Re: relpages in pg_class

2022-08-19 Thread Bruce Momjian
On Fri, Aug 19, 2022 at 11:25:52AM -0700, Peter Geoghegan wrote: > On Fri, Aug 19, 2022 at 9:40 AM Tom Lane wrote: > > Yeah, we use "blocks" and "pages" interchangeably, which is something > > I don't feel a need to change; but evidently the OP didn't realize that. > > This is a job for the glossa

Re: relpages in pg_class

2022-08-19 Thread Peter Geoghegan
On Fri, Aug 19, 2022 at 9:40 AM Tom Lane wrote: > Yeah, we use "blocks" and "pages" interchangeably, which is something > I don't feel a need to change; but evidently the OP didn't realize that. > This is a job for the glossary, perhaps? I think that they're synonyms that can often (but not alway

Re: relpages in pg_class

2022-08-19 Thread Tom Lane
Alvaro Herrera writes: > On 2022-Aug-19, Bruce Momjian wrote: >> Well, blocks and pages are the same size, so I don't see the problem. > If you think about operating system "blocks" rather than Postgres > "blocks", I can see how this can be interpreted differently. I'm not > sure if this is a go

Re: relpages in pg_class

2022-08-19 Thread Alvaro Herrera
On 2022-Aug-19, Bruce Momjian wrote: > On Fri, Aug 19, 2022 at 04:10:30AM +, PG Doc comments form wrote: > > The following documentation comment has been logged on the website: > > > > Page: https://www.postgresql.org/docs/14/catalog-pg-class.html > > Description: > > > > From source code, t

Re: relpages in pg_class

2022-08-19 Thread Bruce Momjian
On Fri, Aug 19, 2022 at 04:10:30AM +, PG Doc comments form wrote: > The following documentation comment has been logged on the website: > > Page: https://www.postgresql.org/docs/14/catalog-pg-class.html > Description: > > From source code, the relpage is the number of blocks. But, at the docu

relpages in pg_class

2022-08-19 Thread PG Doc comments form
The following documentation comment has been logged on the website: Page: https://www.postgresql.org/docs/14/catalog-pg-class.html Description: From source code, the relpage is the number of blocks. But, at the document, it is written as Size of the on-disk representation of this table in pages (