Re: [PERFORM] DISTINCT Question

2007-05-08 Thread Scott Marlowe
On Tue, 2007-05-08 at 14:52, Y Sidhu wrote: > Does using DISTINCT in a query force PG to abandon any index search it > might have embarked upon? explain analyze select distinct request from businessrequestsummary where lastflushtime between now() - interval '30 minutes' and now();

Re: [PERFORM] DISTINCT Question

2007-05-08 Thread Joshua D. Drake
Y Sidhu wrote: Does using DISTINCT in a query force PG to abandon any index search it might have embarked upon? Depends on the where clause. -- Yudhvir Singh Sidhu 408 375 3134 cell -- === The PostgreSQL Company: Command Prompt, Inc. === Sales/Support: +1.503.667.4564 || 24x7/Emerg

Re: [PERFORM] DISTINCT Question

2007-05-08 Thread Steinar H. Gunderson
On Tue, May 08, 2007 at 12:52:35PM -0700, Y Sidhu wrote: > Does using DISTINCT in a query force PG to abandon any index search it might > have embarked upon? No. If you need help with a specific query, please post it, along with your table definitions and EXPLAIN ANALYZE output. /* Steinar */ --

[PERFORM] DISTINCT Question

2007-05-08 Thread Y Sidhu
Does using DISTINCT in a query force PG to abandon any index search it might have embarked upon? -- Yudhvir Singh Sidhu 408 375 3134 cell