Re: [PERFORM] Help with rewriting query

2005-06-11 Thread Tobias Brox
[Kevin Grittner - Fri at 02:49:57PM -0500] > If you add a column to the person table for "last_food_id" and triggers > to maintain it when the food table is modified, voila! You have a > simple and fast way to get the results you want. Reminds me about the way the precursor software of our produc

Re: [PERFORM] faster search

2005-06-11 Thread Cosimo Streppone
Steve Atkins wrote: On Fri, Jun 10, 2005 at 01:45:05PM -0400, Clark Slater wrote: Hi- Would someone please enlighten me as to why I'm not seeing a faster execution time on the simple scenario below? > [...] > Create an index on (productlistid, typeid, partnumber) then select * from tes

Re: [PERFORM] faster search

2005-06-11 Thread Tom Lane
John A Meinel <[EMAIL PROTECTED]> writes: > I am a little surprised that it is taking 40s to scan only 400k rows, > though. Yeah, that seemed high to me too. Table bloat maybe? It would be interesting to look at the output of "vacuum verbose test" to see how much dead space there is.