Re: refactor heap_deform_tuple guts - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: refactor heap_deform_tuple guts
Date
Msg-id 20130807143652.GD10718@eldon.alvh.no-ip.org
Whole thread Raw
In response to Re: refactor heap_deform_tuple guts  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: refactor heap_deform_tuple guts  (Andres Freund <andres@2ndquadrant.com>)
List pgsql-hackers
Robert Haas escribió:
> On Tue, Aug 6, 2013 at 6:32 PM, Alvaro Herrera <alvherre@2ndquadrant.com> wrote:
> > heap_deform_tuple and slot_deform_tuple contain duplicated code.  This
> > patch refactors them so that the guts are in a single place.
> >
> > I have checked the resulting assembly code for heap_deform_tuple, and
> > with the "inline" declaration, the gcc version I have (4.7.2) generates
> > almost identical output both after the patch than before, thus there
> > shouldn't be any slowdown.
> 
> Although I'm generally in favor of eliminating duplicated code, I have
> to admit that in this case I'm not sure I see the point.

Yeah, I guess in isolation this doesn't make that much sense.  I am
hesitant to create a third copy in the minmax patch, but I will do that
for now and propose the refactoring later.

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services



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