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Diffstat (limited to '')
| -rw-r--r-- | src/test/regress/sql/interval.sql | 592 |
1 files changed, 592 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..040268d --- /dev/null +++ b/src/test/regress/sql/interval.sql @@ -0,0 +1,592 @@ +-- +-- 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 non-error-throwing API +SELECT pg_input_is_valid('1.5 weeks', 'interval'); +SELECT pg_input_is_valid('garbage', 'interval'); +SELECT pg_input_is_valid('@ 30 eons ago', 'interval'); +SELECT * FROM pg_input_error_info('garbage', 'interval'); +SELECT * FROM pg_input_error_info('@ 30 eons ago', 'interval'); + +-- 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; + +-- multiplication and division overflow test cases +SELECT '3000000 months'::interval * 1000; +SELECT '3000000 months'::interval / 0.001; +SELECT '3000000 days'::interval * 1000; +SELECT '3000000 days'::interval / 0.001; +SELECT '1 month 2146410 days'::interval * 1000.5002; +SELECT '4611686018427387904 usec'::interval / 0.1; + +-- 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"; + +SELECT justify_hours(interval '2147483647 days 24 hrs'); +SELECT justify_days(interval '2147483647 months 30 days'); + +-- test justify_interval() + +SELECT justify_interval(interval '1 month -1 hour') as "1 month -1 hour"; + +SELECT justify_interval(interval '2147483647 days 24 hrs'); +SELECT justify_interval(interval '-2147483648 days -24 hrs'); +SELECT justify_interval(interval '2147483647 months 30 days'); +SELECT justify_interval(interval '-2147483648 months -30 days'); +SELECT justify_interval(interval '2147483647 months 30 days -24 hrs'); +SELECT justify_interval(interval '-2147483648 months -30 days 24 hrs'); +SELECT justify_interval(interval '2147483647 months -30 days 1440 hrs'); +SELECT justify_interval(interval '-2147483648 months 30 days -1440 hrs'); + +-- 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'; + +-- cases that trigger sign-matching rules in the sql style +SELECT interval '-23 hours 45 min 12.34 sec', + interval '-1 day 23 hours 45 min 12.34 sec', + interval '-1 year 2 months 1 day 23 hours 45 min 12.34 sec', + interval '-1 year 2 months 1 day 23 hours 45 min +12.34 sec'; + +-- 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'; + +-- cases that trigger sign-matching rules in the sql style +SELECT interval '-23 hours 45 min 12.34 sec', + interval '-1 day 23 hours 45 min 12.34 sec', + interval '-1 year 2 months 1 day 23 hours 45 min 12.34 sec', + interval '-1 year 2 months 1 day 23 hours 45 min +12.34 sec'; + +-- edge case for sign-matching rules +SELECT interval ''; -- error + +-- 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"; + +-- Check handling of fractional fields in ISO8601 format. +select interval 'P1Y0M3DT4H5M6S'; +select interval 'P1.0Y0M3DT4H5M6S'; +select interval 'P1.1Y0M3DT4H5M6S'; +select interval 'P1.Y0M3DT4H5M6S'; +select interval 'P.1Y0M3DT4H5M6S'; +select interval 'P10.5e4Y'; -- not per spec, but we've historically taken it +select interval 'P.Y0M3DT4H5M6S'; -- error + +-- 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'; + +-- test time fields using entire 64 bit microseconds range +select interval '2562047788.01521550194 hours'; +select interval '-2562047788.01521550222 hours'; +select interval '153722867280.912930117 minutes'; +select interval '-153722867280.912930133 minutes'; +select interval '9223372036854.775807 seconds'; +select interval '-9223372036854.775808 seconds'; +select interval '9223372036854775.807 milliseconds'; +select interval '-9223372036854775.808 milliseconds'; +select interval '9223372036854775807 microseconds'; +select interval '-9223372036854775808 microseconds'; + +select interval 'PT2562047788H54.775807S'; +select interval 'PT-2562047788H-54.775808S'; + +select interval 'PT2562047788:00:54.775807'; + +select interval 'PT2562047788.0152155019444'; +select interval 'PT-2562047788.0152155022222'; + +-- overflow each date/time field +select interval '2147483648 years'; +select interval '-2147483649 years'; +select interval '2147483648 months'; +select interval '-2147483649 months'; +select interval '2147483648 days'; +select interval '-2147483649 days'; +select interval '2562047789 hours'; +select interval '-2562047789 hours'; +select interval '153722867281 minutes'; +select interval '-153722867281 minutes'; +select interval '9223372036855 seconds'; +select interval '-9223372036855 seconds'; +select interval '9223372036854777 millisecond'; +select interval '-9223372036854777 millisecond'; +select interval '9223372036854775808 microsecond'; +select interval '-9223372036854775809 microsecond'; + +select interval 'P2147483648'; +select interval 'P-2147483649'; +select interval 'P1-2147483647-2147483647'; +select interval 'PT2562047789'; +select interval 'PT-2562047789'; + +-- overflow with date/time unit aliases +select interval '2147483647 weeks'; +select interval '-2147483648 weeks'; +select interval '2147483647 decades'; +select interval '-2147483648 decades'; +select interval '2147483647 centuries'; +select interval '-2147483648 centuries'; +select interval '2147483647 millennium'; +select interval '-2147483648 millennium'; + +select interval '1 week 2147483647 days'; +select interval '-1 week -2147483648 days'; +select interval '2147483647 days 1 week'; +select interval '-2147483648 days -1 week'; + +select interval 'P1W2147483647D'; +select interval 'P-1W-2147483648D'; +select interval 'P2147483647D1W'; +select interval 'P-2147483648D-1W'; + +select interval '1 decade 2147483647 years'; +select interval '1 century 2147483647 years'; +select interval '1 millennium 2147483647 years'; +select interval '-1 decade -2147483648 years'; +select interval '-1 century -2147483648 years'; +select interval '-1 millennium -2147483648 years'; + +select interval '2147483647 years 1 decade'; +select interval '2147483647 years 1 century'; +select interval '2147483647 years 1 millennium'; +select interval '-2147483648 years -1 decade'; +select interval '-2147483648 years -1 century'; +select interval '-2147483648 years -1 millennium'; + +-- overflowing with fractional fields - postgres format +select interval '0.1 millennium 2147483647 months'; +select interval '0.1 centuries 2147483647 months'; +select interval '0.1 decades 2147483647 months'; +select interval '0.1 yrs 2147483647 months'; +select interval '-0.1 millennium -2147483648 months'; +select interval '-0.1 centuries -2147483648 months'; +select interval '-0.1 decades -2147483648 months'; +select interval '-0.1 yrs -2147483648 months'; + +select interval '2147483647 months 0.1 millennium'; +select interval '2147483647 months 0.1 centuries'; +select interval '2147483647 months 0.1 decades'; +select interval '2147483647 months 0.1 yrs'; +select interval '-2147483648 months -0.1 millennium'; +select interval '-2147483648 months -0.1 centuries'; +select interval '-2147483648 months -0.1 decades'; +select interval '-2147483648 months -0.1 yrs'; + +select interval '0.1 months 2147483647 days'; +select interval '-0.1 months -2147483648 days'; +select interval '2147483647 days 0.1 months'; +select interval '-2147483648 days -0.1 months'; + +select interval '0.5 weeks 2147483647 days'; +select interval '-0.5 weeks -2147483648 days'; +select interval '2147483647 days 0.5 weeks'; +select interval '-2147483648 days -0.5 weeks'; + +select interval '0.01 months 9223372036854775807 microseconds'; +select interval '-0.01 months -9223372036854775808 microseconds'; +select interval '9223372036854775807 microseconds 0.01 months'; +select interval '-9223372036854775808 microseconds -0.01 months'; + +select interval '0.1 weeks 9223372036854775807 microseconds'; +select interval '-0.1 weeks -9223372036854775808 microseconds'; +select interval '9223372036854775807 microseconds 0.1 weeks'; +select interval '-9223372036854775808 microseconds -0.1 weeks'; + +select interval '0.1 days 9223372036854775807 microseconds'; +select interval '-0.1 days -9223372036854775808 microseconds'; +select interval '9223372036854775807 microseconds 0.1 days'; +select interval '-9223372036854775808 microseconds -0.1 days'; + +-- overflowing with fractional fields - ISO8601 format +select interval 'P0.1Y2147483647M'; +select interval 'P-0.1Y-2147483648M'; +select interval 'P2147483647M0.1Y'; +select interval 'P-2147483648M-0.1Y'; + +select interval 'P0.1M2147483647D'; +select interval 'P-0.1M-2147483648D'; +select interval 'P2147483647D0.1M'; +select interval 'P-2147483648D-0.1M'; + +select interval 'P0.5W2147483647D'; +select interval 'P-0.5W-2147483648D'; +select interval 'P2147483647D0.5W'; +select interval 'P-2147483648D-0.5W'; + +select interval 'P0.01MT2562047788H54.775807S'; +select interval 'P-0.01MT-2562047788H-54.775808S'; + +select interval 'P0.1DT2562047788H54.775807S'; +select interval 'P-0.1DT-2562047788H-54.775808S'; + +select interval 'PT2562047788.1H54.775807S'; +select interval 'PT-2562047788.1H-54.775808S'; + +select interval 'PT2562047788H0.1M54.775807S'; +select interval 'PT-2562047788H-0.1M-54.775808S'; + +-- overflowing with fractional fields - ISO8601 alternative format +select interval 'P0.1-2147483647-00'; +select interval 'P00-0.1-2147483647'; +select interval 'P00-0.01-00T2562047788:00:54.775807'; +select interval 'P00-00-0.1T2562047788:00:54.775807'; +select interval 'PT2562047788.1:00:54.775807'; +select interval 'PT2562047788:01.:54.775807'; + +-- overflowing with fractional fields - SQL standard format +select interval '0.1 2562047788:0:54.775807'; +select interval '0.1 2562047788:0:54.775808 ago'; + +select interval '2562047788.1:0:54.775807'; +select interval '2562047788.1:0:54.775808 ago'; + +select interval '2562047788:0.1:54.775807'; +select interval '2562047788:0.1:54.775808 ago'; + +-- overflowing using AGO with INT_MIN +select interval '-2147483648 months ago'; +select interval '-2147483648 days ago'; +select interval '-9223372036854775808 microseconds ago'; +select interval '-2147483648 months -2147483648 days -9223372036854775808 microseconds ago'; + +-- test that INT_MIN number is formatted properly +SET IntervalStyle to postgres; +select interval '-2147483648 months -2147483648 days -9223372036854775808 us'; +SET IntervalStyle to sql_standard; +select interval '-2147483648 months -2147483648 days -9223372036854775808 us'; +SET IntervalStyle to iso_8601; +select interval '-2147483648 months -2147483648 days -9223372036854775808 us'; +SET IntervalStyle to postgres_verbose; +select interval '-2147483648 months -2147483648 days -9223372036854775808 us'; + +-- 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'); |