"Alexandra Birch" <[EMAIL PROTECTED]> writes:
> It works perfectly - thanks a million!
> Strangely the offset 0 does not seem to make any difference.
> Gotta read up more about subqueries :)
>
> explain analyze
> select code,order_date
>from (
> select code, order_date
>
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Sent: viernes, 30 de enero de 2004 7:08
>
> Yeah, the problem with functional indexes is that the optimizer doesn't have
> any clue how the records are distributed since it only has statistics for
> columns, not your expression. Notice it's est