Re: Should we use MemSet or {0} for struct initialization?

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От Richard Guo
Тема Re: Should we use MemSet or {0} for struct initialization?
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Msg-id CAMbWs4-84LLhy0uXRvw9dSM7EJVSVwdTVRUtP6g6+y4HHsMvyg@mail.gmail.com
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Ответ на Re: Should we use MemSet or {0} for struct initialization?  (Peter Eisentraut <peter@eisentraut.org>)
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On Tue, Sep 19, 2023 at 5:37 PM Peter Eisentraut <peter@eisentraut.org> wrote:
On 31.08.23 10:32, Richard Guo wrote:
> While working on a bug in expandRecordVariable() I noticed that in the
> switch statement for case RTE_SUBQUERY we initialize struct ParseState
> with {0} while for case RTE_CTE we do that with MemSet.  I understand
> that there is nothing wrong with this, just cannot get away with the
> inconsistency inside the same function (sorry for the nitpicking).
>
> Do we have a preference for how to initialize structures?  From 9fd45870
> it seems that we prefer to {0}.  So here is a trivial patch doing that.
> And with a rough scan the MemSet calls in pg_stat_get_backend_subxact()
> can also be replaced with {0}, so include that in the patch too.

The first part (parse_target.c) was already addressed by e0e492e5a9.  I
have applied the second part (pgstatfuncs.c).

Thanks for pushing this.

Thanks
Richard

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