Re: [PATCH] pg_sleep(interval)

From: Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>
To: Vik Fearing <vik(dot)fearing(at)dalibo(dot)com>
Cc: PG Hackers <pgsql-hackers(at)postgresql(dot)org>, Josh Berkus <josh(at)agliodbs(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>
Subject: Re: [PATCH] pg_sleep(interval)
Date: 2013-10-17 13:37:34
Message-ID: alpine.DEB.2.02.1310171532000.10513@sto
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Hello Vik,

> I have attached here an entirely new patch (new documentation and
> everything) that should please everyone. It no longer overloads
> pg_sleep(double precision) but instead add two new functions:
>
> * pg_sleep_for(interval)
> * pg_sleep_until(timestamp with time zone)
>
> Because it's no longer overloading the original pg_sleep, Robert's
> ambiguity objection is no more.
>
> Also, I like how it reads aloud: SELECT pg_sleep_for('5 minutes');
>
> If people like this, I'll reject the current patch and add this one to
> the next commitfest.
>
> Opinions?

I liked overloading...

Anyway, I have not looked at the patch in details, but both functions
seems useful at least if you need to sleep, and the solution is
reasonable.

I also like "pg_sleep_until('tomorrow');" that I guess would work, but I'm
not sure of any practical use case for this one. Do you have an example
where it makes sense?

--
Fabien.

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