Re: Data Warehouse Reevaluation - MySQL vs Postgres --

Hi, Steve,

On Wed, 15 Sep 2004 21:17:03 -0700
Steve Atkins <steve@blighty.com> wrote:

> On Wed, Sep 15, 2004 at 11:16:44AM +0200, Markus Schaber wrote:
> > But you have to add table constraints restricting the time after adding
> > the partition?
>
> Uhm... unless I'm confused that's not a meaningful thing in this context.
> There's no rule that's putting insertions into an inherited table - the
> decision of which inherited table to insert into is made at application
> level.

I thought of the query optimizer. I thought it could use the table
constraints to drop tables when creating the union. But now I think that
an index gives enough win, because the tree-based indices are rather
quick at returning zero rows when the queried value is out of the
indexed range.

Greetings,
Markus


--
markus schaber | dipl. informatiker
logi-track ag | rennweg 14-16 | ch 8001 zürich
phone +41-43-888 62 52 | fax +41-43-888 62 53
mailto:schabios@logi-track.com | www.logi-track.com