Re: *very* slow query to summarize data for a month ... - Mailing list pgsql-performance

On Mon, 10 Nov 2003, Marc G. Fournier wrote:

>
> explain analyze SELECT ts.company_id, company_name, SUM(ts.bytes) AS total_traffic
>     FROM company c, traffic_logs ts
>    WHERE c.company_id = ts.company_id
>      AND month_trunc(ts.runtime) = '2003-10-01'
> GROUP BY company_name,ts.company_id;

What if you do

  ts.runtime >= '2003-10-01' AND ts.runtime < '2003-11-01'

and add an index like (runtime, company_name, company_id)?


--
/Dennis