Re: Seq scan

From: Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: <stas-pgsql(at)xstas(dot)net>, <pgsql-general(at)postgresql(dot)org>
Subject: Re: Seq scan
Date: 2002-08-16 17:20:32
Message-ID: 20020816101922.L99304-100000@megazone23.bigpanda.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general


On Fri, 16 Aug 2002, Tom Lane wrote:

> Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> writes:
> > On Fri, 16 Aug 2002 stas-pgsql(at)xstas(dot)net wrote:
> >> "SELECT my_field FROM my_table WHERE id=12168996" takes
> >> about half a minute ( 'id' is an sequential indexed field in my_table )
> >>
> >> EXPLAIN says it is doing a Seq Scan
>
> > Have you vacuum analyzed the table?
>
> I'm betting it's ye olde wrong-datatype issue. What's the data type of
> id? If it's not int4 then a cast is indicated ...

Well, he said that the "solution below did not help" in response to a
message about casting the data type, so I was wondering if it was simply
a default stats case.

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message Bryan White 2002-08-16 17:22:08 query planner oddity for data constant vs current_date
Previous Message Tom Lane 2002-08-16 17:05:03 Re: Seq scan