Karel,
> IMHO nobody use it -- maybe we can keep it in sources for 7.4 and
> mark it in docs as deprecated and remove it in 7.5.
This seems to be consistent with my informal survey on PGSQL-SQL and on
#postgresql. Nobody seems to be using the current behavior.
> The date/time and numbers formatting share parser only. The current
> to_char(interval) is 20 lines of code only.
I'm not surprised.
> I want to write new library "libformattig", because I need to_char()
> features and some new extensions in the others projects -- it means
> in 7.5 will new to_char() code. The current code works without bugs,
> but it is not ideal code.
Please call on me if you want any additional help formulating a specification.
While I am not in any position to help with the code, I do use INTERVAL,
TIMESTAMP, TIME and DATE heavily and have strong opinions about usability.
Thanks!
--
Josh Berkus
Aglio Database Solutions
San Francisco