Re: Views and query planner

[Mario Splivalo <mario(dot)splivalo(at)mobart(dot)hr>]

On Fri, 2006-06-30 at 21:47 +0900, Michael Glaesemann wrote:
> On Jun 30, 2006, at 21:35 , Mario Splivalo wrote:
> 
> > Is postgres going to make one query plan, or each view has it own  
> > query
> > plan?
> 
> Have you taken a look at the EXPLAIN ANALYZE output of the queries?  
> You can see exactly which plan PostgreSQL will use.
> 

So, the performance will be the same if I use view on view, or I create
big select with those view definitions.

	Mario
-- 
Mario Splivalo
Mob-Art
mario(dot)splivalo(at)mobart(dot)hr

"I can do it quick, I can do it cheap, I can do it well. Pick any two."