Re: User defined aggregate function

"Patrick Mézard" <patrick.mezard_at_ifrance.com> a écrit dans le message de news:41a388f7$0$17378$8fcfb975_at_news.wanadoo.fr...

<snip>

> Is there any way to write something like:
> ---
> select stragg(values, ', ') from table;
> ---
>

 No, but you can do something like:

select stragg(stragg_type(values, ', ')) from table;

User defined aggregate function can have a parameter of composite type.

-- 
Regards
Michel Cadot