| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Ilia Evdokimov <ilya(dot)evdokimov(at)tantorlabs(dot)com>, Andrei Lepikhov <lepihov(at)gmail(dot)com>, Matheus Alcantara <matheusssilv97(at)gmail(dot)com>, Guillaume Lelarge <guillaume(at)lelarge(dot)info>, Daniel Gustafsson <daniel(at)yesql(dot)se>, Ibrar Ahmed <ibrar(dot)ahmad(at)gmail(dot)com>, "Gregory Stark (as CFM)" <stark(dot)cfm(at)gmail(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, vignesh C <vignesh21(at)gmail(dot)com>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: explain analyze rows=%.0f |
| Date: | 2025-02-12 18:40:15 |
| Message-ID: | 3365160.1739385615@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> I agree that showing 2 digits after the decimal point in all cases is
> not ideal, but I suggest that we take a practical approach. Figuring
> out dynamically what number of decimal digits to display in each case
> sounds complicated and we may spend a bunch of time arguing about the
> details of that and get nothing committed. If we just show 2 digits
> after the decimal point, it will not be perfect, but it will be 10^2
> times better than what we have now.
I was idly speculating yesterday about letting the Ryu code print
the division result, so that we get a variable number of digits.
Realistically, that'd probably result in many cases in more digits
than anybody wants, so it's not a serious proposal. I'm cool with
the fixed-two-digits approach to start with.
regards, tom lane
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