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From: Greg Stark <gsstark@mit.edu>
To: Kurt Overberg <kurt@hotdogrecords.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: massive INSERT
Date: 13 Mar 2003 19:20:36 -0500
Message-ID: <873clqer3f.fsf@stark.dyndns.tv> (raw)
In-Reply-To: <3E70C3BC.40904@hotdogrecords.com>
References: <3E70C3BC.40904@hotdogrecords.com>


Kurt Overberg <kurt@hotdogrecords.com> writes:

> ...I've found this to be faster then running the query, figuring out who needs
> to be removed from the group, who needs to be added and whatnot. The thing that
> I'm worried about is that this table is going to be pretty big (potentially
> millions of rows), and everytime I rebuild this table I lose (or at least
> invalidate) all my indexes.  Is that the case? Is constantly deleting then
> adding large numbers of rows from a table really bad for performance?  I'm
> worried this isn't going to scale well.  Anyone know of a better way to do
> this?   Thoughts and comments would be appreciated.



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