"Karl Wright" <kwright@xxxxxxxxxxxxx> writes: >> In this case it looks like the planner is afraid that that's exactly >> what will happen --- a cost of 14177 suggests that several thousand row >> fetches are expected to happen, and yet it's only predicting 5 rows out >> after the filter. It's using this plan anyway because it has no better >> alternative, but you should think about whether a different index >> definition would help. Another index won't help if the reason the cost is so high isn't because the index isn't very selective but because there are lots of dead tuples. -- Gregory Stark EnterpriseDB http://www.enterprisedb.com
