Javier Carlos <[EMAIL PROTECTED]> writes:
> 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.
Hm. Are you using the default GEQO settings, or something custom?
regards, tom lane
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
