| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Sergei Kornilov <sk(at)zsrv(dot)org>, Vik Fearing <vik(dot)fearing(at)2ndquadrant(dot)com>, Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Magnus Hagander <magnus(at)hagander(dot)net>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Ashutosh Sharma <ashu(dot)coek88(at)gmail(dot)com>, Euler Taveira de Oliveira <euler(at)timbira(dot)com(dot)br>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Dave Page <dpage(at)pgadmin(dot)org> |
| Subject: | Re: New function pg_stat_statements_reset_query() to reset statistics of a specific query |
| Date: | 2018-12-19 07:34:42 |
| Message-ID: | CAA4eK1KiYBmosf1m6aL7itXy+7fP8TYcy8DoXontm=Hxi6WXfA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Dec 15, 2018 at 12:14 AM Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>
> On Wed, Nov 28, 2018 at 1:43 PM Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> wrote:
> > Right, I think option 4 is a clear improvement over option 1. I can get
> > behind that one. Since not many people care to vote, I think this tips
> > the scales enough to that side.
>
> I'm showing up very late to the party here, but I like option 1 best.
> I feel like the SQL standard has a pretty clear idea that NULL is how
> you represent a value is unknown, which shows up in a lot of places.
> Deciding that we're going to use a different sentinel value in this
> one case because NULL is a confusing concept in general seems pretty
> strange to me.
>
The proposed patch has used option-4. I am not sure if you are
completely convinced or not, but I hope that you won't mind too much
if we pursue with option-4.
--
With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com
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