On Tue, Aug 23, 2016 at 01:30:29PM -0400, Robert Haas wrote: > On Fri, Jul 29, 2016 at 8:18 PM, Bruce Momjian <br...@momjian.us> wrote: > > and the units were copied when pg_size_pretty() was implemented. These > > units are based on the International System of Units (SI)/metric. > > However, the SI system is power-of-10-based, and we just re-purposed > > them to be 1024 or 2^10-based. > > > > However, that is not the end of the story. > > Sure it is. The behavior of the code matches the documentation. The > documentation describes one of several reasonable behaviors. Full > stop. > > > I am thinking Postgres 10 would be a good time to switch to KB as a > > 1024-based prefix. Unfortunately, there is no similar fix for MB, GB, > > etc. 'm' is 'milli' so there we never used mB, so in JEDEC and Metric, > > MB is ambiguous as 1000-based or 1024-based. > > I think this would be a backward compatibility break that would > probably cause confusion for years. I think we can add new functions > that behave differently, but I oppose revising the behavior of the > existing functions ... and I *definitely* oppose adding new > behavior-changing GUCs. The result of that will surely be chaos.
Can you read up through August 1 and then reply? -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + As you are, so once was I. As I am, so you will be. + + Ancient Roman grave inscription + -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers