Adrian Klaver <adrian.klaver@aklaver.com> writes: > On 6/3/21 12:01 PM, Bruce Momjian wrote: >> On Thu, Jun 3, 2021 at 08:58:03PM +0200, Marc Millas wrote: >>> within a function, I want to create another function.
>> You can't create functions inside of functions; same for procedures.
> Sure you can:
Yeah. The actual problem here is that Marc is expecting variable substitution to occur within a utility (DDL) statement, which it doesn't. The workaround is to build the command as a string and use EXECUTE, as Adrian illustrated:
> EXECUTE 'create function ' || bidule || '() RETURNS void language > plpgsql AS $fnc$ BEGIN END; $fnc$ ';
This is not terribly well explained in the existing docs. I tried to improve the explanation awhile ago in HEAD: