Re: The reasoning behind having several features outside

From: Jan Wieck <JanWieck(at)Yahoo(dot)com>
To: "Marc G(dot) Fournier" <scrappy(at)postgresql(dot)org>
Cc: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, nd02tsk(at)student(dot)hig(dot)se, pgsql-general(at)postgresql(dot)org
Subject: Re: The reasoning behind having several features outside
Date: 2004-10-30 20:15:07
Message-ID: 4183F64B.2000007@Yahoo.com
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On 10/30/2004 3:39 PM, Marc G. Fournier wrote:

> On Sat, 30 Oct 2004, Joshua D. Drake wrote:
>
>>
>>> Replication is one subsystem not included in source tree. But PostgreSQL
>>> has other subsystems that are included such as plugins for procedural
>>> languages. So isn't the same risks involved with them?
>>>
>>
>> No, not really. Because items such as plPerl don't require
>> changes to the backend. Replication requires changes to the backend.
>
> Replication doesn't require changes to the backend ... neither eRServer or
> Slony-I do, at least ...

Slony-II will probably need some additional features. But I consider it
a sign for an immature design not to be able to define those features in
form of an API and instead starting to hack together a prototype inside
of the backend that later down the road will get promoted to a solution
because there never will be any time to turn the findings of that
explore-phase into a design and develop according to that.

Jan

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