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Re: some dead code in functioncmds.c


  • From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
  • To: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
  • Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
  • Subject: Re: some dead code in functioncmds.c
  • Date: Fri, 30 Oct 2009 19:08:13 +0100
  • Message-id: <162867790910301108r2441875cg230cc2a8479ce2df@mail.gmail.com> <text/plain>

2009/10/30 Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>:
> Pavel Stehule wrote:
>> 2009/10/30 Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>:
>>> Pavel Stehule wrote:
>>>>       else
>>>>       {
>>>>               ereport(ERROR,
>>>>                               (errcode(ERRCODE_INVALID_FUNCTION_DEFINITION),
>>>>                                errmsg("function result type must be specified")));
>>>>               /* Alternative possibility: default to RETURNS VOID */
>>>>
>>>> /* WHY FOLOWING LINES? */
>>>>               prorettype = VOIDOID;
>>>>               returnsSet = false;
>>>>       }
>>> To keep the compiler quiet about using the variables uninitialized. The
>>> compiler doesn't know that ereport(ERROR) never returns.
>>
>> Should be similar code little bit commented?
>
> *shrug*, maybe, often we do put a "/* keep compiler quiet */" comment on
> such places.
>
> On closer look, the "Alternative possibility: default to RETURNS VOID"
> comment suggests that besides keeping the compiler quiet, those lines
> demonstrate an alternative behavior that was considered.

I prefere "keep compiler quiet". It is cleaner - and it is used more times.

Pavel
>
> --
>  Heikki Linnakangas
>  EnterpriseDB   http://www.enterprisedb.com
>



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