:20:05 5 microseconds'::interval; -- error +SELECT '1 day 1 day'::interval; -- error +SELECT interval '1-2'; -- SQL year-month literal +SELECT interval '999' second; -- oversize leading field is ok +SELECT interval '999' minute; +SELECT interval '999' hour; +SELECT interval '999' day; +SELECT interval '999' month; + +-- test SQL-spec syntaxes for restricted field sets +SELECT interval '1' year; +SELECT interval '2' month; +SELECT interval '3' day; +SELECT interval '4' hour; +SELECT interval '5' minute; +SELECT interval '6' second; +SELECT interval '1' year to month; +SELECT interval '1-2' year to month; +SELECT interval '1 2' day to hour; +SELECT interval '1 2:03' day to hour; +SELECT interval '1 2:03:04' day to hour; +SELECT interval '1 2' day to minute; +SELECT interval '1 2:03' day to minute; +SELECT interval '1 2:03:04' day to minute; +SELECT interval '1 2' day to second; +SELECT interval '1 2:03' day to second; +SELECT interval '1 2:03:04' day to second; +SELECT interval '1 2' hour to minute; +SELECT interval '1 2:03' hour to minute; +SELECT interval '1 2:03:04' hour to minute; +SELECT interval '1 2' hour to second; +SELECT interval '1 2:03' hour to second; +SELECT interval '1 2:03:04' hour to second; +SELECT interval '1 2' minute to second; +SELECT interval '1 2:03' minute to second; +SELECT interval '1 2:03:04' minute to second; +SELECT interval '1 +2:03' minute to second; +SELECT interval '1 +2:03:04' minute to second; +SELECT interval '1 -2:03' minute to second; +SELECT interval '1 -2:03:04' minute to second; +SELECT interval '123 11' day to hour; -- ok +SELECT interval '123 11' day; -- not ok +SELECT interval '123 11'; -- not ok, too ambiguous +SELECT interval '123 2:03 -2:04'; -- not ok, redundant hh:mm fields + +-- test syntaxes for restricted precision +SELECT interval(0) '1 day 01:23:45.6789'; +SELECT interval(2) '1 day 01:23:45.6789'; +SELECT interval '12:34.5678' minute to second(2); -- per SQL spec +SELECT interval '1.234' second; +SELECT interval '1.234' second(2); +SELECT interval '1 2.345' day to second(2); +SELECT interval '1 2:03' day to second(2); +SELECT interval '1 2:03.4567' day to second(2); +SELECT interval '1 2:03:04.5678' day to second(2); +SELECT interval '1 2.345' hour to second(2); +SELECT interval '1 2:03.45678' hour to second(2); +SELECT interval '1 2:03:04.5678' hour to second(2); +SELECT interval '1 2.3456' minute to second(2); +SELECT interval '1 2:03.5678' minute to second(2); +SELECT interval '1 2:03:04.5678' minute to second(2); + +-- test casting to restricted precision (bug #14479) +SELECT f1, f1::INTERVAL DAY TO MINUTE AS "minutes", + (f1 + INTERVAL '1 month')::INTERVAL MONTH::INTERVAL YEAR AS "years" + FROM interval_tbl; + +-- test inputting and outputting SQL standard interval literals +SET IntervalStyle TO sql_standard; +SELECT interval '0' AS "zero", + interval '1-2' year to month AS "year-month", + interval '1 2:03:04' day to second AS "day-time", + - interval '1-2' AS "negative year-month", + - interval '1 2:03:04' AS "negative day-time"; + +-- test input of some not-quite-standard interval values in the sql style +SET IntervalStyle TO postgres; +SELECT interval '+1 -1:00:00', + interval '-1 +1:00:00', + interval '+1-2 -3 +4:05:06.789', + interval '-1-2 +3 -4:05:06.789'; + +-- test output of couple non-standard interval values in the sql style +SET IntervalStyle TO sql_standard; +SELECT interval '1 day -1 hours', + interval '-1 days +1 hours', + interval '1 years 2 months -3 days 4 hours 5 minutes 6.789 seconds', + - interval '1 years 2 months -3 days 4 hours 5 minutes 6.789 seconds'; + +-- test outputting iso8601 intervals +SET IntervalStyle to iso_8601; +select interval '0' AS "zero", + interval '1-2' AS "a year 2 months", + interval '1 2:03:04' AS "a bit over a day", + interval '2:03:04.45679' AS "a bit over 2 hours", + (interval '1-2' + interval '3 4:05:06.7') AS "all fields", + (interval '1-2' - interval '3 4:05:06.7') AS "mixed sign", + (- interval '1-2' + interval '3 4:05:06.7') AS "negative"; + +-- test inputting ISO 8601 4.4.2.1 "Format With Time Unit Designators" +SET IntervalStyle to sql_standard; +select interval 'P0Y' AS "zero", + interval 'P1Y2M' AS "a year 2 months", + interval 'P1W' AS "a week", + interval 'P1DT2H3M4S' AS "a bit over a day", + interval 'P1Y2M3DT4H5M6.7S' AS "all fields", + interval 'P-1Y-2M-3DT-4H-5M-6.7S' AS "negative", + interval 'PT-0.1S' AS "fractional second"; + +-- test inputting ISO 8601 4.4.2.2 "Alternative Format" +SET IntervalStyle to postgres; +select interval 'P00021015T103020' AS "ISO8601 Basic Format", + interval 'P0002-10-15T10:30:20' AS "ISO8601 Extended Format"; + +-- Make sure optional ISO8601 alternative format fields are optional. +select interval 'P0002' AS "year only", + interval 'P0002-10' AS "year month", + interval 'P0002-10-15' AS "year month day", + interval 'P0002T1S' AS "year only plus time", + interval 'P0002-10T1S' AS "year month plus time", + interval 'P0002-10-15T1S' AS "year month day plus time", + interval 'PT10' AS "hour only", + interval 'PT10:30' AS "hour minute"; + +-- test a couple rounding cases that changed since 8.3 w/ HAVE_INT64_TIMESTAMP. +SET IntervalStyle to postgres_verbose; +select interval '-10 mons -3 days +03:55:06.70'; +select interval '1 year 2 mons 3 days 04:05:06.699999'; +select interval '0:0:0.7', interval '@ 0.70 secs', interval '0.7 seconds'; + +-- check that '30 days' equals '1 month' according to the hash function +select '30 days'::interval = '1 month'::interval as t; +select interval_hash('30 days'::interval) = interval_hash('1 month'::interval) as t; + +-- numeric constructor +select make_interval(years := 2); +select make_interval(years := 1, months := 6); +select make_interval(years := 1, months := -1, weeks := 5, days := -7, hours := 25, mins := -180); + +select make_interval() = make_interval(years := 0, months := 0, weeks := 0, days := 0, mins := 0, secs := 0.0); +select make_interval(hours := -2, mins := -10, secs := -25.3); + +select make_interval(years := 'inf'::float::int); +select make_interval(months := 'NaN'::float::int); +select make_interval(secs := 'inf'); +select make_interval(secs := 'NaN'); +select make_interval(secs := 7e12); + +-- +-- test EXTRACT +-- +SELECT f1, + EXTRACT(MICROSECOND FROM f1) AS MICROSECOND, + EXTRACT(MILLISECOND FROM f1) AS MILLISECOND, + EXTRACT(SECOND FROM f1) AS SECOND, + EXTRACT(MINUTE FROM f1) AS MINUTE, + EXTRACT(HOUR FROM f1) AS HOUR, + EXTRACT(DAY FROM f1) AS DAY, + EXTRACT(MONTH FROM f1) AS MONTH, + EXTRACT(QUARTER FROM f1) AS QUARTER, + EXTRACT(YEAR FROM f1) AS YEAR, + EXTRACT(DECADE FROM f1) AS DECADE, + EXTRACT(CENTURY FROM f1) AS CENTURY, + EXTRACT(MILLENNIUM FROM f1) AS MILLENNIUM, + EXTRACT(EPOCH FROM f1) AS EPOCH + FROM INTERVAL_TBL; + +SELECT EXTRACT(FORTNIGHT FROM INTERVAL '2 days'); -- error +SELECT EXTRACT(TIMEZONE FROM INTERVAL '2 days'); -- error + +SELECT EXTRACT(DECADE FROM INTERVAL '100 y'); +SELECT EXTRACT(DECADE FROM INTERVAL '99 y'); +SELECT EXTRACT(DECADE FROM INTERVAL '-99 y'); +SELECT EXTRACT(DECADE FROM INTERVAL '-100 y'); + +SELECT EXTRACT(CENTURY FROM INTERVAL '100 y'); +SELECT EXTRACT(CENTURY FROM INTERVAL '99 y'); +SELECT EXTRACT(CENTURY FROM INTERVAL '-99 y'); +SELECT EXTRACT(CENTURY FROM INTERVAL '-100 y'); + +-- date_part implementation is mostly the same as extract, so only +-- test a few cases for additional coverage. +SELECT f1, + date_part('microsecond', f1) AS microsecond, + date_part('millisecond', f1) AS millisecond, + date_part('second', f1) AS second, + date_part('epoch', f1) AS epoch + FROM INTERVAL_TBL; + +-- internal overflow test case +SELECT extract(epoch from interval '1000000000 days'); |