| -- |
| -- INTERVAL |
| -- |
| SET DATESTYLE = 'ISO'; |
| SET IntervalStyle to postgres; |
| -- check acceptance of "time zone style" |
| SELECT INTERVAL '01:00' AS "One hour"; |
| One hour |
| ---------- |
| 01:00:00 |
| (1 row) |
| |
| SELECT INTERVAL '+02:00' AS "Two hours"; |
| Two hours |
| ----------- |
| 02:00:00 |
| (1 row) |
| |
| SELECT INTERVAL '-08:00' AS "Eight hours"; |
| Eight hours |
| ------------- |
| -08:00:00 |
| (1 row) |
| |
| SELECT INTERVAL '-1 +02:03' AS "22 hours ago..."; |
| 22 hours ago... |
| ------------------- |
| -1 days +02:03:00 |
| (1 row) |
| |
| SELECT INTERVAL '-1 days +02:03' AS "22 hours ago..."; |
| 22 hours ago... |
| ------------------- |
| -1 days +02:03:00 |
| (1 row) |
| |
| SELECT INTERVAL '1.5 weeks' AS "Ten days twelve hours"; |
| Ten days twelve hours |
| ----------------------- |
| 10 days 12:00:00 |
| (1 row) |
| |
| SELECT INTERVAL '1.5 months' AS "One month 15 days"; |
| One month 15 days |
| ------------------- |
| 1 mon 15 days |
| (1 row) |
| |
| SELECT INTERVAL '10 years -11 month -12 days +13:14' AS "9 years..."; |
| 9 years... |
| ---------------------------------- |
| 9 years 1 mon -12 days +13:14:00 |
| (1 row) |
| |
| 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'); |
| ERROR: invalid input syntax for type interval: "badly formatted interval" |
| LINE 1: INSERT INTO INTERVAL_TBL (f1) VALUES ('badly formatted inter... |
| ^ |
| INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 30 eons ago'); |
| ERROR: invalid input syntax for type interval: "@ 30 eons ago" |
| LINE 1: INSERT INTO INTERVAL_TBL (f1) VALUES ('@ 30 eons ago'); |
| ^ |
| -- test interval operators |
| SELECT * FROM INTERVAL_TBL; |
| f1 |
| ----------------- |
| -00:00:14 |
| 00:01:00 |
| 05:00:00 |
| 1 day 02:03:04 |
| 10 days |
| 3 mons |
| 34 years |
| 5 mons |
| 5 mons 12:00:00 |
| 6 years |
| (10 rows) |
| |
| SELECT * FROM INTERVAL_TBL |
| WHERE INTERVAL_TBL.f1 <> interval '@ 10 days'; |
| f1 |
| ----------------- |
| -00:00:14 |
| 00:01:00 |
| 05:00:00 |
| 1 day 02:03:04 |
| 3 mons |
| 34 years |
| 5 mons |
| 5 mons 12:00:00 |
| 6 years |
| (9 rows) |
| |
| SELECT * FROM INTERVAL_TBL |
| WHERE INTERVAL_TBL.f1 <= interval '@ 5 hours'; |
| f1 |
| ----------- |
| -00:00:14 |
| 00:01:00 |
| 05:00:00 |
| (3 rows) |
| |
| SELECT * FROM INTERVAL_TBL |
| WHERE INTERVAL_TBL.f1 < interval '@ 1 day'; |
| f1 |
| ----------- |
| -00:00:14 |
| 00:01:00 |
| 05:00:00 |
| (3 rows) |
| |
| SELECT * FROM INTERVAL_TBL |
| WHERE INTERVAL_TBL.f1 = interval '@ 34 years'; |
| f1 |
| ---------- |
| 34 years |
| (1 row) |
| |
| SELECT * FROM INTERVAL_TBL |
| WHERE INTERVAL_TBL.f1 >= interval '@ 1 month'; |
| f1 |
| ----------------- |
| 3 mons |
| 34 years |
| 5 mons |
| 5 mons 12:00:00 |
| 6 years |
| (5 rows) |
| |
| SELECT * FROM INTERVAL_TBL |
| WHERE INTERVAL_TBL.f1 > interval '@ 3 seconds ago'; |
| f1 |
| ----------------- |
| 00:01:00 |
| 05:00:00 |
| 1 day 02:03:04 |
| 10 days |
| 3 mons |
| 34 years |
| 5 mons |
| 5 mons 12:00:00 |
| 6 years |
| (9 rows) |
| |
| SELECT r1.*, r2.* |
| FROM INTERVAL_TBL r1, INTERVAL_TBL r2 |
| WHERE r1.f1 > r2.f1 |
| ORDER BY r1.f1, r2.f1; |
| f1 | f1 |
| -----------------+----------------- |
| 00:01:00 | -00:00:14 |
| 05:00:00 | -00:00:14 |
| 05:00:00 | 00:01:00 |
| 1 day 02:03:04 | -00:00:14 |
| 1 day 02:03:04 | 00:01:00 |
| 1 day 02:03:04 | 05:00:00 |
| 10 days | -00:00:14 |
| 10 days | 00:01:00 |
| 10 days | 05:00:00 |
| 10 days | 1 day 02:03:04 |
| 3 mons | -00:00:14 |
| 3 mons | 00:01:00 |
| 3 mons | 05:00:00 |
| 3 mons | 1 day 02:03:04 |
| 3 mons | 10 days |
| 34 years | -00:00:14 |
| 34 years | 00:01:00 |
| 34 years | 05:00:00 |
| 34 years | 1 day 02:03:04 |
| 34 years | 10 days |
| 34 years | 3 mons |
| 34 years | 5 mons |
| 34 years | 5 mons 12:00:00 |
| 34 years | 6 years |
| 5 mons | -00:00:14 |
| 5 mons | 00:01:00 |
| 5 mons | 05:00:00 |
| 5 mons | 1 day 02:03:04 |
| 5 mons | 10 days |
| 5 mons | 3 mons |
| 5 mons 12:00:00 | -00:00:14 |
| 5 mons 12:00:00 | 00:01:00 |
| 5 mons 12:00:00 | 05:00:00 |
| 5 mons 12:00:00 | 1 day 02:03:04 |
| 5 mons 12:00:00 | 10 days |
| 5 mons 12:00:00 | 3 mons |
| 5 mons 12:00:00 | 5 mons |
| 6 years | -00:00:14 |
| 6 years | 00:01:00 |
| 6 years | 05:00:00 |
| 6 years | 1 day 02:03:04 |
| 6 years | 10 days |
| 6 years | 3 mons |
| 6 years | 5 mons |
| 6 years | 5 mons 12:00:00 |
| (45 rows) |
| |
| -- 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'); |
| ERROR: interval field value out of range: "2147483648 days" |
| LINE 1: INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('2147483648 days'); |
| ^ |
| INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('-2147483649 days'); |
| ERROR: interval field value out of range: "-2147483649 days" |
| LINE 1: INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('-2147483649 days')... |
| ^ |
| INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('2147483647 years'); |
| ERROR: interval out of range |
| LINE 1: INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('2147483647 years')... |
| ^ |
| INSERT INTO INTERVAL_TBL_OF (f1) VALUES ('-2147483648 years'); |
| ERROR: interval out of range |
| LINE 1: 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); |
| ERROR: interval out of range |
| SELECT r1.*, r2.* |
| FROM INTERVAL_TBL_OF r1, INTERVAL_TBL_OF r2 |
| WHERE r1.f1 > r2.f1 |
| ORDER BY r1.f1, r2.f1; |
| f1 | f1 |
| -------------------------------------------+------------------------------------------- |
| -178956970 years -8 mons +2147483647 days | -178956970 years -8 mons -2147483648 days |
| 1 year | -178956970 years -8 mons -2147483648 days |
| 1 year | -178956970 years -8 mons +2147483647 days |
| 178956970 years 7 mons -2147483648 days | -178956970 years -8 mons -2147483648 days |
| 178956970 years 7 mons -2147483648 days | -178956970 years -8 mons +2147483647 days |
| 178956970 years 7 mons -2147483648 days | 1 year |
| 178956970 years 7 mons 2147483647 days | -178956970 years -8 mons -2147483648 days |
| 178956970 years 7 mons 2147483647 days | -178956970 years -8 mons +2147483647 days |
| 178956970 years 7 mons 2147483647 days | 1 year |
| 178956970 years 7 mons 2147483647 days | 178956970 years 7 mons -2147483648 days |
| (10 rows) |
| |
| 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; |
| QUERY PLAN |
| --------------------------------------------------------------- |
| Gather Motion 3:1 (slice1; segments: 3) |
| Merge Key: f1 |
| -> Sort |
| Sort Key: f1 |
| -> Seq Scan on interval_tbl_of r1 |
| Optimizer: Pivotal Optimizer (GPORCA) version 3.9.0 |
| (6 rows) |
| |
| SELECT f1 FROM INTERVAL_TBL_OF r1 ORDER BY f1; |
| f1 |
| ------------------------------------------- |
| -178956970 years -8 mons -2147483648 days |
| -178956970 years -8 mons +2147483647 days |
| 1 year |
| 178956970 years 7 mons -2147483648 days |
| 178956970 years 7 mons 2147483647 days |
| (5 rows) |
| |
| 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; |
| SELECT span * 0.3 AS product |
| FROM INTERVAL_MULDIV_TBL; |
| product |
| ------------------------------------ |
| 1 year 12 days 122:24:00 |
| -1 years -12 days +93:36:00 |
| -3 days -14:24:00 |
| 2 mons 13 days 01:22:28.8 |
| -10 mons +120 days 37:28:21.6567 |
| 1 mon 6 days |
| 4 mons 6 days |
| 24 years 11 mons 320 days 16:48:00 |
| (8 rows) |
| |
| SELECT span * 8.2 AS product |
| FROM INTERVAL_MULDIV_TBL; |
| product |
| --------------------------------------------- |
| 28 years 104 days 2961:36:00 |
| -28 years -104 days +2942:24:00 |
| -98 days -09:36:00 |
| 6 years 1 mon -197 days +93:34:27.2 |
| -24 years -7 mons +3946 days 640:15:11.9498 |
| 2 years 8 mons 24 days |
| 9 years 6 mons 24 days |
| 682 years 7 mons 8215 days 19:12:00 |
| (8 rows) |
| |
| SELECT span / 10 AS quotient |
| FROM INTERVAL_MULDIV_TBL; |
| quotient |
| ---------------------------------- |
| 4 mons 4 days 40:48:00 |
| -4 mons -4 days +31:12:00 |
| -1 days -04:48:00 |
| 25 days -15:32:30.4 |
| -3 mons +30 days 12:29:27.2189 |
| 12 days |
| 1 mon 12 days |
| 8 years 3 mons 126 days 21:36:00 |
| (8 rows) |
| |
| SELECT span / 100 AS quotient |
| FROM INTERVAL_MULDIV_TBL; |
| quotient |
| ------------------------- |
| 12 days 13:40:48 |
| -12 days -06:28:48 |
| -02:52:48 |
| 2 days 10:26:44.96 |
| -6 days +01:14:56.72189 |
| 1 day 04:48:00 |
| 4 days 04:48:00 |
| 9 mons 39 days 16:33:36 |
| (8 rows) |
| |
| DROP TABLE INTERVAL_MULDIV_TBL; |
| SET DATESTYLE = 'postgres'; |
| SET IntervalStyle to postgres_verbose; |
| SELECT * FROM INTERVAL_TBL; |
| f1 |
| ------------------------------- |
| @ 1 day 2 hours 3 mins 4 secs |
| @ 1 min |
| @ 10 days |
| @ 14 secs ago |
| @ 3 mons |
| @ 34 years |
| @ 5 hours |
| @ 5 mons |
| @ 5 mons 12 hours |
| @ 6 years |
| (10 rows) |
| |
| -- 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; |
| avg |
| ------------------------------------------------- |
| @ 4 years 1 mon 10 days 4 hours 18 mins 23 secs |
| (1 row) |
| |
| -- test long interval input |
| select '4 millenniums 5 centuries 4 decades 1 year 4 months 4 days 17 minutes 31 seconds'::interval; |
| interval |
| -------------------------------------------- |
| @ 4541 years 4 mons 4 days 17 mins 31 secs |
| (1 row) |
| |
| -- 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; |
| interval |
| --------------------------------------------------------------------------------------- |
| @ 100000000 years 10 mons -1000000000 days -100000 hours -10 mins -10.000001 secs ago |
| (1 row) |
| |
| -- 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"; |
| 6 mons 5 days 4 hours 3 mins 2 seconds |
| ---------------------------------------- |
| @ 6 mons 5 days 4 hours 3 mins 2 secs |
| (1 row) |
| |
| 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"; |
| 7 mons 6 days 5 hours 4 mins 3 seconds |
| ---------------------------------------- |
| @ 7 mons 6 days 5 hours 4 mins 3 secs |
| (1 row) |
| |
| -- test justify_interval() |
| SELECT justify_interval(interval '1 month -1 hour') as "1 month -1 hour"; |
| 1 month -1 hour |
| -------------------- |
| @ 29 days 23 hours |
| (1 row) |
| |
| -- 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; |
| interval | interval | interval |
| --------------+-----------------+----------------- |
| 00:00:00.001 | 00:00:00.000001 | 00:08:20.099051 |
| (1 row) |
| |
| SELECT '3 days 5 milliseconds'::interval; |
| interval |
| --------------------- |
| 3 days 00:00:00.005 |
| (1 row) |
| |
| SELECT '1 second 2 seconds'::interval; -- error |
| ERROR: invalid input syntax for type interval: "1 second 2 seconds" |
| LINE 1: SELECT '1 second 2 seconds'::interval; |
| ^ |
| SELECT '10 milliseconds 20 milliseconds'::interval; -- error |
| ERROR: invalid input syntax for type interval: "10 milliseconds 20 milliseconds" |
| LINE 1: SELECT '10 milliseconds 20 milliseconds'::interval; |
| ^ |
| SELECT '5.5 seconds 3 milliseconds'::interval; -- error |
| ERROR: invalid input syntax for type interval: "5.5 seconds 3 milliseconds" |
| LINE 1: SELECT '5.5 seconds 3 milliseconds'::interval; |
| ^ |
| SELECT '1:20:05 5 microseconds'::interval; -- error |
| ERROR: invalid input syntax for type interval: "1:20:05 5 microseconds" |
| LINE 1: SELECT '1:20:05 5 microseconds'::interval; |
| ^ |
| SELECT '1 day 1 day'::interval; -- error |
| ERROR: invalid input syntax for type interval: "1 day 1 day" |
| LINE 1: SELECT '1 day 1 day'::interval; |
| ^ |
| SELECT interval '1-2'; -- SQL year-month literal |
| interval |
| --------------- |
| 1 year 2 mons |
| (1 row) |
| |
| SELECT interval '999' second; -- oversize leading field is ok |
| interval |
| ---------- |
| 00:16:39 |
| (1 row) |
| |
| SELECT interval '999' minute; |
| interval |
| ---------- |
| 16:39:00 |
| (1 row) |
| |
| SELECT interval '999' hour; |
| interval |
| ----------- |
| 999:00:00 |
| (1 row) |
| |
| SELECT interval '999' day; |
| interval |
| ---------- |
| 999 days |
| (1 row) |
| |
| SELECT interval '999' month; |
| interval |
| ----------------- |
| 83 years 3 mons |
| (1 row) |
| |
| -- test SQL-spec syntaxes for restricted field sets |
| SELECT interval '1' year; |
| interval |
| ---------- |
| 1 year |
| (1 row) |
| |
| SELECT interval '2' month; |
| interval |
| ---------- |
| 2 mons |
| (1 row) |
| |
| SELECT interval '3' day; |
| interval |
| ---------- |
| 3 days |
| (1 row) |
| |
| SELECT interval '4' hour; |
| interval |
| ---------- |
| 04:00:00 |
| (1 row) |
| |
| SELECT interval '5' minute; |
| interval |
| ---------- |
| 00:05:00 |
| (1 row) |
| |
| SELECT interval '6' second; |
| interval |
| ---------- |
| 00:00:06 |
| (1 row) |
| |
| SELECT interval '1' year to month; |
| interval |
| ---------- |
| 1 mon |
| (1 row) |
| |
| SELECT interval '1-2' year to month; |
| interval |
| --------------- |
| 1 year 2 mons |
| (1 row) |
| |
| SELECT interval '1 2' day to hour; |
| interval |
| ---------------- |
| 1 day 02:00:00 |
| (1 row) |
| |
| SELECT interval '1 2:03' day to hour; |
| interval |
| ---------------- |
| 1 day 02:00:00 |
| (1 row) |
| |
| SELECT interval '1 2:03:04' day to hour; |
| interval |
| ---------------- |
| 1 day 02:00:00 |
| (1 row) |
| |
| SELECT interval '1 2' day to minute; |
| ERROR: invalid input syntax for type interval: "1 2" |
| LINE 1: SELECT interval '1 2' day to minute; |
| ^ |
| SELECT interval '1 2:03' day to minute; |
| interval |
| ---------------- |
| 1 day 02:03:00 |
| (1 row) |
| |
| SELECT interval '1 2:03:04' day to minute; |
| interval |
| ---------------- |
| 1 day 02:03:00 |
| (1 row) |
| |
| SELECT interval '1 2' day to second; |
| ERROR: invalid input syntax for type interval: "1 2" |
| LINE 1: SELECT interval '1 2' day to second; |
| ^ |
| SELECT interval '1 2:03' day to second; |
| interval |
| ---------------- |
| 1 day 02:03:00 |
| (1 row) |
| |
| SELECT interval '1 2:03:04' day to second; |
| interval |
| ---------------- |
| 1 day 02:03:04 |
| (1 row) |
| |
| SELECT interval '1 2' hour to minute; |
| ERROR: invalid input syntax for type interval: "1 2" |
| LINE 1: SELECT interval '1 2' hour to minute; |
| ^ |
| SELECT interval '1 2:03' hour to minute; |
| interval |
| ---------------- |
| 1 day 02:03:00 |
| (1 row) |
| |
| SELECT interval '1 2:03:04' hour to minute; |
| interval |
| ---------------- |
| 1 day 02:03:00 |
| (1 row) |
| |
| SELECT interval '1 2' hour to second; |
| ERROR: invalid input syntax for type interval: "1 2" |
| LINE 1: SELECT interval '1 2' hour to second; |
| ^ |
| SELECT interval '1 2:03' hour to second; |
| interval |
| ---------------- |
| 1 day 02:03:00 |
| (1 row) |
| |
| SELECT interval '1 2:03:04' hour to second; |
| interval |
| ---------------- |
| 1 day 02:03:04 |
| (1 row) |
| |
| SELECT interval '1 2' minute to second; |
| ERROR: invalid input syntax for type interval: "1 2" |
| LINE 1: SELECT interval '1 2' minute to second; |
| ^ |
| SELECT interval '1 2:03' minute to second; |
| interval |
| ---------------- |
| 1 day 00:02:03 |
| (1 row) |
| |
| SELECT interval '1 2:03:04' minute to second; |
| interval |
| ---------------- |
| 1 day 02:03:04 |
| (1 row) |
| |
| SELECT interval '1 +2:03' minute to second; |
| interval |
| ---------------- |
| 1 day 00:02:03 |
| (1 row) |
| |
| SELECT interval '1 +2:03:04' minute to second; |
| interval |
| ---------------- |
| 1 day 02:03:04 |
| (1 row) |
| |
| SELECT interval '1 -2:03' minute to second; |
| interval |
| ----------------- |
| 1 day -00:02:03 |
| (1 row) |
| |
| SELECT interval '1 -2:03:04' minute to second; |
| interval |
| ----------------- |
| 1 day -02:03:04 |
| (1 row) |
| |
| SELECT interval '123 11' day to hour; -- ok |
| interval |
| ------------------- |
| 123 days 11:00:00 |
| (1 row) |
| |
| SELECT interval '123 11' day; -- not ok |
| ERROR: invalid input syntax for type interval: "123 11" |
| LINE 1: SELECT interval '123 11' day; |
| ^ |
| SELECT interval '123 11'; -- not ok, too ambiguous |
| ERROR: invalid input syntax for type interval: "123 11" |
| LINE 1: SELECT interval '123 11'; |
| ^ |
| SELECT interval '123 2:03 -2:04'; -- not ok, redundant hh:mm fields |
| ERROR: invalid input syntax for type interval: "123 2:03 -2:04" |
| LINE 1: SELECT interval '123 2:03 -2:04'; |
| ^ |
| -- test syntaxes for restricted precision |
| SELECT interval(0) '1 day 01:23:45.6789'; |
| interval |
| ---------------- |
| 1 day 01:23:46 |
| (1 row) |
| |
| SELECT interval(2) '1 day 01:23:45.6789'; |
| interval |
| ------------------- |
| 1 day 01:23:45.68 |
| (1 row) |
| |
| SELECT interval '12:34.5678' minute to second(2); -- per SQL spec |
| interval |
| ------------- |
| 00:12:34.57 |
| (1 row) |
| |
| SELECT interval '1.234' second; |
| interval |
| -------------- |
| 00:00:01.234 |
| (1 row) |
| |
| SELECT interval '1.234' second(2); |
| interval |
| ------------- |
| 00:00:01.23 |
| (1 row) |
| |
| SELECT interval '1 2.345' day to second(2); |
| ERROR: invalid input syntax for type interval: "1 2.345" |
| LINE 1: SELECT interval '1 2.345' day to second(2); |
| ^ |
| SELECT interval '1 2:03' day to second(2); |
| interval |
| ---------------- |
| 1 day 02:03:00 |
| (1 row) |
| |
| SELECT interval '1 2:03.4567' day to second(2); |
| interval |
| ------------------- |
| 1 day 00:02:03.46 |
| (1 row) |
| |
| SELECT interval '1 2:03:04.5678' day to second(2); |
| interval |
| ------------------- |
| 1 day 02:03:04.57 |
| (1 row) |
| |
| SELECT interval '1 2.345' hour to second(2); |
| ERROR: invalid input syntax for type interval: "1 2.345" |
| LINE 1: SELECT interval '1 2.345' hour to second(2); |
| ^ |
| SELECT interval '1 2:03.45678' hour to second(2); |
| interval |
| ------------------- |
| 1 day 00:02:03.46 |
| (1 row) |
| |
| SELECT interval '1 2:03:04.5678' hour to second(2); |
| interval |
| ------------------- |
| 1 day 02:03:04.57 |
| (1 row) |
| |
| SELECT interval '1 2.3456' minute to second(2); |
| ERROR: invalid input syntax for type interval: "1 2.3456" |
| LINE 1: SELECT interval '1 2.3456' minute to second(2); |
| ^ |
| SELECT interval '1 2:03.5678' minute to second(2); |
| interval |
| ------------------- |
| 1 day 00:02:03.57 |
| (1 row) |
| |
| SELECT interval '1 2:03:04.5678' minute to second(2); |
| interval |
| ------------------- |
| 1 day 02:03:04.57 |
| (1 row) |
| |
| -- 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; |
| f1 | minutes | years |
| -----------------+-----------------+---------- |
| 00:01:00 | 00:01:00 | 00:00:00 |
| 05:00:00 | 05:00:00 | 00:00:00 |
| 10 days | 10 days | 00:00:00 |
| 34 years | 34 years | 34 years |
| 3 mons | 3 mons | 00:00:00 |
| -00:00:14 | 00:00:00 | 00:00:00 |
| 1 day 02:03:04 | 1 day 02:03:00 | 00:00:00 |
| 6 years | 6 years | 6 years |
| 5 mons | 5 mons | 00:00:00 |
| 5 mons 12:00:00 | 5 mons 12:00:00 | 00:00:00 |
| (10 rows) |
| |
| -- 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"; |
| zero | year-month | day-time | negative year-month | negative day-time |
| ------+------------+-----------+---------------------+------------------- |
| 0 | 1-2 | 1 2:03:04 | -1-2 | -1 2:03:04 |
| (1 row) |
| |
| -- 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'; |
| interval | interval | interval | interval |
| -----------------+-------------------+-------------------------------------+---------------------------------------- |
| 1 day -01:00:00 | -1 days +01:00:00 | 1 year 2 mons -3 days +04:05:06.789 | -1 years -2 mons +3 days -04:05:06.789 |
| (1 row) |
| |
| -- 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'; |
| interval | interval | interval | ?column? |
| ------------------+------------------+----------------------+---------------------- |
| +0-0 +1 -1:00:00 | +0-0 -1 +1:00:00 | +1-2 -3 +4:05:06.789 | -1-2 +3 -4:05:06.789 |
| (1 row) |
| |
| -- 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"; |
| zero | a year 2 months | a bit over a day | a bit over 2 hours | all fields | mixed sign | negative |
| ------+-----------------+------------------+--------------------+------------------+----------------------+-------------------- |
| PT0S | P1Y2M | P1DT2H3M4S | PT2H3M4.45679S | P1Y2M3DT4H5M6.7S | P1Y2M-3DT-4H-5M-6.7S | P-1Y-2M3DT4H5M6.7S |
| (1 row) |
| |
| -- 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"; |
| zero | a year 2 months | a week | a bit over a day | all fields | negative | fractional second |
| ------+-----------------+-----------+------------------+--------------------+--------------------+------------------- |
| 0 | 1-2 | 7 0:00:00 | 1 2:03:04 | +1-2 +3 +4:05:06.7 | -1-2 -3 -4:05:06.7 | -0:00:00.1 |
| (1 row) |
| |
| -- 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"; |
| ISO8601 Basic Format | ISO8601 Extended Format |
| ----------------------------------+---------------------------------- |
| 2 years 10 mons 15 days 10:30:20 | 2 years 10 mons 15 days 10:30:20 |
| (1 row) |
| |
| -- 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"; |
| year only | year month | year month day | year only plus time | year month plus time | year month day plus time | hour only | hour minute |
| -----------+-----------------+-------------------------+---------------------+--------------------------+----------------------------------+-----------+------------- |
| 2 years | 2 years 10 mons | 2 years 10 mons 15 days | 2 years 00:00:01 | 2 years 10 mons 00:00:01 | 2 years 10 mons 15 days 00:00:01 | 10:00:00 | 10:30:00 |
| (1 row) |
| |
| -- 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'; |
| interval |
| -------------------------------------------------- |
| @ 10 mons 3 days -3 hours -55 mins -6.7 secs ago |
| (1 row) |
| |
| select interval '1 year 2 mons 3 days 04:05:06.699999'; |
| interval |
| ----------------------------------------------------- |
| @ 1 year 2 mons 3 days 4 hours 5 mins 6.699999 secs |
| (1 row) |
| |
| select interval '0:0:0.7', interval '@ 0.70 secs', interval '0.7 seconds'; |
| interval | interval | interval |
| ------------+------------+------------ |
| @ 0.7 secs | @ 0.7 secs | @ 0.7 secs |
| (1 row) |
| |
| -- check that '30 days' equals '1 month' according to the hash function |
| select '30 days'::interval = '1 month'::interval as t; |
| t |
| --- |
| t |
| (1 row) |
| |
| select interval_hash('30 days'::interval) = interval_hash('1 month'::interval) as t; |
| t |
| --- |
| t |
| (1 row) |
| |
| -- numeric constructor |
| select make_interval(years := 2); |
| make_interval |
| --------------- |
| @ 2 years |
| (1 row) |
| |
| select make_interval(years := 1, months := 6); |
| make_interval |
| ----------------- |
| @ 1 year 6 mons |
| (1 row) |
| |
| select make_interval(years := 1, months := -1, weeks := 5, days := -7, hours := 25, mins := -180); |
| make_interval |
| ---------------------------- |
| @ 11 mons 28 days 22 hours |
| (1 row) |
| |
| select make_interval() = make_interval(years := 0, months := 0, weeks := 0, days := 0, mins := 0, secs := 0.0); |
| ?column? |
| ---------- |
| t |
| (1 row) |
| |
| select make_interval(hours := -2, mins := -10, secs := -25.3); |
| make_interval |
| --------------------------------- |
| @ 2 hours 10 mins 25.3 secs ago |
| (1 row) |
| |
| select make_interval(years := 'inf'::float::int); |
| ERROR: integer out of range |
| select make_interval(months := 'NaN'::float::int); |
| ERROR: integer out of range |
| select make_interval(secs := 'inf'); |
| ERROR: interval out of range |
| select make_interval(secs := 'NaN'); |
| ERROR: interval out of range |
| select make_interval(secs := 7e12); |
| make_interval |
| ------------------------------------ |
| @ 1944444444 hours 26 mins 40 secs |
| (1 row) |
| |
| -- |
| -- 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; |
| f1 | microsecond | millisecond | second | minute | hour | day | month | quarter | year | decade | century | millennium | epoch |
| -------------------------------+-------------+-------------+------------+--------+------+-----+-------+---------+------+--------+---------+------------+------------------- |
| @ 1 min | 0 | 0.000 | 0.000000 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 60.000000 |
| @ 5 hours | 0 | 0.000 | 0.000000 | 0 | 5 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 18000.000000 |
| @ 10 days | 0 | 0.000 | 0.000000 | 0 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 864000.000000 |
| @ 34 years | 0 | 0.000 | 0.000000 | 0 | 0 | 0 | 0 | 1 | 34 | 3 | 0 | 0 | 1072958400.000000 |
| @ 3 mons | 0 | 0.000 | 0.000000 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 7776000.000000 |
| @ 14 secs ago | -14000000 | -14000.000 | -14.000000 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | -14.000000 |
| @ 1 day 2 hours 3 mins 4 secs | 4000000 | 4000.000 | 4.000000 | 3 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 93784.000000 |
| @ 6 years | 0 | 0.000 | 0.000000 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 0 | 0 | 189345600.000000 |
| @ 5 mons | 0 | 0.000 | 0.000000 | 0 | 0 | 0 | 5 | 2 | 0 | 0 | 0 | 0 | 12960000.000000 |
| @ 5 mons 12 hours | 0 | 0.000 | 0.000000 | 0 | 12 | 0 | 5 | 2 | 0 | 0 | 0 | 0 | 13003200.000000 |
| (10 rows) |
| |
| SELECT EXTRACT(FORTNIGHT FROM INTERVAL '2 days'); -- error |
| ERROR: interval units "fortnight" not recognized |
| SELECT EXTRACT(TIMEZONE FROM INTERVAL '2 days'); -- error |
| ERROR: interval units "timezone" not supported |
| SELECT EXTRACT(DECADE FROM INTERVAL '100 y'); |
| extract |
| --------- |
| 10 |
| (1 row) |
| |
| SELECT EXTRACT(DECADE FROM INTERVAL '99 y'); |
| extract |
| --------- |
| 9 |
| (1 row) |
| |
| SELECT EXTRACT(DECADE FROM INTERVAL '-99 y'); |
| extract |
| --------- |
| -9 |
| (1 row) |
| |
| SELECT EXTRACT(DECADE FROM INTERVAL '-100 y'); |
| extract |
| --------- |
| -10 |
| (1 row) |
| |
| SELECT EXTRACT(CENTURY FROM INTERVAL '100 y'); |
| extract |
| --------- |
| 1 |
| (1 row) |
| |
| SELECT EXTRACT(CENTURY FROM INTERVAL '99 y'); |
| extract |
| --------- |
| 0 |
| (1 row) |
| |
| SELECT EXTRACT(CENTURY FROM INTERVAL '-99 y'); |
| extract |
| --------- |
| 0 |
| (1 row) |
| |
| SELECT EXTRACT(CENTURY FROM INTERVAL '-100 y'); |
| extract |
| --------- |
| -1 |
| (1 row) |
| |
| -- 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; |
| f1 | microsecond | millisecond | second | epoch |
| -------------------------------+-------------+-------------+--------+------------ |
| @ 1 min | 0 | 0 | 0 | 60 |
| @ 5 hours | 0 | 0 | 0 | 18000 |
| @ 10 days | 0 | 0 | 0 | 864000 |
| @ 34 years | 0 | 0 | 0 | 1072958400 |
| @ 3 mons | 0 | 0 | 0 | 7776000 |
| @ 14 secs ago | -14000000 | -14000 | -14 | -14 |
| @ 1 day 2 hours 3 mins 4 secs | 4000000 | 4000 | 4 | 93784 |
| @ 6 years | 0 | 0 | 0 | 189345600 |
| @ 5 mons | 0 | 0 | 0 | 12960000 |
| @ 5 mons 12 hours | 0 | 0 | 0 | 13003200 |
| (10 rows) |
| |
| -- internal overflow test case |
| SELECT extract(epoch from interval '1000000000 days'); |
| extract |
| ----------------------- |
| 86400000000000.000000 |
| (1 row) |
| |
