On Mon, 24 Nov 2003, Javier Carlos wrote:

>
> Please enter a FULL description of your problem:
> -------------------------------------------------
>    When I make a SELECT with many tables (more than 12), postgresql eats all my
> %CPU and I've waited more than 1 hour and stays the same. The weird thing is
> that with 10 tables the same select with the same joins only takes about 5
> seconds. First I thought that It was a problem related with one specific table,
> but I've changed in the SELECT the tables and while the number of tables remains
> less than 12 all is ok.

As a question, does the query work if you SET geqo=off; or SET
geqo_threshold=<some higher number, say 20>?

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