From: | "Ross J(dot) Reedstrom" <reedstrm(at)rice(dot)edu> |
---|---|
To: | "Pgsql-General(at)Postgresql(dot) Org" <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Large selects handled inefficiently? |
Date: | 2000-09-06 14:44:32 |
Message-ID: | 20000906094432.A17080@rice.edu |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
On Wed, Sep 06, 2000 at 09:33:07AM +0100, Jules Bean wrote:
>
> No, it's not really the DBD driver's fault. There is no (easy) way
> around it, since the flaw lies in the C library it uses. If the DBD
> driver wished to change behaviour, it could 'secretly' use cursors,
> but that would involve parsing queries to detect selects, which might
> be fragile.
>
Recent experience points out the fragility: the ODBC driver has an option
to try this: and there was just a bug report involving the driver's
attempts to use cursors with SELECT FOR UPDATE.
Ross
--
Ross J. Reedstrom, Ph.D., <reedstrm(at)rice(dot)edu>
NSBRI Research Scientist/Programmer
Computer and Information Technology Institute
Rice University, 6100 S. Main St., Houston, TX 77005
From | Date | Subject | |
---|---|---|---|
Next Message | Andreas Tille | 2000-09-06 14:49:48 | Re: 7.1 Release Date |
Previous Message | Adam Lang | 2000-09-06 14:39:11 | Re: install 7.0.2 host |