Re: WIP: Range Types

2011/1/4 Jeff Davis <pgsql(at)j-davis(dot)com>:
> I have been updating my work in progress here:
>
> http://git.postgresql.org/gitweb?p=users/jdavis/postgres.git;a=log;h=refs/heads/rangetypes
>
> Right now, it's not in a reviewable state, but those interested can
> glance through the code.
>
> Quick synopsis (for illustration purposes only; don't expect much from
> the current code):
>
>  CREATE TYPE numrange
>    AS RANGE (SUBTYPE=numeric, SUBTYPE_CMP=numeric_cmp);

I am interested in how you define increment/decrement operation of
range value in discrete types. The window functions and PARTITION also
want to represent RANGE but there's no clear solution.

Sorry if it's already been discussed since I didn't track the threads.

Regards

--
Hitoshi Harada