Re: Fix for seg picksplit function
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alexander Korotkov <aekorotkov@gmail.com>
Cc: Alvaro Herrera <alvherre@commandprompt.com>, Yeb Havinga <yebhavinga@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2010-11-10T15:07:12Z
Lists: pgsql-hackers
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