Re: Array performance

On Fri, Mar 24, 2006 at 02:01:29PM +0100, Ruben Rubio Rey wrote:
> >http://www.varlena.com/GeneralBits/109.php might provide some useful
> >insights. I also recall seeing something about sum operators for arrays,
> >but I can't recall where.
> >
> >
> I ll check it out, seems to be very useful
> Is faster create a function to sum the array?

There's been talk of having one, but I don't think any such thing
currently exists.

> >>AND array[20]<>0
> >>AND array[21]<>0
> >>...
> >>AND array[50]<>0
> >>AND array[51])<>0
> >>
> >>
> >
> >Uhm... please don't tell me that you're using 0 in place of NULL...
> >
> >
> mmm ... i have read in postgres documentation that null values on arrays
> are not supported ...

Damn, you're right. Another reason I tend to stay away from them...
--
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
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