Re: [SQL] runaway backend process

> Any help with this problem would be greatly appreciated.  After
> executing the following query, the postgres backend server process that
> is executing the query grows in size until it consumes well over 200 MB
> and takes several minutes to finish:
> 
> select mlno from table where
>   (area='01' and sub_area='01') or
>   (area='01' and sub_area='02') or
>   (area='01' and sub_area='03') or
>   (area='01' and sub_area='04') or
>   (area='07' and sub_area='01') or
>   (area='07' and sub_area='02') or
>   (area='07' and sub_area='03') or
>   (area='08' and sub_area='01') or
>   (area='08' and sub_area='03') or
>   (area='09' and sub_area='01') or
>   (area='09' and sub_area='02') or
>   (area='04') or
>   (area='05') or
>   (area='06') or
>   (area='99');

We have problems processing a large number of OR's. 6.6 will be better
in this area.

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