| From: | btkimurayuzk <btkimurayuzk(at)oss(dot)nttdata(dot)com> |
|---|---|
| To: | Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com> |
| Cc: | tgl(at)sss(dot)pgh(dot)pa(dot)us, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Add SQL function to show total block numbers in the relation |
| Date: | 2019-11-13 01:55:36 |
| Message-ID: | eb5d9cdb1b470c687df85c3f932f66d6@oss.nttdata.com |
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| Thread: | |
| Lists: | pgsql-hackers |
> Size in block number is useless for those who doesn't understand the
> notion of block, or block size. Those who understands the notion
> should come up with the simple formula (except the annoying
> casts). Anyone can find the clue to the base values by searching the
> document in the Web with the keywords "block size" and "relation size"
> or even with "table size". (FWIW, I would even do the same for the new
> function if any...) If they need it so frequently, a user-defined
> function is easily made up.
>
> regards.
I didn't know about the existence of the user-defined function .
I fully understood , Thanks .
Regards,
Yu Kimura
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