Message-ID: <50EB2E3E.2020406@encs.concordia.ca>
Date: Mon, 07 Jan 2013 15:21:18 -0500
From: Emi Lu <emilu@encs.concordia.ca>
Reply-To: emilu@encs.concordia.ca
User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/17.0 Thunderbird/17.0
MIME-Version: 1.0
To: pgsql-sql@postgresql.org
CC: "Jonathan S. Katz" <jonathan.katz@excoventures.com>
Subject: Re: Split a string to rows?
References: <50EB25B5.5020502@encs.concordia.ca>
	<747F3D71-64DE-4697-B5D5-D6476563801F@excoventures.com>
	<50EB2D19.8030308@encs.concordia.ca>
In-Reply-To: <50EB2D19.8030308@encs.concordia.ca>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Precedence: bulk
Sender: pgsql-sql-owner@postgresql.org

All right. I found the function.
http://wiki.postgresql.org/wiki/Array_Unnest

Thanks a lot!
Emi

On 01/07/2013 03:16 PM, Emi Lu wrote:
> Thanks a lot! I just noticed that my postgresql is 8.3(unnest function
> is not there by default). Is there a way that I could download and load
> only this function from somewhere?
>
> Thanks again!
> Emi
>
>
> On 01/07/2013 02:58 PM, Jonathan S. Katz wrote:
>> On Jan 7, 2013, at 2:44 PM, Emi Lu wrote:
>>
>>> Hello,
>>>
>>> Is there a function to split a string to different rows?
>>>
>>> For example, t1(id, col1)
>>> values(1, 'a, b, c');
>>>
>>> select id, string_split_to_row(col1, ',');
>>>
>>> Return:
>>> =========
>>> 1, a
>>> 1, b
>>> 1, c
>>
>>
>> You can probably use some combination of "string_to_array" and "unnest"
>>
>> e.g.
>>
>> SELECT unnest(string_to_array('a,b,c', ','));
>>
>>   unnest
>> --------
>>   a
>>   b
>>   c
>> (3 rows)
>>
>> If you need a more complex string splitting mechanism, there is the
>> "regexp_split_to_array" function.
>>
>> Jonathan
>>
>
>


-- 
Emi Lu, ENCS, Concordia University, Montreal H3G 1M8
emilu@encs.concordia.ca        +1 514 848-2424 x5884


-- 
Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-sql