Re: index vs. seq scan choice?

"George Pavlov" <gpavlov@mynewplace.com> writes:
>> From: Joshua D. Drake [mailto:jd@commandprompt.com]
>> In those rare cases wouldn't it make more sense to just set
>> enable_seqscan to off; run query; set enable_seqscan to on;

> 1. these cases are not that rare (to me);

It strikes me that you probably need to adjust the planner cost
parameters to reflect reality on your system.  Usually dropping
random_page_cost is the way to bias the thing more in favor of
index scans.

            regards, tom lane