On Wed, Aug 9, 2017 at 9:25 PM, Alvaro Herrera <alvhe...@2ndquadrant.com> wrote:
> Tom Lane wrote:
>> I think generating whatever we can from a single authoritative file
>> is indeed a good idea.
>
> Yay.

Indeed.

>> But I had the impression that people also wanted to enforce a rule
>> about "only one use of each wait event name", which'd require a
>> checker script, no?  (I'm not really convinced that we need such a
>> rule, fwiw.)
>
> I'm not convinced of that, either.  Of the possible problems in the
> area, that seems the lesser one.

With a minimal maintenance effort we can be careful enough. I think
that a comment for example in pgstat.c about the usage uniqueness
would be an adapted answer.
-- 
Michael


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