db-derby-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Manish Khettry <manish.khet...@gmail.com>
Subject Re: jira question
Date Thu, 04 Aug 2005 17:56:54 GMT
On 8/3/05, Mike Matrigali <mikem_app@sbcglobal.net> wrote:
> I don't think I am willing to say generated columns are not useful without
> indexes, sorry if previous email led to that, actually I have not
> actually thought much about it.
> 
> I believe I was letting
> my predjudice through, I have always thought that an interesting set
> of problems could be solved if the optimizer work was done - so I
> was concentrating on that.  And I see that optimizer work as a stepping
> stone to even more possible interesting stuff in the future - things
> like gist indexes.
> 

So the optimizer work that you speak of is being able to check if two
expressions are equivalent?

Mime
View raw message