Tom Lane wrote:
> >> Thanks, and while I approve of that TODO, that's not actually the one I
> >> was talking about in the email. The one I was talking about was "change
> >> builtin set-returning functions to use OUT parameters so you can query
> >> them without knowing the result format" or something like that.
> >>
> >> So, please keep the one you added, but add this one as well.
>
> > Uh, I need more details on this. Can you give an example?
>
> Good:
>
> regression=# select * from pg_get_keywords();
> word | catcode | catdesc
> -------------------+---------+-----------------------
> abort | U | Unreserved
> absolute | U | Unreserved
> access | U | Unreserved
> ...
>
> Not so good:
>
> regression=# select * from pg_show_all_settings();
> ERROR: a column definition list is required for functions returning "record"
>
> There's no longer any very good reason for built-in SRFs to not define
> their own output record type.
TODO updated:
* Fix all set-returning system functions so they support a wildcard target list SELECT * FROM pg_get_keywords() works
butSELECT * FROM pg_show_all_settings() does not.
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +