Re: [HACKERS] Problem with complex query

> Hello!
> 
> Query:
> 
> SELECT DISTINCT p.subsec_id
>    FROM central cn, shops sh, districts d, positions p
>       WHERE cn.shop_id = sh.shop_id AND sh.distr_id = d.distr_id
>       AND   d.city_id = %d AND cn.pos_id = p.pos_id
>       AND   cn.date_i >= current_date - '7 days'::timespan
> 
> While running postgres slowly eats all swap space (30 Meg) and aborts:
> 
> pqReadData() -- backend closed the channel unexpectedly.
>         This probably means the backend terminated abnormally before or
> while processing the request.
> 
>    Is it I just have not enough memory or bug?

Not sure how to comment on this.  Is 6.5beta any better?

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