In article <415.1181255628@xxxxxxxxxxxxx>, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: % "George Pavlov" <gpavlov@xxxxxxxxxxxxxx> writes: % >> From: Joshua D. Drake [mailto:jd@xxxxxxxxxxxxxxxxx] % >> 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. Also, increasing effective_cache_size. (And increasing statistics...) -- Patrick TJ McPhee North York Canada ptjm@xxxxxxxxxxxx
