Re: Again, sorry, caching.

From: Karel Zak <zakkr(at)zf(dot)jcu(dot)cz>
To: mlw <markw(at)mohawksoft(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Again, sorry, caching.
Date: 2002-03-18 10:01:37
Message-ID: 20020318110137.B7736@zf.jcu.cz
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On Sat, Mar 16, 2002 at 09:01:28AM -0500, mlw wrote:

> "If it is mostly static data, why not just make it a static page?"
> Because a static page is a maintenance nightmare. One uses a database in a web
> site to allow content to be changed and upgraded dynamically and with a minimum
> of work.

It's ugly argumentation for DB cache. What generate web page after data
change and next time use it as static?

> I was thinking that it could be implemented as a keyword or comment in a query.
> Such as:
>
> select * from table where column = 'foo' cacheable

You can insert "mostly static data" into temp table and in next queries
use this temp table. After update/delete/insert can your application
rebuild temp table (or by trigger?).

Karel

--
Karel Zak <zakkr(at)zf(dot)jcu(dot)cz>
http://home.zf.jcu.cz/~zakkr/

C, PostgreSQL, PHP, WWW, http://docs.linux.cz, http://mape.jcu.cz

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