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Re: allowing multiple PQclear() calls

Boszormenyi Zoltan <zb@cybertec.at>

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From: Boszormenyi Zoltan <zb@cybertec.at>
To: Simon Riggs <simon@2ndQuadrant.com>
Cc: Marko Kreen <markokr@gmail.com>, Josh Kupershmidt <schmiddy@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2013-01-02T15:11:49Z
Lists: pgsql-hackers

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2012-12-11 16:09 keltezéssel, Simon Riggs írta:
> On 11 December 2012 12:18, Boszormenyi Zoltan <zb@cybertec.at> wrote:
>
>>>> Such mechanism already exist - you just need to set
>>>> your PGresult pointer to NULL after each PQclear().
>>> So why doesn't PQclear() do that?
>>
>> Because then PQclear() would need a ** not a *. Do you want its
>> interface changed for 9.3 and break compatibility with previous versions?
> No, but we should introduce a new public API call that is safer,
> otherwise we get people continually re-inventing new private APIs that
> Do the Right Thing, as the two other respondents have shown.
>

How about these macros?

Best regards,
Zoltán Böszörményi

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Zoltán Böszörményi
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