From: Tom Lane <tgl@sss.pgh.pa.us>
To: Edward Ross <efrossuhl@gmail.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: problem converting strings to timestamps with time zone
Date: Wed, 28 Apr 2010 23:39:03 -0400
Message-ID: <853.1272512343@sss.pgh.pa.us> (raw)
In-Reply-To: <4BD8FCA6.1020901@gmail.com>
References: <4BD8FCA6.1020901@gmail.com>
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, efrossuhl@gmail.com
Subject: Re: problem converting strings to timestamps with time zone
In-Reply-To: <853.1272512343@sss.pgh.pa.us>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox