Just make sure you've 'vacuum analyze'd your tables.
Chris
> -----Original Message-----
> From: pgsql-sql-owner@postgresql.org
> [mailto:pgsql-sql-owner@postgresql.org]On Behalf Of James Orr
> Sent: Friday, 10 May 2002 3:04 AM
> To: James Orr
> Cc: pgsql-sql@postgresql.org
> Subject: Re: [SQL] Help with indexes
>
>
> Never mind. I got it running faster.
>
> On Thu, 9 May 2002, James Orr wrote:
>
> > Hi,
> >
> > I need some help with this query, which is currently taking
> minutes to run
> > (it needs to be seconds!).
> >
> > SELECT
> > UPPER(teams.team_name),
> > players.first_name,
> > players.last_name,
> > NULL,
> > teams.id,
> > brackets.court,
> > teams.team_number
> > FROM
> > teams JOIN
> > players ON (teams.id = players.team) JOIN
> > brackets ON (teams.id = brackets.team)
> > WHERE
> > players.player_number = 1 AND
> > teams.complete AND
> > brackets.court = 580
> > ORDER BY
> > brackets.game_order,
> > teams.team_name
> > ;
> >
> > When I run it with EXPLAIN I get ...
> >
> >
> > Sort (cost=3.15..3.15 rows=1 width=60)
> > -> Nested Loop (cost=0.00..3.14 rows=1 width=60)
> > -> Nested Loop (cost=0.00..2.12 rows=1 width=48)
> > -> Seq Scan on players (cost=0.00..1.05 rows=1 width=28)
> > -> Seq Scan on teams (cost=0.00..1.04 rows=2 width=20)
> > -> Seq Scan on brackets (cost=0.00..1.01 rows=1 width=12)
> >
> > Now the indexes I have are:
> > On table players - unique btree on id
> > - unique btree on team, player_number
> > On table teams - unique btree on id
> > On table brackets - btree on court
> > - btree on team
> > - unique btree on court, team
> >
> > This is on version 7.1.3. Would upgrading to 7.2 make it faster?
> >
> > - James
> >
> >
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