Re: cleanup in code

From: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
To: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, David Rowley <dgrowleyml(at)gmail(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: cleanup in code
Date: 2014-01-08 03:27:27
Message-ID: CAA4eK1JQGdT4An1rXOdKk75hBhy8NiJVKKUL2Rdvo_AfcRzA8Q@mail.gmail.com
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On Wed, Jan 8, 2014 at 1:25 AM, Heikki Linnakangas
<hlinnakangas(at)vmware(dot)com> wrote:
> On 01/07/2014 05:20 PM, Tom Lane wrote:
>>
>> David Rowley <dgrowleyml(at)gmail(dot)com> writes:
>>>
>>> I think it will be like Andres said up thread, to stop multiple
>>> evaluations
>>> of the expression passed to the macro.
>>
>>
>> Exactly. We are not going to risk multiple evals in a macro as commonly
>> used as elog/ereport; the risk/benefit ratio is just too high.
>>
>> I don't see anything wrong with suppressing this warning by inserting
>> an additional return statement. The code is already plastered with such
>> things, from the days before we had any unreachability hints in
>> elog/ereport. And as I said upthread, there is no good reason to suppose
>> that the unreachability hints are always recognized by every compiler.
>> I take this behavior of MSVC as proof of that statement.
>
>
> Yeah, I was just surprised because I thought MSVC understood it. Committed
> the additional return statement.

Thanks for committing both the patches for cleanup.

With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com

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