Paul Newman wrote:
> Hi,
>
> We run with multiple identical schemas in our db. Each schema actually
> represents a clients db. What we'd like to do is have a common schema
> where trigger functions and the like are held whilst each trigger
> defined against the tables is in there own particular schema. This would
> mean that there is one function per trigger type to maintain.
>
>
>
> However at the moment we are placing the trigger functions within each
> schema along with trigger itself. The reason is that we don't know of a
> function or a variable that says "Give me the schema of the trigger that
> is calling this function".
You can pass a parameter into the function from the trigger definition.
That's probably the easiest way. In plpgsql, parameters appear in
TG_ARGV[]. Or, you could reverse-engineer the schema-name from TG_RELID.
http://www.postgresql.org/docs/8.1/static/plpgsql-trigger.html
HTH
--
Richard Huxton
Archonet Ltd