Hi
I returned to possibility to sort output of \d* and \l by size. There was more a experiments in this area, but without success. Last patch was example of over engineering, and now, I try to implement this feature simply how it is possible. I don't think so we need too complex solution - if somebody needs specific report, then it is not hard to run psql with "-E" option, get and modify used query (and use a power of SQL). But displaying databases objects sorted by size is very common case.
This proposal is based on new psql variable "SORT_BY_SIZE". This variable will be off by default. The value of this variable is used only in verbose mode (when the size is displayed - I don't see any benefit sort of size without showing size). Usage is very simple and implementation too:
\dt -- sorted by schema, name
\dt+ -- still sorted by schema, name
\set SORT_BY_SIZE on
\dt -- sorted by schema, name (size is not calculated and is not visible)
\dt+ -- sorted by size
\dt+ public.* -- sorted by size from schema public
Comments, notes?
Regards
Pavel
