Re: index v. seqscan for certain values

From: Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>
To: jdunn(at)autorevenue(dot)com
Cc: "'Postgresql Performance'" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: index v. seqscan for certain values
Date: 2004-04-13 18:35:16
Message-ID: 1081881316.25537.562.camel@camel
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On Tue, 2004-04-13 at 14:04, Jeremy Dunn wrote:
>
> > There's a hard limit of 1000, I believe. Didn't it give you
> > a warning saying so?
>
> No warning at 2000, and no warning at 100,000 either!
>
> Remember we are still on 7.2.x. The docs here
> http://www.postgresql.org/docs/7.2/static/sql-altertable.html don't say
> anything about a limit.
>
> This is good to know, if it's true. Can anyone confirm?
>

transform=# alter table data_pull alter column msg set statistics
100000;
WARNING: lowering statistics target to 1000
ERROR: column "msg" of relation "data_pull" does not exist
transform=# select version();
version
----------------------------------------------------------------
PostgreSQL 7.4beta4 on i686-pc-linux-gnu, compiled by GCC 2.96
(1 row)

Robert Treat
--
Build A Brighter Lamp :: Linux Apache {middleware} PostgreSQL

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