Merge branch 'rightlib' into mergelibs-241120-1113

1 files changed, 180 insertions, 0 deletions

diff --git a/yql/essentials/tests/postgresql/cases/timestamp.sql b/yql/essentials/tests/postgresql/cases/timestamp.sql
new file mode 100644
index 0000000000..34a7c39c25
--- /dev/null
+++ b/yql/essentials/tests/postgresql/cases/timestamp.sql
@@ -0,0 +1,180 @@
+--
+-- 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');
+SELECT count(*) AS One FROM TIMESTAMP_TBL WHERE d1 = timestamp without time zone 'today';
+SELECT count(*) AS One FROM TIMESTAMP_TBL WHERE d1 = timestamp without time zone 'yesterday';
+COMMIT;
+-- 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);
+COMMIT;
+-- Special values
+INSERT INTO TIMESTAMP_TBL VALUES ('-infinity');
+INSERT INTO TIMESTAMP_TBL VALUES ('infinity');
+INSERT INTO TIMESTAMP_TBL VALUES ('epoch');
+-- 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');
+set datestyle to ymd;
+reset datestyle;
+-- 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');
+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 '4714-11-23 23:59:59 BC'::timestamp;  -- out of range
+SELECT '294277-01-01 00:00:00'::timestamp;  -- out of range
+-- 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);
+-- 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');
+-- 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);
+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);
+-- should fail
+select make_timestamp(0, 7, 15, 12, 30, 15);
+-- errors
+select * from generate_series('2020-01-01 00:00'::timestamp,
+                              '2020-01-02 03:00'::timestamp,
+                              '0 hour'::interval);