> CREATE FUNCTION "requests_insert_after" () RETURNS opaque AS '
> DECLARE
> view_name text;
> BEGIN
> view_name := ''request_'' || NEW.id;
> CREATE VIEW view_name AS select * from groups;
> return NEW;
> END' LANGUAGE 'plpgsql';
>
> CREATE TRIGGER "requests_insert_after" AFTER INSERT ON "requests" FOR
EACH ROW
> EXECUTE PROCEDURE "requests_insert_after" ();>>
>
> This code after an insertion on table "requests" give me this message
:
> <<
> PostgreSQL said: ERROR: parser: parse error at or near "$1"
> >>
>
> Why ?
>
You should check the documentation of plpgsql for the section
Executing dynamic queries (which also means commands like update, etc.)
e.g. to drop a view within plpgsql you have to code
EXECUTE ''DROP VIEW '' || quote_ident( view_name) ;
Regards, Christoph
