Re: SELECT ignoring index even though ORDER BY and LIMIT present

[Szymon Guz <mabewlun@xxxxxxxxx>]

2010/6/2 Jori Jovanovich <jori@xxxxxxxxxxxxxxxx>

hi,

I have a problem space where the main goal is to search backward in time for events.  Time can go back very far into the past, and so the

table can get quite large.  However, the vast majority of queries are all satisfied by relatively recent data.  I have an index on the row creation date and I would like almost all of my queries to have a query plan looking something like:

[CUT]

Do you have autovacuum running? Have you tried updating statistics?

regards
Szymon Guz