Jean-Christophe Boggio <[EMAIL PROTECTED]> writes:
> A few days ago I read a very interesting doc about postgres' query
> planner, how to read an EXPLAIN plan, how is a cost calculated, etc.
> but I can't find it anymore.
If you're not thinking of the EXPLAIN tutorial in
http://www.postgresql.org/devel-corner/docs/postgres/performance-tips.html
then I'd be interested to know what you *are* thinking of...
regards, tom lane
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