On Saturday, October 3, 2015, Dane Foster <studdugie(at)gmail(dot)com> wrote:
>
> Hi,
>
> Would you please provide the link to the section in the documentation that
> you are referring to because I'm new to PostgreSQL and I didn't know WHEN
> could be used outside of CASE and EXCEPTION blocks.
>
>
http://www.postgresql.org/docs/9.4/static/sql-createtrigger.html
David J.