Brendan Jurd escribió:
> On Thu, Apr 17, 2008 at 7:27 AM, Alvaro Herrera wrote:
> > One thing I'm not entirely happy about is the fact that we need a
> > pointer to the last footer/cell/header, so two pointers for each
> > element kind.
>
> Well, the alternative is iterating through the array each time you
> want to add something until you hit a NULL pointer, and adding the new
> item at that point. Considering we're only chewing up an extra 4 *
> sizeof(pointer) = 16 bytes in the struct, it seems like a reasonable
> price to pay for the convenience.
Well, consider that there are going to be 1 or 2 entries in the arrays
in most cases anyway :-) Well, as far as footers go anyway ... I just
realized that in all other cases it will certainly be the wrong thing to
do :-) Still, perhaps a integer count is better?
> What is it about the extra fields that makes you unhappy?
I don't know if "unnecessarity" is a word, but I hope you get what I
mean :-)
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
