Re: INFORMATION_SCHEMA.routines column routine_definition does not show the source

Decided to ping this as I don't recall or see it getting patched and the
recent discussion regarding the prosrc field.

On Wed, Nov 3, 2021 at 9:46 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> "David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> writes:
> > The information schema query consults pg_proc.prosrc directly instead of
> > calling pg_get_functiondef(...) (which didn't exist when the original
> query
> > was written, and hasn't been wrong until now).
>
> pg_get_functiondef would produce more than we want, but it looks like
> pg_get_function_sqlbody() would do.
>
> BTW, while researching this I noted the header comment for
> pg_get_functiondef:
>
> * Note: if you change the output format of this function, be careful not
> * to break psql's rules (in \ef and \sf) for identifying the start of the
> * function body. To wit: the function body starts on a line that begins
> * with "AS ", and no preceding line will look like that.
>
> Needless to say, the SQL-function-body patch has ignored this advice
> totally. At the very least this comment needs to be adjusted, but
> I wonder if it's not telling us that \ef and/or \sf are broken.
>
>