Re: question on most efficient way to increment a column

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От Tyson Maly
Тема Re: question on most efficient way to increment a column
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Msg-id 1368103810.99390.YahooMailNeo@web120506.mail.ne1.yahoo.com
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Ответ на Re: question on most efficient way to increment a column  (Scott Marlowe <scott.marlowe@gmail.com>)
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In some cases, it would be 2-10 times a second per id.



From: Scott Marlowe <scott.marlowe@gmail.com>
To: Tyson Maly <tvmaly@yahoo.com>
Cc: "pgsql-general@postgresql.org" <pgsql-general@postgresql.org>
Sent: Wednesday, May 8, 2013 10:10 PM
Subject: Re: [GENERAL] question on most efficient way to increment a column

How often are these updated? Once an hour, once a minute, once a
second, a thousand times a second?

If it's not more than once a second I would look at eager materialized
views as a possibility for handing this.

http://tech.jonathangardner.net/wiki/PostgreSQL/Materialized_Views#Eager_Materialized_View

On Wed, May 8, 2013 at 7:45 AM, Tyson Maly <tvmaly@yahoo.com> wrote:
> If I have a simple table with an id as a primary key that is a serial column
> and a column to keep track of a total_count for a particular id, what method
> would provide the fastest way to increment the total_count in the shortest
> amount of time and minimize any locking?
>
> id  serial
> total_count integer
>
> Best regards,
>
> Ty
>



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To understand recursion, one must first understand recursion.


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