From: | Thom Brown <thombrown(at)gmail(dot)com> |
---|---|
To: | Dave Page <dpage(at)pgadmin(dot)org> |
Cc: | Rob Wultsch <wultsch(at)gmail(dot)com>, John Gage <jsmgage(at)numericable(dot)fr>, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>, "Wang, Mary Y" <mary(dot)y(dot)wang(at)boeing(dot)com>, pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Need Some Recent Information on the Differences between Postgres and MySql |
Date: | 2010-06-25 08:52:05 |
Message-ID: | AANLkTilFeBXhlGmCEeGPnU-cuiFayKATtoZIQ08owRUO@mail.gmail.com |
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Lists: | pgsql-general |
On 25 June 2010 09:44, Dave Page <dpage(at)pgadmin(dot)org> wrote:
> On Fri, Jun 25, 2010 at 9:33 AM, Rob Wultsch <wultsch(at)gmail(dot)com> wrote:
>> MySQL has several full text search solutions. The built in MyISAM
>> solution is the best known, but there is also an engine for using
>> sphinx.
>>
>> ...
>>
>> And there are features that MySQL has that PG does not. Index only
>> queries is a massive feature. Pluggable backend storage engines are
>> another.
>
> Some might argue that is not a feature. Sure, it means you can have
> different types of storage, but it means the feature set gets
> fragmented - for example, if you want text search, you use MyISAM, but
> if you want relational integrity you have to use InnoDB or some other
> backend. You want both? Oh. Hmmm.
>
> It could also be argued that having a storage engine API means that
> the query planner/optimiser cannot have nearly as much knowledge about
> how the data is stored and what access characteristics it may have
> thus preventing it from being as well optimised as Postgres.
>
Didn't PostgreSQL used to have more than 1 storage engine in the past?
I thought I read somewhere it did, but it was decided it was a
compromise on stability and/or quality, so ended up using a single
kick-ass engine?
Thom
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