Re: fastest way to retrieve data

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Hi Ric,

Try posting the actual slow query to the pgsql-sql mailing list and we can
all help you.

Try the usual speed tricks:

- ANALYZE
- VACUUM
- EXPLAIN ANALYZE
- CREATE INDEX
- REINDEX

Chris

> -----Original Message-----
> From: Ric Mañalac [mailto:ric.manalac@xxxxxxxxxxxxxxxxxx]
> Sent: Wednesday, 4 September 2002 11:52 AM
> To: Christopher Kings-Lynne
> Cc: pgsql-php@xxxxxxxxxxxxxx
> Subject: Re: [PHP] fastest way to retrieve data
>
>
> thanks chris. a colleague of mine is having a hard time with her
> queries. they usually take a long time to load. she's doing a lot
> of complicated queries across multiple tables and return them
> to HTML tables. do you have other tips to speed things up?
> thank you very much for the help.
>
> ric
>
> Christopher Kings-Lynne wrote:
>
> > Remember that looping over a result set doesn't require a
> 'connection' to
> > the server, the result is cached in the libpq library space...
> >
> > Also, building an array will mean it will suck down heaps of
> extra RAM.  I
> > suggest that you don't actually have a problem, and doing it
> the way you're
> > currently doing it is the fastest way.
> >
> > Chris
> >
> > > -----Original Message-----
> > > From: pgsql-php-owner@xxxxxxxxxxxxxx
> > > [mailto:pgsql-php-owner@xxxxxxxxxxxxxx]On Behalf Of Ric Mañalac
> > > Sent: Wednesday, 4 September 2002 11:25 AM
> > > To: pgsql-php@xxxxxxxxxxxxxx
> > > Subject: [PHP] fastest way to retrieve data
> > > Importance: High
> > >
> > >
> > > hi,
> > >
> > > is there a faster way to retrieve data from postgresql
> > > using php aside from the conventional way of looping
> > > through the number of records returned by pg_num_rows
> > > then executing pg_fetch_row on each iteration? isn't it
> > > possible to get the entire result set returned by pg_exec
> > > and save that to a multi-dimensional array? this way
> > > the program can disconnect from the db and just get
> > > the data from the multi-dimensional array. this would also
> > > shorten the number of requests to postgresql.
> > >
> > > would appreaciate any suggestions. thanks!
> > >
> > > regards,
> > >
> > > --
> > > Ric Mañalac
> > >
> > > http://www.webphilippines.com
> > > http://www.trabaho.com
> > > http://www.kasal.com
> > >
> > > Note:
> > >
> > > The information contained in this message may be privileged and
> > > confidential and protected from disclosure. If the reader of this
> > > message is not the intended recipient, or an employee or agent
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> > > this communication is strictly prohibited. If you have received this
> > > communication in error, please notify us immediately by replying to
> > > the message and deleting it from your computer. Thank you.
> > >
> > >
> > >
> > > ---------------------------(end of
> broadcast)---------------------------
> > > TIP 6: Have you searched our list archives?
> > >
> > > http://archives.postgresql.org
> > >
>
> --
> Ric Mañalac
> Head, Web Applications
> Head, Design
> Web Philippines, Inc.
>
> http://www.webphilippines.com
> http://www.trabaho.com
> http://www.kasal.com
>
> Note:
>
> The information contained in this message may be privileged and
> confidential and protected from disclosure. If the reader of this
> message is not the intended recipient, or an employee or agent
> responsible for delivering this message to the intended recipient, you
> are hereby notified that any dissemination, distribution or copying of
> this communication is strictly prohibited. If you have received this
> communication in error, please notify us immediately by replying to
> the message and deleting it from your computer. Thank you.
>
>



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