Re: problem converting strings to timestamps with time zone

Tom Lane wrote:
> Edward Ross <efrossuhl(at)gmail(dot)com> writes:
>> Here is a sandbox example of what I mean.
>
>> CREATE TABLE test_0
>> (
>> string_value varchar(2047),
>> timestamp_value timestamp with time zone
>> );
>
>> insert into test_0
>> (string_value)
>> values
>> ('2010-03-12 17:06:21-0800'),
>> ('2009-08-14 16:47:40+0500'),
>> ('2010-03-22 22:45:59-0400');
>
>> As expected, select * from test_0; , produces the following:
>
>> string_value timestamp_value
>> 2010-03-12 17:06:21-0800 <null>
>> 2009-08-14 16:47:40+0500 <null>
>> 2010-03-22 22:45:59-0400 <null>
>
>> I would like to parse the strings into their equivalent timestamps
>> and put them in the timestamp_value column.
>
>> My attempt, so far, to update the table:
>
>> update value
>> set
>> timestamp_value =
>> to_timestamp(string_value, 'YYYY-MM-DD HH24:MI:SS-XXXX');
>
> Forget to_timestamp; just cast the string to timestamptz. The
> regular timestamp input converter will handle that format fine.
>
> regards, tom lane
>

That worked great.

Thanks very much,

Edward Ross