Thread: [GENERAL] Fwd: [webmaster] Update query issue

On 01/17/2017 08:43 AM, kumar s wrote:
>
> ---------- Forwarded message ----------
> From: *Jonathan S. Katz* <jkatz@postgresql.org
> <mailto:jkatz@postgresql.org>>
> Date: Tue, Jan 17, 2017 at 9:33 PM
> Subject: Re: [webmaster] Update query issue
> To: kumar s <leelaseshukumar@gmail.com <mailto:leelaseshukumar@gmail.com>>
> Cc: webmaster@postgresql.org <mailto:webmaster@postgresql.org>
>
>
> Hi Kumar,
>
> This email address is for issues pertaining to the postgresql.org
> <http://postgresql.org> website.  Your question is better suited for the
> pgsql-general@postgresql.org <mailto:pgsql-general@postgresql.org>
> mailing list.
>
> Best,
>
> Jonathan
>
>> On Jan 17, 2017, at 5:33 AM, kumar s <leelaseshukumar@gmail.com
> <mailto:leelaseshukumar@gmail.com>> wrote:
>>
>> Hi team thanks for giving option....
>> I am getting update problem ...after update row thst row appended end
> of the table ...i need update row without change row position if any
> possible please rply .

In Postgres UPDATE is actually DELETE old row, INSERT new row so the row
position will change.

Why is the new row being in a new position a problem?

>>
>>
>>
>> --
>> Kumar
>
>


--
Adrian Klaver
adrian.klaver@aklaver.com

On Jan 17, 2017, at 5:33 AM, kumar s <leelaseshukumar@gmail.com

<mailto:leelaseshukumar@gmail.com>> wrote:

Hi team thanks for giving option....
I am getting update problem ...after update row thst row appended end

of the table ...i need update row without change row position if any
possible please rply .

In Postgres UPDATE is actually DELETE old row, INSERT new row so the row position will change.

Why is the new row being in a new position a problem?

to add to this, relations (tables) are considered unordered sets, if you want a specific order, use ORDER BY in your query.

-- 
john r pierce, recycling bits in santa cruz