Alexander Korotkov <aekorotkov@gmail.com> writes:
> On Wed, Nov 10, 2010 at 4:53 PM, Alexander Korotkov <aekorotkov@gmail.com>wrote:
>> Actually I can't understand the purpose of FirstOffsetNumber
>> and OffsetNumberNext macros.
> For example, if we assume, that OffsetNumberNext can do something other that
> just increment, that we shouldn't use it in loop on sortItems,
Right. Good style is to use FirstOffsetNumber/OffsetNumberNext if you
are walking through the items on a page. They should *not* be used when
you are just iterating over a local array. I'd go with "for (i = 0;
i < nitems; i++)" for the latter.
regards, tom lane