Re: [SQL] updateable/insertable view having left joined tables

2009-06-12 Thread Seb
The following seems to work, but I don't feel confident this is really the correct code: CREATE RULE shoe_upd AS ON UPDATE TO shoe DO INSTEAD ( UPDATE shoes SET sh_name = NEW.sh_name, sh_avail = NEW.sh_avail WHERE shoes.sh_id = NEW.sh_id; INSERT INTO shoelaces (sh_id, sl_na

Re: [SQL] Taking the cache out of the equation?

2009-06-12 Thread Greg Stark
On Sat, Jun 13, 2009 at 12:12 AM, Erik Jones wrote: > > On Jun 9, 2009, at 10:51 AM, Rob Sargent wrote: > >> Caching helps a *lot* and I'm thankful for that but I would like to take >> it out of the picture as I massage my queries for better performance. >>  Naturally the first invocation of the qu

Re: [SQL] Taking the cache out of the equation?

2009-06-12 Thread Erik Jones
On Jun 9, 2009, at 10:51 AM, Rob Sargent wrote: Caching helps a *lot* and I'm thankful for that but I would like to take it out of the picture as I massage my queries for better performance. Naturally the first invocation of the query cannot take advantage of the cache and these queries w

[SQL] updateable/insertable view having left joined tables

2009-06-12 Thread Seb
Hi, I'm taking a first foray into writing rules, and am struggling with one for a view that has a left joined table: ------ CREATE TABLE shoes ( sh_id serial PRIMARY KEY, sh_name text, sh_avail integer );

Re: [SQL] Find periods for a given... action set?

2009-06-12 Thread Achilleas Mantzios
Dobro Vece, smth like: SELECT a.user_id,a.action_mark,a.action_time,a.action_time- (select a2.action_time from actions a2 where a2.oid= (select a3.oid from actions a3 where a3.user_id=a.user_id and a3.action_mark='BEGIN' and a3.action_time I have a table where there are

[SQL] Find periods for a given... action set?

2009-06-12 Thread Mario Splivalo
I have a table where there are actinos for some user logged. It's part of the MPI system of some sort. For every user, action type and time of the action is logged. There are many action types but the ones which are of interest to me are BEGIN and END. I need to find the durations for all the p

Re: [SQL] setting the where clause

2009-06-12 Thread Jasen Betts
On 2009-06-10, johnf wrote: > Hi, > I'm am programming in python using the Dabo modules. www.dabodev.com if your > interested. Dabo is a framework that provides an easy way to build desktop > app's. To clear a data entry form. I have been setting the where clause > to "where 1=0". This of c