If you start psql with the -E option it will show you the query it runs
when it executes \df.
On 2000-01-29, Graeme Merrall mentioned:
> Hey all.
> I know ermm.. \df prints out all functions (not near my pgsql box!) but is
> there an SQL query to produce the same results?
>
> Cheers,
> Graeme
>
>
> ************
>
>
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