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author | Alexander Smirnov <alex@ydb.tech> | 2024-11-20 11:14:58 +0000 |
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committer | Alexander Smirnov <alex@ydb.tech> | 2024-11-20 11:14:58 +0000 |
commit | 31773f157bf8164364649b5f470f52dece0a4317 (patch) | |
tree | 33d0f7eef45303ab68cf08ab381ce5e5e36c5240 /yql/essentials/tests/postgresql/original/cases/timestamp.sql | |
parent | 2c7938962d8689e175574fc1e817c05049f27905 (diff) | |
parent | eff600952d5dfe17942f38f510a8ac2b203bb3a5 (diff) | |
download | ydb-31773f157bf8164364649b5f470f52dece0a4317.tar.gz |
Merge branch 'rightlib' into mergelibs-241120-1113
Diffstat (limited to 'yql/essentials/tests/postgresql/original/cases/timestamp.sql')
-rw-r--r-- | yql/essentials/tests/postgresql/original/cases/timestamp.sql | 386 |
1 files changed, 386 insertions, 0 deletions
diff --git a/yql/essentials/tests/postgresql/original/cases/timestamp.sql b/yql/essentials/tests/postgresql/original/cases/timestamp.sql new file mode 100644 index 0000000000..ebc969f36c --- /dev/null +++ b/yql/essentials/tests/postgresql/original/cases/timestamp.sql @@ -0,0 +1,386 @@ +-- +-- TIMESTAMP +-- + +CREATE TABLE TIMESTAMP_TBL (d1 timestamp(2) without time zone); + +-- Test shorthand input values +-- We can't just "select" the results since they aren't constants; test for +-- equality instead. We can do that by running the test inside a transaction +-- block, within which the value of 'now' shouldn't change, and so these +-- related values shouldn't either. + +BEGIN; + +INSERT INTO TIMESTAMP_TBL VALUES ('today'); +INSERT INTO TIMESTAMP_TBL VALUES ('yesterday'); +INSERT INTO TIMESTAMP_TBL VALUES ('tomorrow'); +-- time zone should be ignored by this data type +INSERT INTO TIMESTAMP_TBL VALUES ('tomorrow EST'); +INSERT INTO TIMESTAMP_TBL VALUES ('tomorrow zulu'); + +SELECT count(*) AS One FROM TIMESTAMP_TBL WHERE d1 = timestamp without time zone 'today'; +SELECT count(*) AS Three FROM TIMESTAMP_TBL WHERE d1 = timestamp without time zone 'tomorrow'; +SELECT count(*) AS One FROM TIMESTAMP_TBL WHERE d1 = timestamp without time zone 'yesterday'; + +COMMIT; + +DELETE FROM TIMESTAMP_TBL; + +-- Verify that 'now' *does* change over a reasonable interval such as 100 msec, +-- and that it doesn't change over the same interval within a transaction block + +INSERT INTO TIMESTAMP_TBL VALUES ('now'); +SELECT pg_sleep(0.1); + +BEGIN; +INSERT INTO TIMESTAMP_TBL VALUES ('now'); +SELECT pg_sleep(0.1); +INSERT INTO TIMESTAMP_TBL VALUES ('now'); +SELECT pg_sleep(0.1); +SELECT count(*) AS two FROM TIMESTAMP_TBL WHERE d1 = timestamp(2) without time zone 'now'; +SELECT count(d1) AS three, count(DISTINCT d1) AS two FROM TIMESTAMP_TBL; +COMMIT; + +TRUNCATE TIMESTAMP_TBL; + +-- Special values +INSERT INTO TIMESTAMP_TBL VALUES ('-infinity'); +INSERT INTO TIMESTAMP_TBL VALUES ('infinity'); +INSERT INTO TIMESTAMP_TBL VALUES ('epoch'); + +-- Postgres v6.0 standard output format +INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01 1997 PST'); + +-- Variations on Postgres v6.1 standard output format +INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01.000001 1997 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01.999999 1997 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01.4 1997 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01.5 1997 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('Mon Feb 10 17:32:01.6 1997 PST'); + +-- ISO 8601 format +INSERT INTO TIMESTAMP_TBL VALUES ('1997-01-02'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997-01-02 03:04:05'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997-02-10 17:32:01-08'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997-02-10 17:32:01-0800'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997-02-10 17:32:01 -08:00'); +INSERT INTO TIMESTAMP_TBL VALUES ('19970210 173201 -0800'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997-06-10 17:32:01 -07:00'); +INSERT INTO TIMESTAMP_TBL VALUES ('2001-09-22T18:19:20'); + +-- POSIX format (note that the timezone abbrev is just decoration here) +INSERT INTO TIMESTAMP_TBL VALUES ('2000-03-15 08:14:01 GMT+8'); +INSERT INTO TIMESTAMP_TBL VALUES ('2000-03-15 13:14:02 GMT-1'); +INSERT INTO TIMESTAMP_TBL VALUES ('2000-03-15 12:14:03 GMT-2'); +INSERT INTO TIMESTAMP_TBL VALUES ('2000-03-15 03:14:04 PST+8'); +INSERT INTO TIMESTAMP_TBL VALUES ('2000-03-15 02:14:05 MST+7:00'); + +-- Variations for acceptable input formats +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 10 17:32:01 1997 -0800'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 10 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 10 5:32PM 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997/02/10 17:32:01-0800'); +INSERT INTO TIMESTAMP_TBL VALUES ('1997-02-10 17:32:01 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb-10-1997 17:32:01 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('02-10-1997 17:32:01 PST'); +INSERT INTO TIMESTAMP_TBL VALUES ('19970210 173201 PST'); +set datestyle to ymd; +INSERT INTO TIMESTAMP_TBL VALUES ('97FEB10 5:32:01PM UTC'); +INSERT INTO TIMESTAMP_TBL VALUES ('97/02/10 17:32:01 UTC'); +reset datestyle; +INSERT INTO TIMESTAMP_TBL VALUES ('1997.041 17:32:01 UTC'); +INSERT INTO TIMESTAMP_TBL VALUES ('19970210 173201 America/New_York'); +-- this fails (even though TZ is a no-op, we still look it up) +INSERT INTO TIMESTAMP_TBL VALUES ('19970710 173201 America/Does_not_exist'); + +-- Check date conversion and date arithmetic +INSERT INTO TIMESTAMP_TBL VALUES ('1997-06-10 18:32:01 PDT'); + +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 10 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 11 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 12 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 13 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 14 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 15 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 1997'); + +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 0097 BC'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 0097'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 0597'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 1097'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 1697'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 1797'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 1897'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 2097'); + +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 28 17:32:01 1996'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 29 17:32:01 1996'); +INSERT INTO TIMESTAMP_TBL VALUES ('Mar 01 17:32:01 1996'); +INSERT INTO TIMESTAMP_TBL VALUES ('Dec 30 17:32:01 1996'); +INSERT INTO TIMESTAMP_TBL VALUES ('Dec 31 17:32:01 1996'); +INSERT INTO TIMESTAMP_TBL VALUES ('Jan 01 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 28 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 29 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Mar 01 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Dec 30 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Dec 31 17:32:01 1997'); +INSERT INTO TIMESTAMP_TBL VALUES ('Dec 31 17:32:01 1999'); +INSERT INTO TIMESTAMP_TBL VALUES ('Jan 01 17:32:01 2000'); +INSERT INTO TIMESTAMP_TBL VALUES ('Dec 31 17:32:01 2000'); +INSERT INTO TIMESTAMP_TBL VALUES ('Jan 01 17:32:01 2001'); + +-- Currently unsupported syntax and ranges +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 -0097'); +INSERT INTO TIMESTAMP_TBL VALUES ('Feb 16 17:32:01 5097 BC'); + +SELECT d1 FROM TIMESTAMP_TBL; + +-- Check behavior at the boundaries of the timestamp range +SELECT '4714-11-24 00:00:00 BC'::timestamp; +SELECT '4714-11-23 23:59:59 BC'::timestamp; -- out of range +SELECT '294276-12-31 23:59:59'::timestamp; +SELECT '294277-01-01 00:00:00'::timestamp; -- out of range + +-- Demonstrate functions and operators +SELECT d1 FROM TIMESTAMP_TBL + WHERE d1 > timestamp without time zone '1997-01-02'; + +SELECT d1 FROM TIMESTAMP_TBL + WHERE d1 < timestamp without time zone '1997-01-02'; + +SELECT d1 FROM TIMESTAMP_TBL + WHERE d1 = timestamp without time zone '1997-01-02'; + +SELECT d1 FROM TIMESTAMP_TBL + WHERE d1 != timestamp without time zone '1997-01-02'; + +SELECT d1 FROM TIMESTAMP_TBL + WHERE d1 <= timestamp without time zone '1997-01-02'; + +SELECT d1 FROM TIMESTAMP_TBL + WHERE d1 >= timestamp without time zone '1997-01-02'; + +SELECT d1 - timestamp without time zone '1997-01-02' AS diff + FROM TIMESTAMP_TBL WHERE d1 BETWEEN '1902-01-01' AND '2038-01-01'; + +SELECT date_trunc( 'week', timestamp '2004-02-29 15:44:17.71393' ) AS week_trunc; + +-- verify date_bin behaves the same as date_trunc for relevant intervals + +-- case 1: AD dates, origin < input +SELECT + str, + interval, + date_trunc(str, ts) = date_bin(interval::interval, ts, timestamp '2001-01-01') AS equal +FROM ( + VALUES + ('week', '7 d'), + ('day', '1 d'), + ('hour', '1 h'), + ('minute', '1 m'), + ('second', '1 s'), + ('millisecond', '1 ms'), + ('microsecond', '1 us') +) intervals (str, interval), +(VALUES (timestamp '2020-02-29 15:44:17.71393')) ts (ts); + +-- case 2: BC dates, origin < input +SELECT + str, + interval, + date_trunc(str, ts) = date_bin(interval::interval, ts, timestamp '2000-01-01 BC') AS equal +FROM ( + VALUES + ('week', '7 d'), + ('day', '1 d'), + ('hour', '1 h'), + ('minute', '1 m'), + ('second', '1 s'), + ('millisecond', '1 ms'), + ('microsecond', '1 us') +) intervals (str, interval), +(VALUES (timestamp '0055-6-10 15:44:17.71393 BC')) ts (ts); + +-- case 3: AD dates, origin > input +SELECT + str, + interval, + date_trunc(str, ts) = date_bin(interval::interval, ts, timestamp '2020-03-02') AS equal +FROM ( + VALUES + ('week', '7 d'), + ('day', '1 d'), + ('hour', '1 h'), + ('minute', '1 m'), + ('second', '1 s'), + ('millisecond', '1 ms'), + ('microsecond', '1 us') +) intervals (str, interval), +(VALUES (timestamp '2020-02-29 15:44:17.71393')) ts (ts); + +-- case 4: BC dates, origin > input +SELECT + str, + interval, + date_trunc(str, ts) = date_bin(interval::interval, ts, timestamp '0055-06-17 BC') AS equal +FROM ( + VALUES + ('week', '7 d'), + ('day', '1 d'), + ('hour', '1 h'), + ('minute', '1 m'), + ('second', '1 s'), + ('millisecond', '1 ms'), + ('microsecond', '1 us') +) intervals (str, interval), +(VALUES (timestamp '0055-6-10 15:44:17.71393 BC')) ts (ts); + +-- bin timestamps into arbitrary intervals +SELECT + interval, + ts, + origin, + date_bin(interval::interval, ts, origin) +FROM ( + VALUES + ('15 days'), + ('2 hours'), + ('1 hour 30 minutes'), + ('15 minutes'), + ('10 seconds'), + ('100 milliseconds'), + ('250 microseconds') +) intervals (interval), +(VALUES (timestamp '2020-02-11 15:44:17.71393')) ts (ts), +(VALUES (timestamp '2001-01-01')) origin (origin); + +-- shift bins using the origin parameter: +SELECT date_bin('5 min'::interval, timestamp '2020-02-01 01:01:01', timestamp '2020-02-01 00:02:30'); + +-- disallow intervals with months or years +SELECT date_bin('5 months'::interval, timestamp '2020-02-01 01:01:01', timestamp '2001-01-01'); +SELECT date_bin('5 years'::interval, timestamp '2020-02-01 01:01:01', timestamp '2001-01-01'); + +-- disallow zero intervals +SELECT date_bin('0 days'::interval, timestamp '1970-01-01 01:00:00' , timestamp '1970-01-01 00:00:00'); + +-- disallow negative intervals +SELECT date_bin('-2 days'::interval, timestamp '1970-01-01 01:00:00' , timestamp '1970-01-01 00:00:00'); + +-- Test casting within a BETWEEN qualifier +SELECT d1 - timestamp without time zone '1997-01-02' AS diff + FROM TIMESTAMP_TBL + WHERE d1 BETWEEN timestamp without time zone '1902-01-01' + AND timestamp without time zone '2038-01-01'; + +-- DATE_PART (timestamp_part) +SELECT d1 as "timestamp", + date_part( 'year', d1) AS year, date_part( 'month', d1) AS month, + date_part( 'day', d1) AS day, date_part( 'hour', d1) AS hour, + date_part( 'minute', d1) AS minute, date_part( 'second', d1) AS second + FROM TIMESTAMP_TBL; + +SELECT d1 as "timestamp", + date_part( 'quarter', d1) AS quarter, date_part( 'msec', d1) AS msec, + date_part( 'usec', d1) AS usec + FROM TIMESTAMP_TBL; + +SELECT d1 as "timestamp", + date_part( 'isoyear', d1) AS isoyear, date_part( 'week', d1) AS week, + date_part( 'isodow', d1) AS isodow, date_part( 'dow', d1) AS dow, + date_part( 'doy', d1) AS doy + FROM TIMESTAMP_TBL; + +SELECT d1 as "timestamp", + date_part( 'decade', d1) AS decade, + date_part( 'century', d1) AS century, + date_part( 'millennium', d1) AS millennium, + round(date_part( 'julian', d1)) AS julian, + date_part( 'epoch', d1) AS epoch + FROM TIMESTAMP_TBL; + +-- extract implementation is mostly the same as date_part, so only +-- test a few cases for additional coverage. +SELECT d1 as "timestamp", + extract(microseconds from d1) AS microseconds, + extract(milliseconds from d1) AS milliseconds, + extract(seconds from d1) AS seconds, + round(extract(julian from d1)) AS julian, + extract(epoch from d1) AS epoch + FROM TIMESTAMP_TBL; + +-- value near upper bound uses special case in code +SELECT date_part('epoch', '294270-01-01 00:00:00'::timestamp); +SELECT extract(epoch from '294270-01-01 00:00:00'::timestamp); +-- another internal overflow test case +SELECT extract(epoch from '5000-01-01 00:00:00'::timestamp); + +-- TO_CHAR() +SELECT to_char(d1, 'DAY Day day DY Dy dy MONTH Month month RM MON Mon mon') + FROM TIMESTAMP_TBL; + +SELECT to_char(d1, 'FMDAY FMDay FMday FMMONTH FMMonth FMmonth FMRM') + FROM TIMESTAMP_TBL; + +SELECT to_char(d1, 'Y,YYY YYYY YYY YY Y CC Q MM WW DDD DD D J') + FROM TIMESTAMP_TBL; + +SELECT to_char(d1, 'FMY,YYY FMYYYY FMYYY FMYY FMY FMCC FMQ FMMM FMWW FMDDD FMDD FMD FMJ') + FROM TIMESTAMP_TBL; + +SELECT to_char(d1, 'HH HH12 HH24 MI SS SSSS') + FROM TIMESTAMP_TBL; + +SELECT to_char(d1, E'"HH:MI:SS is" HH:MI:SS "\\"text between quote marks\\""') + FROM TIMESTAMP_TBL; + +SELECT to_char(d1, 'HH24--text--MI--text--SS') + FROM TIMESTAMP_TBL; + +SELECT to_char(d1, 'YYYYTH YYYYth Jth') + FROM TIMESTAMP_TBL; + +SELECT to_char(d1, 'YYYY A.D. YYYY a.d. YYYY bc HH:MI:SS P.M. HH:MI:SS p.m. HH:MI:SS pm') + FROM TIMESTAMP_TBL; + +SELECT to_char(d1, 'IYYY IYY IY I IW IDDD ID') + FROM TIMESTAMP_TBL; + +SELECT to_char(d1, 'FMIYYY FMIYY FMIY FMI FMIW FMIDDD FMID') + FROM TIMESTAMP_TBL; + +SELECT to_char(d, 'FF1 FF2 FF3 FF4 FF5 FF6 ff1 ff2 ff3 ff4 ff5 ff6 MS US') + FROM (VALUES + ('2018-11-02 12:34:56'::timestamp), + ('2018-11-02 12:34:56.78'), + ('2018-11-02 12:34:56.78901'), + ('2018-11-02 12:34:56.78901234') + ) d(d); + +-- Roman months, with upper and lower case. +SELECT i, + to_char(i * interval '1mon', 'rm'), + to_char(i * interval '1mon', 'RM') + FROM generate_series(-13, 13) i; + +-- timestamp numeric fields constructor +SELECT make_timestamp(2014, 12, 28, 6, 30, 45.887); +SELECT make_timestamp(-44, 3, 15, 12, 30, 15); +-- should fail +select make_timestamp(0, 7, 15, 12, 30, 15); + +-- generate_series for timestamp +select * from generate_series('2020-01-01 00:00'::timestamp, + '2020-01-02 03:00'::timestamp, + '1 hour'::interval); +-- the LIMIT should allow this to terminate in a reasonable amount of time +-- (but that unfortunately doesn't work yet for SELECT * FROM ...) +select generate_series('2022-01-01 00:00'::timestamp, + 'infinity'::timestamp, + '1 month'::interval) limit 10; +-- errors +select * from generate_series('2020-01-01 00:00'::timestamp, + '2020-01-02 03:00'::timestamp, + '0 hour'::interval); |