Re: problem converting strings to timestamps with time zone

Could you please post the exact string how you did?

Thanks
Deepak

On Thu, Apr 29, 2010 at 12:59 AM, Edward Ross <efrossuhl(at)gmail(dot)com> wrote:

> 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
>
>
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