Re: Another question about partitioning - Mailing list pgsql-general

From paul rivers
Subject Re: Another question about partitioning
Date
Msg-id 474E12E9.3080107@gmail.com
Whole thread Raw
In response to Re: Another question about partitioning  (Alex Vinogradovs <AVinogradovs@Clearpathnet.com>)
Responses Re: Another question about partitioning  (paul rivers <rivers.paul@gmail.com>)
List pgsql-general
Alex Vinogradovs wrote:
> Yes, I enter query manually while testing. Here are explain plans :
>
> for select count(*) from poll_3 where eid = 72333
>
> "Aggregate  (cost=34697.64..34697.65 rows=1 width=0)"
> "  ->  Seq Scan on poll_3  (cost=0.00..34650.40 rows=18893 width=0)"
> "        Filter: (eid = 72333)"
>
>
> for for select count(*) from poll where eid = 72333
>
> "Aggregate  (cost=320001.59..320001.60 rows=1 width=0)"
> "  ->  Append  (cost=0.00..319570.78 rows=172323 width=0)"
> "        ->  Seq Scan on poll  (cost=0.00..27.50 rows=17 width=0)"
> "              Filter: (eid = 72333)"
> "        ->  Seq Scan on poll_0 poll  (cost=0.00..14348.85 rows=9014
> width=0)"
> "              Filter: (eid = 72333)"
> "        ->  Seq Scan on poll_1 poll  (cost=0.00..34796.82 rows=18735
> width=0)"
> "              Filter: (eid = 72333)"
> "        ->  Seq Scan on poll_2 poll  (cost=0.00..34993.84 rows=18527
> width=0)"
>
Do you have appropriate check constraints defined on table poll?  Can
you include a \d poll?

Also, what version is this?

Paul



pgsql-general by date:

Previous
From: Alvaro Herrera
Date:
Subject: Re: Cluster using tablespaces?
Next
From: paul rivers
Date:
Subject: Re: Another question about partitioning