Re: extra info - curious delay on view/where

Hi Folks,

It´s just for curiosity I ask:

Could an INDEX speed up that SELECT?

Thanks in advance, and sorry for my newbies questions.

André
(Brazilian User)

> On Thursday 28 October 2004 11:16 am, Gary Stainburn wrote:
> > Hi folks.
> >
> > I have the following view:
> >
> > CREATE VIEW "stock_available" as
> > SELECT * FROM stock_details
> > WHERE available = true AND visible = true AND
> > location not in (SELECT descr FROM ignored);
> >
> > Stock_details is itself a view pulling in a number of
tables.
> > Everything works fine until I try to pull in only the
details for a
> > specific branch, using the following.
> >
> > select * from stock_available where branch = 'Leeds';
> > or
> > select * from stock_available where branch = 'Doncaster';
> >
> > At this point, the query takes 11 seconds. Any other
quiery,
> > including
> [snip]
>
> Once thing I forgot to mention. If I run the above on the
base view
> stock_details, it returns in < 1 second too.
> --
> Gary Stainburn
>
> This email does not contain private or confidential
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>
>
> ---------------------------(end of broadcast)---------------
------------
> TIP 9: the planner will ignore your desire to choose an
index scan if your
> joining column's datatypes do not match
>

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