791 lines
30 KiB
PL/PgSQL
791 lines
30 KiB
PL/PgSQL
--
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-- INTERVAL
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--
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SET DATESTYLE = 'ISO';
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SET IntervalStyle to postgres;
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-- check acceptance of "time zone style"
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SELECT INTERVAL '01:00' AS "One hour";
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SELECT INTERVAL '+02:00' AS "Two hours";
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SELECT INTERVAL '-08:00' AS "Eight hours";
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SELECT INTERVAL '-1 +02:03' AS "22 hours ago...";
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SELECT INTERVAL '-1 days +02:03' AS "22 hours ago...";
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SELECT INTERVAL '1.5 weeks' AS "Ten days twelve hours";
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SELECT INTERVAL '1.5 months' AS "One month 15 days";
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SELECT INTERVAL '10 years -11 month -12 days +13:14' AS "9 years...";
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SELECT INTERVAL 'infinity' AS "eternity";
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SELECT INTERVAL '-infinity' AS "beginning of time";
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CREATE TABLE INTERVAL_TBL (f1 interval);
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INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 1 minute');
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INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 5 hour');
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INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 10 day');
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INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 34 year');
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INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 3 months');
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INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 14 seconds ago');
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INSERT INTO INTERVAL_TBL (f1) VALUES ('1 day 2 hours 3 minutes 4 seconds');
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INSERT INTO INTERVAL_TBL (f1) VALUES ('6 years');
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INSERT INTO INTERVAL_TBL (f1) VALUES ('5 months');
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INSERT INTO INTERVAL_TBL (f1) VALUES ('5 months 12 hours');
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INSERT INTO INTERVAL_TBL (f1) VALUES ('infinity');
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INSERT INTO INTERVAL_TBL (f1) VALUES ('-infinity');
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-- badly formatted interval
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INSERT INTO INTERVAL_TBL (f1) VALUES ('badly formatted interval');
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INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 30 eons ago');
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-- Test non-error-throwing API
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SELECT pg_input_is_valid('1.5 weeks', 'interval');
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SELECT pg_input_is_valid('garbage', 'interval');
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SELECT pg_input_is_valid('@ 30 eons ago', 'interval');
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SELECT * FROM pg_input_error_info('garbage', 'interval');
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SELECT * FROM pg_input_error_info('@ 30 eons ago', 'interval');
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-- test interval operators
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SELECT * FROM INTERVAL_TBL;
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SELECT * FROM INTERVAL_TBL
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WHERE INTERVAL_TBL.f1 <> interval '@ 10 days';
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SELECT * FROM INTERVAL_TBL
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WHERE INTERVAL_TBL.f1 <= interval '@ 5 hours';
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SELECT * FROM INTERVAL_TBL
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WHERE INTERVAL_TBL.f1 < interval '@ 1 day';
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SELECT * FROM INTERVAL_TBL
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WHERE INTERVAL_TBL.f1 = interval '@ 34 years';
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SELECT * FROM INTERVAL_TBL
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WHERE INTERVAL_TBL.f1 >= interval '@ 1 month';
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SELECT * FROM INTERVAL_TBL
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WHERE INTERVAL_TBL.f1 > interval '@ 3 seconds ago';
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SELECT r1.*, r2.*
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FROM INTERVAL_TBL r1, INTERVAL_TBL r2
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WHERE r1.f1 > r2.f1
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ORDER BY r1.f1, r2.f1;
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-- test unary minus
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SELECT f1, -f1 FROM INTERVAL_TBL;
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SELECT -('-2147483648 months'::interval); -- should fail
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SELECT -('-2147483647 months'::interval); -- ok
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SELECT -('-2147483648 days'::interval); -- should fail
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SELECT -('-2147483647 days'::interval); -- ok
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SELECT -('-9223372036854775808 us'::interval); -- should fail
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SELECT -('-9223372036854775807 us'::interval); -- ok
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SELECT -('-2147483647 months -2147483647 days -9223372036854775807 us'::interval); -- should fail
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-- Test intervals that are large enough to overflow 64 bits in comparisons
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CREATE TEMP TABLE INTERVAL_TBL_OF (f1 interval);
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INSERT INTO INTERVAL_TBL_OF (f1) VALUES
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('2147483647 days 2147483647 months'),
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('2147483647 days -2147483648 months'),
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('1 year'),
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('-2147483648 days 2147483647 months'),
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('-2147483648 days -2147483648 months');
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-- these should fail as out-of-range
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INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('2147483648 days');
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INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('-2147483649 days');
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INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('2147483647 years');
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INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('-2147483648 years');
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-- Test edge-case overflow detection in interval multiplication
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select extract(epoch from '256 microseconds'::interval * (2^55)::float8);
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SELECT r1.*, r2.*
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FROM INTERVAL_TBL_OF r1, INTERVAL_TBL_OF r2
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WHERE r1.f1 > r2.f1
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ORDER BY r1.f1, r2.f1;
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CREATE INDEX ON INTERVAL_TBL_OF USING btree (f1);
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SET enable_seqscan TO false;
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EXPLAIN (COSTS OFF)
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SELECT f1 FROM INTERVAL_TBL_OF r1 ORDER BY f1;
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SELECT f1 FROM INTERVAL_TBL_OF r1 ORDER BY f1;
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RESET enable_seqscan;
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-- subtracting about-to-overflow values should result in 0
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SELECT f1 - f1 FROM INTERVAL_TBL_OF;
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DROP TABLE INTERVAL_TBL_OF;
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-- Test multiplication and division with intervals.
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-- Floating point arithmetic rounding errors can lead to unexpected results,
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-- though the code attempts to do the right thing and round up to days and
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-- minutes to avoid results such as '3 days 24:00 hours' or '14:20:60'.
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-- Note that it is expected for some day components to be greater than 29 and
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-- some time components be greater than 23:59:59 due to how intervals are
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-- stored internally.
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CREATE TABLE INTERVAL_MULDIV_TBL (span interval);
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COPY INTERVAL_MULDIV_TBL FROM STDIN;
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41 mon 12 days 360:00
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-41 mon -12 days +360:00
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-12 days
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9 mon -27 days 12:34:56
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-3 years 482 days 76:54:32.189
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4 mon
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14 mon
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999 mon 999 days
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\.
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SELECT span * 0.3 AS product
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FROM INTERVAL_MULDIV_TBL;
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SELECT span * 8.2 AS product
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FROM INTERVAL_MULDIV_TBL;
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SELECT span / 10 AS quotient
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FROM INTERVAL_MULDIV_TBL;
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SELECT span / 100 AS quotient
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FROM INTERVAL_MULDIV_TBL;
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DROP TABLE INTERVAL_MULDIV_TBL;
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SET DATESTYLE = 'postgres';
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SET IntervalStyle to postgres_verbose;
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SELECT * FROM INTERVAL_TBL;
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-- test avg(interval), which is somewhat fragile since people have been
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-- known to change the allowed input syntax for type interval without
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-- updating pg_aggregate.agginitval
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select avg(f1) from interval_tbl where isfinite(f1);
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-- test long interval input
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select '4 millenniums 5 centuries 4 decades 1 year 4 months 4 days 17 minutes 31 seconds'::interval;
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-- test long interval output
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-- Note: the actual maximum length of the interval output is longer,
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-- but we need the test to work for both integer and floating-point
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-- timestamps.
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select '100000000y 10mon -1000000000d -100000h -10min -10.000001s ago'::interval;
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-- test justify_hours() and justify_days()
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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";
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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";
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SELECT justify_hours(interval '2147483647 days 24 hrs');
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SELECT justify_days(interval '2147483647 months 30 days');
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-- test justify_interval()
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SELECT justify_interval(interval '1 month -1 hour') as "1 month -1 hour";
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SELECT justify_interval(interval '2147483647 days 24 hrs');
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SELECT justify_interval(interval '-2147483648 days -24 hrs');
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SELECT justify_interval(interval '2147483647 months 30 days');
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SELECT justify_interval(interval '-2147483648 months -30 days');
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SELECT justify_interval(interval '2147483647 months 30 days -24 hrs');
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SELECT justify_interval(interval '-2147483648 months -30 days 24 hrs');
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SELECT justify_interval(interval '2147483647 months -30 days 1440 hrs');
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SELECT justify_interval(interval '-2147483648 months 30 days -1440 hrs');
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-- test fractional second input, and detection of duplicate units
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SET DATESTYLE = 'ISO';
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SET IntervalStyle TO postgres;
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SELECT '1 millisecond'::interval, '1 microsecond'::interval,
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'500 seconds 99 milliseconds 51 microseconds'::interval;
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SELECT '3 days 5 milliseconds'::interval;
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SELECT '1 second 2 seconds'::interval; -- error
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SELECT '10 milliseconds 20 milliseconds'::interval; -- error
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SELECT '5.5 seconds 3 milliseconds'::interval; -- error
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SELECT '1:20:05 5 microseconds'::interval; -- error
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SELECT '1 day 1 day'::interval; -- error
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SELECT interval '1-2'; -- SQL year-month literal
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SELECT interval '999' second; -- oversize leading field is ok
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SELECT interval '999' minute;
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SELECT interval '999' hour;
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SELECT interval '999' day;
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SELECT interval '999' month;
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-- test SQL-spec syntaxes for restricted field sets
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SELECT interval '1' year;
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SELECT interval '2' month;
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SELECT interval '3' day;
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SELECT interval '4' hour;
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SELECT interval '5' minute;
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SELECT interval '6' second;
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SELECT interval '1' year to month;
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SELECT interval '1-2' year to month;
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SELECT interval '1 2' day to hour;
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SELECT interval '1 2:03' day to hour;
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SELECT interval '1 2:03:04' day to hour;
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SELECT interval '1 2' day to minute;
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SELECT interval '1 2:03' day to minute;
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SELECT interval '1 2:03:04' day to minute;
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SELECT interval '1 2' day to second;
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SELECT interval '1 2:03' day to second;
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SELECT interval '1 2:03:04' day to second;
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SELECT interval '1 2' hour to minute;
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SELECT interval '1 2:03' hour to minute;
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SELECT interval '1 2:03:04' hour to minute;
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SELECT interval '1 2' hour to second;
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SELECT interval '1 2:03' hour to second;
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SELECT interval '1 2:03:04' hour to second;
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SELECT interval '1 2' minute to second;
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SELECT interval '1 2:03' minute to second;
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SELECT interval '1 2:03:04' minute to second;
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SELECT interval '1 +2:03' minute to second;
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SELECT interval '1 +2:03:04' minute to second;
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SELECT interval '1 -2:03' minute to second;
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SELECT interval '1 -2:03:04' minute to second;
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SELECT interval '123 11' day to hour; -- ok
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SELECT interval '123 11' day; -- not ok
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SELECT interval '123 11'; -- not ok, too ambiguous
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SELECT interval '123 2:03 -2:04'; -- not ok, redundant hh:mm fields
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-- test syntaxes for restricted precision
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SELECT interval(0) '1 day 01:23:45.6789';
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SELECT interval(2) '1 day 01:23:45.6789';
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SELECT interval '12:34.5678' minute to second(2); -- per SQL spec
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SELECT interval '1.234' second;
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SELECT interval '1.234' second(2);
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SELECT interval '1 2.345' day to second(2);
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SELECT interval '1 2:03' day to second(2);
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SELECT interval '1 2:03.4567' day to second(2);
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SELECT interval '1 2:03:04.5678' day to second(2);
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SELECT interval '1 2.345' hour to second(2);
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SELECT interval '1 2:03.45678' hour to second(2);
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SELECT interval '1 2:03:04.5678' hour to second(2);
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SELECT interval '1 2.3456' minute to second(2);
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SELECT interval '1 2:03.5678' minute to second(2);
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SELECT interval '1 2:03:04.5678' minute to second(2);
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-- test casting to restricted precision (bug #14479)
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SELECT f1, f1::INTERVAL DAY TO MINUTE AS "minutes",
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(f1 + INTERVAL '1 month')::INTERVAL MONTH::INTERVAL YEAR AS "years"
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FROM interval_tbl;
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-- test inputting and outputting SQL standard interval literals
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SET IntervalStyle TO sql_standard;
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SELECT interval '0' AS "zero",
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interval '1-2' year to month AS "year-month",
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interval '1 2:03:04' day to second AS "day-time",
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- interval '1-2' AS "negative year-month",
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- interval '1 2:03:04' AS "negative day-time";
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-- test input of some not-quite-standard interval values in the sql style
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SET IntervalStyle TO postgres;
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SELECT interval '+1 -1:00:00',
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interval '-1 +1:00:00',
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interval '+1-2 -3 +4:05:06.789',
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interval '-1-2 +3 -4:05:06.789';
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-- cases that trigger sign-matching rules in the sql style
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SELECT interval '-23 hours 45 min 12.34 sec',
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interval '-1 day 23 hours 45 min 12.34 sec',
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interval '-1 year 2 months 1 day 23 hours 45 min 12.34 sec',
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interval '-1 year 2 months 1 day 23 hours 45 min +12.34 sec';
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-- test output of couple non-standard interval values in the sql style
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SET IntervalStyle TO sql_standard;
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SELECT interval '1 day -1 hours',
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interval '-1 days +1 hours',
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interval '1 years 2 months -3 days 4 hours 5 minutes 6.789 seconds',
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- interval '1 years 2 months -3 days 4 hours 5 minutes 6.789 seconds';
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-- cases that trigger sign-matching rules in the sql style
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SELECT interval '-23 hours 45 min 12.34 sec',
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interval '-1 day 23 hours 45 min 12.34 sec',
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interval '-1 year 2 months 1 day 23 hours 45 min 12.34 sec',
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interval '-1 year 2 months 1 day 23 hours 45 min +12.34 sec';
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-- edge case for sign-matching rules
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SELECT interval ''; -- error
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-- test outputting iso8601 intervals
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SET IntervalStyle to iso_8601;
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select interval '0' AS "zero",
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interval '1-2' AS "a year 2 months",
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interval '1 2:03:04' AS "a bit over a day",
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interval '2:03:04.45679' AS "a bit over 2 hours",
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(interval '1-2' + interval '3 4:05:06.7') AS "all fields",
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(interval '1-2' - interval '3 4:05:06.7') AS "mixed sign",
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(- interval '1-2' + interval '3 4:05:06.7') AS "negative";
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-- test inputting ISO 8601 4.4.2.1 "Format With Time Unit Designators"
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SET IntervalStyle to sql_standard;
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select interval 'P0Y' AS "zero",
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interval 'P1Y2M' AS "a year 2 months",
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interval 'P1W' AS "a week",
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interval 'P1DT2H3M4S' AS "a bit over a day",
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interval 'P1Y2M3DT4H5M6.7S' AS "all fields",
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interval 'P-1Y-2M-3DT-4H-5M-6.7S' AS "negative",
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interval 'PT-0.1S' AS "fractional second";
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-- test inputting ISO 8601 4.4.2.2 "Alternative Format"
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SET IntervalStyle to postgres;
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select interval 'P00021015T103020' AS "ISO8601 Basic Format",
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interval 'P0002-10-15T10:30:20' AS "ISO8601 Extended Format";
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-- Make sure optional ISO8601 alternative format fields are optional.
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select interval 'P0002' AS "year only",
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interval 'P0002-10' AS "year month",
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interval 'P0002-10-15' AS "year month day",
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interval 'P0002T1S' AS "year only plus time",
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interval 'P0002-10T1S' AS "year month plus time",
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interval 'P0002-10-15T1S' AS "year month day plus time",
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interval 'PT10' AS "hour only",
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interval 'PT10:30' AS "hour minute";
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-- Check handling of fractional fields in ISO8601 format.
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select interval 'P1Y0M3DT4H5M6S';
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select interval 'P1.0Y0M3DT4H5M6S';
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select interval 'P1.1Y0M3DT4H5M6S';
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select interval 'P1.Y0M3DT4H5M6S';
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select interval 'P.1Y0M3DT4H5M6S';
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select interval 'P10.5e4Y'; -- not per spec, but we've historically taken it
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select interval 'P.Y0M3DT4H5M6S'; -- error
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-- test a couple rounding cases that changed since 8.3 w/ HAVE_INT64_TIMESTAMP.
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SET IntervalStyle to postgres_verbose;
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select interval '-10 mons -3 days +03:55:06.70';
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select interval '1 year 2 mons 3 days 04:05:06.699999';
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select interval '0:0:0.7', interval '@ 0.70 secs', interval '0.7 seconds';
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-- test time fields using entire 64 bit microseconds range
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select interval '2562047788.01521550194 hours';
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select interval '-2562047788.01521550222 hours';
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select interval '153722867280.912930117 minutes';
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select interval '-153722867280.912930133 minutes';
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select interval '9223372036854.775807 seconds';
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select interval '-9223372036854.775808 seconds';
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select interval '9223372036854775.807 milliseconds';
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select interval '-9223372036854775.808 milliseconds';
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select interval '9223372036854775807 microseconds';
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select interval '-9223372036854775808 microseconds';
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select interval 'PT2562047788H54.775807S';
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select interval 'PT-2562047788H-54.775808S';
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select interval 'PT2562047788:00:54.775807';
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select interval 'PT2562047788.0152155019444';
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select interval 'PT-2562047788.0152155022222';
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-- overflow each date/time field
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select interval '2147483648 years';
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select interval '-2147483649 years';
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select interval '2147483648 months';
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select interval '-2147483649 months';
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select interval '2147483648 days';
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select interval '-2147483649 days';
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select interval '2562047789 hours';
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select interval '-2562047789 hours';
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select interval '153722867281 minutes';
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select interval '-153722867281 minutes';
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select interval '9223372036855 seconds';
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select interval '-9223372036855 seconds';
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select interval '9223372036854777 millisecond';
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select interval '-9223372036854777 millisecond';
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select interval '9223372036854775808 microsecond';
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select interval '-9223372036854775809 microsecond';
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select interval 'P2147483648';
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select interval 'P-2147483649';
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select interval 'P1-2147483647-2147483647';
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select interval 'PT2562047789';
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select interval 'PT-2562047789';
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-- overflow with date/time unit aliases
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select interval '2147483647 weeks';
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select interval '-2147483648 weeks';
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select interval '2147483647 decades';
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select interval '-2147483648 decades';
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select interval '2147483647 centuries';
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select interval '-2147483648 centuries';
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select interval '2147483647 millennium';
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select interval '-2147483648 millennium';
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select interval '1 week 2147483647 days';
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select interval '-1 week -2147483648 days';
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select interval '2147483647 days 1 week';
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select interval '-2147483648 days -1 week';
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select interval 'P1W2147483647D';
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select interval 'P-1W-2147483648D';
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select interval 'P2147483647D1W';
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select interval 'P-2147483648D-1W';
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select interval '1 decade 2147483647 years';
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select interval '1 century 2147483647 years';
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select interval '1 millennium 2147483647 years';
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select interval '-1 decade -2147483648 years';
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select interval '-1 century -2147483648 years';
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select interval '-1 millennium -2147483648 years';
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select interval '2147483647 years 1 decade';
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select interval '2147483647 years 1 century';
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select interval '2147483647 years 1 millennium';
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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';
|
|
|
|
-- overflowing using make_interval
|
|
select make_interval(years := 178956971);
|
|
select make_interval(years := -178956971);
|
|
select make_interval(years := 1, months := 2147483647);
|
|
select make_interval(years := -1, months := -2147483648);
|
|
select make_interval(weeks := 306783379);
|
|
select make_interval(weeks := -306783379);
|
|
select make_interval(weeks := 1, days := 2147483647);
|
|
select make_interval(weeks := -1, days := -2147483648);
|
|
select make_interval(secs := 1e308);
|
|
select make_interval(secs := 1e18);
|
|
select make_interval(secs := -1e18);
|
|
select make_interval(mins := 1, secs := 9223372036800.0);
|
|
select make_interval(mins := -1, secs := -9223372036800.0);
|
|
|
|
-- test that INT_MIN number is formatted properly
|
|
SET IntervalStyle to postgres;
|
|
select interval '-2147483647 months -2147483648 days -9223372036854775808 us';
|
|
SET IntervalStyle to sql_standard;
|
|
select interval '-2147483647 months -2147483648 days -9223372036854775808 us';
|
|
SET IntervalStyle to iso_8601;
|
|
select interval '-2147483647 months -2147483648 days -9223372036854775808 us';
|
|
SET IntervalStyle to postgres_verbose;
|
|
select interval '-2147483647 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');
|
|
|
|
--
|
|
-- test infinite intervals
|
|
--
|
|
|
|
-- largest finite intervals
|
|
SELECT interval '-2147483648 months -2147483648 days -9223372036854775807 us';
|
|
SELECT interval '2147483647 months 2147483647 days 9223372036854775806 us';
|
|
|
|
-- infinite intervals
|
|
SELECT interval '-2147483648 months -2147483648 days -9223372036854775808 us';
|
|
SELECT interval '2147483647 months 2147483647 days 9223372036854775807 us';
|
|
|
|
CREATE TABLE INFINITE_INTERVAL_TBL (i interval);
|
|
INSERT INTO INFINITE_INTERVAL_TBL VALUES ('infinity'), ('-infinity'), ('1 year 2 days 3 hours');
|
|
|
|
SELECT i, isfinite(i) FROM INFINITE_INTERVAL_TBL;
|
|
|
|
-- test basic arithmetic
|
|
CREATE FUNCTION eval(expr text)
|
|
RETURNS text AS
|
|
$$
|
|
DECLARE
|
|
result text;
|
|
BEGIN
|
|
EXECUTE 'select '||expr INTO result;
|
|
RETURN result;
|
|
EXCEPTION WHEN OTHERS THEN
|
|
RETURN SQLERRM;
|
|
END
|
|
$$
|
|
LANGUAGE plpgsql;
|
|
|
|
SELECT d AS date, i AS interval,
|
|
eval(format('date %L + interval %L', d, i)) AS plus,
|
|
eval(format('date %L - interval %L', d, i)) AS minus
|
|
FROM (VALUES (date '-infinity'),
|
|
(date '1995-08-06'),
|
|
(date 'infinity')) AS t1(d),
|
|
(VALUES (interval '-infinity'),
|
|
(interval 'infinity')) AS t2(i);
|
|
|
|
SELECT i1 AS interval1, i2 AS interval2,
|
|
eval(format('interval %L + interval %L', i1, i2)) AS plus,
|
|
eval(format('interval %L - interval %L', i1, i2)) AS minus
|
|
FROM (VALUES (interval '-infinity'),
|
|
(interval '2 months'),
|
|
(interval 'infinity')) AS t1(i1),
|
|
(VALUES (interval '-infinity'),
|
|
(interval '10 days'),
|
|
(interval 'infinity')) AS t2(i2);
|
|
|
|
SELECT interval '2147483646 months 2147483646 days 9223372036854775806 us' + interval '1 month 1 day 1 us';
|
|
SELECT interval '-2147483647 months -2147483647 days -9223372036854775807 us' + interval '-1 month -1 day -1 us';
|
|
SELECT interval '2147483646 months 2147483646 days 9223372036854775806 us' - interval '-1 month -1 day -1 us';
|
|
SELECT interval '-2147483647 months -2147483647 days -9223372036854775807 us' - interval '1 month 1 day 1 us';
|
|
|
|
SELECT t AS timestamp, i AS interval,
|
|
eval(format('timestamp %L + interval %L', t, i)) AS plus,
|
|
eval(format('timestamp %L - interval %L', t, i)) AS minus
|
|
FROM (VALUES (timestamp '-infinity'),
|
|
(timestamp '1995-08-06 12:30:15'),
|
|
(timestamp 'infinity')) AS t1(t),
|
|
(VALUES (interval '-infinity'),
|
|
(interval 'infinity')) AS t2(i);
|
|
|
|
SELECT t AT TIME ZONE 'GMT' AS timestamptz, i AS interval,
|
|
eval(format('timestamptz %L + interval %L', t, i)) AS plus,
|
|
eval(format('timestamptz %L - interval %L', t, i)) AS minus
|
|
FROM (VALUES (timestamptz '-infinity'),
|
|
(timestamptz '1995-08-06 12:30:15 GMT'),
|
|
(timestamptz 'infinity')) AS t1(t),
|
|
(VALUES (interval '-infinity'),
|
|
(interval 'infinity')) AS t2(i);
|
|
|
|
-- time +/- infinite interval not supported
|
|
SELECT time '11:27:42' + interval 'infinity';
|
|
SELECT time '11:27:42' + interval '-infinity';
|
|
SELECT time '11:27:42' - interval 'infinity';
|
|
SELECT time '11:27:42' - interval '-infinity';
|
|
SELECT timetz '11:27:42' + interval 'infinity';
|
|
SELECT timetz '11:27:42' + interval '-infinity';
|
|
SELECT timetz '11:27:42' - interval 'infinity';
|
|
SELECT timetz '11:27:42' - interval '-infinity';
|
|
|
|
SELECT lhst.i lhs,
|
|
rhst.i rhs,
|
|
lhst.i < rhst.i AS lt,
|
|
lhst.i <= rhst.i AS le,
|
|
lhst.i = rhst.i AS eq,
|
|
lhst.i > rhst.i AS gt,
|
|
lhst.i >= rhst.i AS ge,
|
|
lhst.i <> rhst.i AS ne
|
|
FROM INFINITE_INTERVAL_TBL lhst CROSS JOIN INFINITE_INTERVAL_TBL rhst
|
|
WHERE NOT isfinite(lhst.i);
|
|
|
|
SELECT i AS interval,
|
|
-i AS um,
|
|
i * 2.0 AS mul,
|
|
i * -2.0 AS mul_neg,
|
|
i * 'infinity' AS mul_inf,
|
|
i * '-infinity' AS mul_inf_neg,
|
|
i / 3.0 AS div,
|
|
i / -3.0 AS div_neg
|
|
FROM INFINITE_INTERVAL_TBL
|
|
WHERE NOT isfinite(i);
|
|
|
|
SELECT -interval '-2147483647 months -2147483647 days -9223372036854775807 us';
|
|
SELECT interval 'infinity' * 'nan';
|
|
SELECT interval '-infinity' * 'nan';
|
|
SELECT interval '-1073741824 months -1073741824 days -4611686018427387904 us' * 2;
|
|
SELECT interval 'infinity' * 0;
|
|
SELECT interval '-infinity' * 0;
|
|
SELECT interval '0 days' * 'infinity'::float;
|
|
SELECT interval '0 days' * '-infinity'::float;
|
|
SELECT interval '5 days' * 'infinity'::float;
|
|
SELECT interval '5 days' * '-infinity'::float;
|
|
|
|
SELECT interval 'infinity' / 'infinity';
|
|
SELECT interval 'infinity' / '-infinity';
|
|
SELECT interval 'infinity' / 'nan';
|
|
SELECT interval '-infinity' / 'infinity';
|
|
SELECT interval '-infinity' / '-infinity';
|
|
SELECT interval '-infinity' / 'nan';
|
|
SELECT interval '-1073741824 months -1073741824 days -4611686018427387904 us' / 0.5;
|
|
|
|
SELECT date_bin('infinity', timestamp '2001-02-16 20:38:40', timestamp '2001-02-16 20:05:00');
|
|
SELECT date_bin('-infinity', timestamp '2001-02-16 20:38:40', timestamp '2001-02-16 20:05:00');
|
|
|
|
SELECT i AS interval, date_trunc('hour', i)
|
|
FROM INFINITE_INTERVAL_TBL
|
|
WHERE NOT isfinite(i);
|
|
|
|
SELECT i AS interval, justify_days(i), justify_hours(i), justify_interval(i)
|
|
FROM INFINITE_INTERVAL_TBL
|
|
WHERE NOT isfinite(i);
|
|
|
|
SELECT timezone('infinity'::interval, '1995-08-06 12:12:12'::timestamp);
|
|
SELECT timezone('-infinity'::interval, '1995-08-06 12:12:12'::timestamp);
|
|
SELECT timezone('infinity'::interval, '1995-08-06 12:12:12'::timestamptz);
|
|
SELECT timezone('-infinity'::interval, '1995-08-06 12:12:12'::timestamptz);
|
|
SELECT timezone('infinity'::interval, '12:12:12'::time);
|
|
SELECT timezone('-infinity'::interval, '12:12:12'::time);
|
|
SELECT timezone('infinity'::interval, '12:12:12'::timetz);
|
|
SELECT timezone('-infinity'::interval, '12:12:12'::timetz);
|
|
|
|
SELECT 'infinity'::interval::time;
|
|
SELECT '-infinity'::interval::time;
|
|
|
|
SELECT to_char('infinity'::interval, 'YYYY');
|
|
SELECT to_char('-infinity'::interval, 'YYYY');
|
|
|
|
-- "ago" can only appear once at the end of an interval.
|
|
SELECT INTERVAL '42 days 2 seconds ago ago';
|
|
SELECT INTERVAL '2 minutes ago 5 days';
|
|
|
|
-- consecutive and dangling units are not allowed.
|
|
SELECT INTERVAL 'hour 5 months';
|
|
SELECT INTERVAL '1 year months days 5 hours';
|
|
|
|
-- unacceptable reserved words in interval. Only "infinity", "+infinity" and
|
|
-- "-infinity" are allowed.
|
|
SELECT INTERVAL 'now';
|
|
SELECT INTERVAL 'today';
|
|
SELECT INTERVAL 'tomorrow';
|
|
SELECT INTERVAL 'allballs';
|
|
SELECT INTERVAL 'epoch';
|
|
SELECT INTERVAL 'yesterday';
|
|
|
|
-- infinity specification should be the only thing
|
|
SELECT INTERVAL 'infinity years';
|
|
SELECT INTERVAL 'infinity ago';
|
|
SELECT INTERVAL '+infinity -infinity';
|