set timestamp oddness - Mailing list pgsql-general

From Will Trillich
Subject set timestamp oddness
Date
Msg-id 20040405213856.GB24225@serensoft.com
Whole thread Raw
Responses Re: set timestamp oddness
List pgsql-general
not sure what it's supposed to look like, but i'm reasonably
sure 'show time zone' shouldn't produce this--

    db=# set timezone = '-6';
    SET
    db=# show timezone;
        TimeZone
    ----------------
     -00:00:00.0216
    (1 row)

very odd, that!

i'm using

    $ psql -V
    psql (PostgreSQL) 7.4.2
    contains support for command-line editing

on my debian/sarge (testing) system.



    db=# set timezone to '-5:00';
    ERROR:  unrecognized time zone name: "-5:00"

pooh. but this works, of course:

    hits=# set timezone = 'America/Chicago';
    SET
    hits=# show timezone;
        TimeZone
    -----------------
     America/Chicago
    (1 row)

(or anything else under /usr/share/zoneinfo...)



also--

    db=# select now() at time zone 'America/Chicago';
    ERROR:  time zone "america/chicago" not recognized

doesn't that conflict with the "set" command above? is there a
good reason for the syntax of the timezone to be different here?

    db=# select now() at time zone '-5';
    ERROR:  time zone "-5" not recognized

also in conflict with what 'set time zone' accepts...

    db=# select now() at time zone 'GMT-5';
    ERROR:  time zone "gmt-5" not recognized


oh well, it was worth a shot.

but then:

    db=# select now() at time zone 'CDT';
              timezone
    ----------------------------
     2004-04-05 16:26:49.991342
    (1 row)

the one that "set time zone" does NOT accept, "at time zone" DOES.
hmm?

--
"Why did they hard code that value into the program?".
"My only guess would be to maximize suckage."
http://suso.suso.org/docs/apache_and_frontpage/htmldocs/part4-2.phtml

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