Hi,
I seem to have found a bug in Postgres 9.1.3. Apparently timestamp
values are stored correctly in the database, but querying it returns
invalid results. My environment is Windows 7 64bit. The unexpected
result is that timestamps before 1st of May 1921 are displayed
incorrectly when time zone is 'Europe/Helsinki'.
----------------- [snip] ----------------------
SELECT version();
DROP TABLE IF EXISTS test2;
CREATE TABLE test2 (ts TIMESTAMPTZ NOT NULL DEFAULT NOW());
INSERT INTO test2 VALUES ('1921-01-01 00:00:00+00');
INSERT INTO test2 VALUES ('1921-04-29 00:00:00+00');
INSERT INTO test2 VALUES ('1921-04-30 00:00:00+00');
INSERT INTO test2 VALUES ('1921-05-01 00:00:00+00');
INSERT INTO test2 VALUES ('1922-01-01 00:00:00+00');
INSERT INTO test2 VALUES ('1999-01-08 04:05:06 -8:00');
INSERT INTO test2 VALUES ('today allballs');
SET TIME ZONE EET;
SELECT * FROM test2;
-- ts
-- ------------------------
-- 1921-01-01 02:00:00+02
-- 1921-04-29 02:00:00+02
-- 1921-04-30 02:00:00+02
-- 1921-05-01 02:00:00+02
-- 1922-01-01 02:00:00+02
-- 1999-01-08 14:05:06+02
-- 2012-06-07 03:00:00+03
-- (7 rows)
SET TIME ZONE 'Europe/Helsinki';
SELECT * FROM test2;
-- ts
-- ------------------------------
-- 1921-01-01 01:39:52+01:39:52
-- 1921-04-29 01:39:52+01:39:52
-- 1921-04-30 01:39:52+01:39:52
-- 1921-05-01 02:00:00+02
-- 1922-01-01 02:00:00+02
-- 1999-01-08 14:05:06+02
-- 2012-06-07 03:00:00+03
-- (7 rows)
----------------- [snip] ----------------------
Best regards
Kasper Rönning
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