On Mon, Jun 24, 2013 at 3:18 PM, Ben <midfi...@gmail.com> wrote:

>
> create table jointable (
>   id1 integer not null,
>   id2 date not null,
>   id3 integer not null,
>   id4 time not null,
>   id5 integer not null
> );
>
> and then perform a join against this table.
>

Is it safe to assume you ANALYZEd the jointable after creating it? (I
assume so, just checking)



> as you increase the number of rows in jointable, the planner switches to a
> sort + merge.  in this case jointable has roughly 2 million rows.
>

Can you post the output of:

SELECT version();
SELECT name, current_setting(name), source
FROM pg_settings
WHERE source NOT IN ('default', 'override');

Reply via email to