John Beaver <[EMAIL PROTECTED]> writes:
> Ok, here's the explain analyze result. Again, this is Postgres 8.3.3 and 
> I vacuumed-analyzed both tables directly after they were created.

>  Merge Join  (cost=1399203593.41..6702491234.74 rows=352770803726 
> width=22) (actual time=6370194.467..22991303.434 rows=15610535128 loops=1)
                                                        ^^^^^^^^^^^

Weren't you saying that only 50 rows should be returned?  I'm thinking
the real problem here is pilot error: you missed out a needed join
condition or something.  SQL will happily execute underconstrained
queries ...

                        regards, tom lane

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