Re: [PERFORM] un-understood index performance behaviour

2008-07-01 Thread Tom Lane
"Emiliano Leporati" <[EMAIL PROTECTED]> writes: > can anybody explain me why this happens ? and if i should try different > indexes ? Showing EXPLAIN ANALYE output would probably make things a lot clearer. regards, tom lane -- Sent via pgsql-performance mailing list (pgs

Re: [PERFORM] un-understood index performance behaviour

2008-07-01 Thread Scott Marlowe
On Tue, Jul 1, 2008 at 4:49 AM, Emiliano Leporati <[EMAIL PROTECTED]> wrote: > Hi, > i have a table with a huge amount of rows (actually 4 millions and a half), > defined like this: > > CREATE TABLE rtp_frame ( > i_len integer NOT NULL, > i_file_offset bigint NOT NULL, > i_file_id integ

[PERFORM] un-understood index performance behaviour

2008-07-01 Thread Emiliano Leporati
Hi, i have a table with a huge amount of rows (actually 4 millions and a half), defined like this: CREATE TABLE rtp_frame ( i_len integer NOT NULL, i_file_offset bigint NOT NULL, i_file_id integer NOT NULL, -- foreign key i_timestamp bigint NOT NULL, i_loop integer NOT NULL,