Torsten Förtsch <torsten.foertsch@gmx.net> wrote:
> I'd try 2 things:
>
> 1) set work_mem to ~100Mb. You don't have to do that globally in
> postgresql.conf. You can set it for the current session only.
>
> set work_mem to '100MB';
>
> Then run your query.
>
> 2) change the common table expression to a subquery:
Yeah, agree.
Andreas
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