On 7/30/16 1:18 AM, Pavel Stehule wrote: > We talked about this issue, when I wrote function pg_size_bytes. It is > hard to fix these functions after years of usage. The new set of > functions can be better > > pg_iso_size_pretty(); > pg_iso_size_bytes();
One thing that would actually be nice for other reasons as well is a version of pg_size_pretty() that lets you specify the output unit, say, as a second argument. Because sometimes you want to compare two tables or something, and tells you one is 3GB and the other is 783MB, which doesn't really help. If I tell it to use 'MB' as the output unit, I could get comparable output.
It is looks like some convert function
pg_size_to(size, unit, [others ... rounding, truncating]) returns numeric
select pg_size_to(1024*1024, 'KB')
Regards
Pavel
-- Peter Eisentraut http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services