On 2015-08-12 18:52:59 -0400, Tom Lane wrote:
> Andres Freund <andres@anarazel.de> writes:
> > I went through all headers in src/include and checked for macros
> > containing [^&]&[^&] and checked whether they have this hazard. Found a
> > fair number.
>
> > That patch also changes !! tests into != 0 style.
>
> Looks OK to me, except I wonder why you did this
>
> #define TRIGGER_FIRED_FOR_ROW(event) \
> - ((event) & TRIGGER_EVENT_ROW)
> + (((event) & TRIGGER_EVENT_ROW) == TRIGGER_EVENT_ROW)
>
> rather than != 0. That way doesn't look either more efficient or
> more readable.
Purely consistency with the surrounding code. I was on the fence about
that one...