From: DM <dm.aeqa@gmail.com>
To: efrossuhl@gmail.com
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-sql@postgresql.org
Subject: Re: problem converting strings to timestamps with time zone
Date: Thu, 29 Apr 2010 17:06:45 -0700
Message-ID: <s2neae6a62a1004291706h82a66c11mc06f9b01cdc39433@mail.gmail.com> (raw)
In-Reply-To: <4BD93C4D.20807@gmail.com>
References: <4BD8FCA6.1020901@gmail.com>
<853.1272512343@sss.pgh.pa.us>
<4BD93C4D.20807@gmail.com>
Could you please post the exact string how you did?
Thanks
Deepak
On Thu, Apr 29, 2010 at 12:59 AM, Edward Ross <efrossuhl@gmail.com> wrote:
> Tom Lane wrote:
>
>> Edward Ross <efrossuhl@gmail.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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To: pgsql-sql@postgresql.org
Cc: dm.aeqa@gmail.com, efrossuhl@gmail.com, tgl@sss.pgh.pa.us
Subject: Re: problem converting strings to timestamps with time zone
In-Reply-To: <s2neae6a62a1004291706h82a66c11mc06f9b01cdc39433@mail.gmail.com>
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