| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | "Shulgin, Oleksandr" <oleksandr(dot)shulgin(at)zalando(dot)de>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com>, Corey Huinker <corey(dot)huinker(at)gmail(dot)com>, Guillaume Lelarge <guillaume(at)lelarge(dot)info>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: custom function for converting human readable sizes to bytes |
| Date: | 2016-01-04 20:50:28 |
| Message-ID: | CA+TgmoYbNNG67hRC+7nWtFwBEQRMgPHVBYf0_RSKrvaydZkujw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Jan 4, 2016 at 3:48 PM, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> wrote:
> Robert Haas wrote:
>
>> But you could also write SELECT relname FROM pg_class WHERE
>> pg_relation_size(oid) > 100 * 1024^3, which is actually fewer
>> characters. Maybe pg_size_bytes('100 GB') is easier for some people
>> to remember than 100 * 1024^3, but I'm probably not one of those
>> people.
>
> Nah, that might work for geek types, but I doubt it's the preferred
> spelling for most people. I think the proposal is quite reasonable.
>
> If we were only catering for people who can do 2^10 arithmetic off the
> top of their heads, we wouldn't have pg_size_pretty at all, would we?
Well, I don't know what 100 * 1024^3 is off the top of my head, but I
know that I can compute it by typing exactly that. So I think one
direction is easier than the other. However, IJWH.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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