Re: Sum of events over an interval; how?

It might help to have the structure of the table you're querying, like the
CREATE TABLE statement. Also what version of Postgres are you using?

Wes

S Dawalt <shane(dot)dawalt(at)wright(dot)edu>@postgresql.org on 02/18/2002 02:32:08 PM

Sent by: pgsql-general-owner(at)postgresql(dot)org

To: pgsql-general(at)postgresql(dot)org
cc:
Subject: [GENERAL] Sum of events over an interval; how?

? I have a number of records having a timestamp when something happened. I
am trying to find the number of events (records)?that happened per minute
over an hour timespan. I just cannot figure out how to do this.? Maybe
it's not possible?? Would a plpgsql function be a good idea so that the
number of front-end/back-end requests is small?? I'm looking for some
output (or maybe temp table) of:

Time??????????????? Count
2/17/2002 22:00:00??? 4
2/17/2002 22:01:00??? 7
2/17/2002 22:02:00???14
....

? Any help, even "Can't be done" is appreciated.

Shane A. Dawalt
********************************************
Network Engineer
Wright State University
Dayton,? OH?? 45435??? USA
Phone:? 937-775-4089
Email:? shane(dot)dawalt(at)wright(dot)edu