BUG #1058: unexpected output when using timezone() and to_char()
The following bug has been logged online:
Bug reference: 1058
Logged by: Blake Crosby
Email address: bcrosby@nm.cbc.ca
PostgreSQL version: 7.3.2
Operating system: FreeBSD 5.1-RELEASE-p11
Description: unexpected output when using timezone() and to_char()
Details:
select to_char(CURRENT_TIMESTAMP,'Day Mon DD YYYY HH24:MI:SS TZ');
returns:
to_char
------------------------------------
Wednesday Jan 21 2004 10:02:11 EST
however,
select to_char(timezone('PST',CURRENT_TIMESTAMP),' Day Mon DD YYYY
HH24:MI:SS TZ');
returns:
to_char
----------------------------------
Wednesday Jan 21 2004 07:07:44
Notice the Time zone field (specified by 'TZ' in the to_char) is missing
from the output.
"PostgreSQL Bugs List" <pgsql-bugs@postgresql.org> writes:
however,
select to_char(timezone('PST',CURRENT_TIMESTAMP),' Day Mon DD YYYY
HH24:MI:SS TZ');
returns:
Wednesday Jan 21 2004 07:07:44
Notice the Time zone field (specified by 'TZ' in the to_char) is missing
from the output.
This isn't a bug. The timezone() function returns datatype timestamp
without time zone, so there is nothing that to_char could usefully
print.
regards, tom lane