Hi,
Can someone enlighten me?
I know that I can insert date/time data along with time zone info into
the timestamp with time zone data type. My question is, can I extract
the *original* time zone info afterward? I seems impossible.
May be I should use date + time with time zone to preserve the time
zone info?
It seems the time with time zone data type can do this.
test=# create table t2(t time with time zone);
CREATE TABLE
test=#
test=# insert into t2 values('12:34:56 +0400');
INSERT 0 1
test=# select * from t2;
t
-------------
12:34:56+04
(1 row)
test=# select t at time zone 'jst' from t2;
timezone
-------------
17:34:56+09
(1 row)
test=# select t::time from t2;
t
----------
12:34:56
(1 row)
--
Tatsuo Ishii
SRA OSS, Inc. Japan
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