Jonathan Daugherty <cygnus(at)cprogrammer(dot)org> writes:
> I'm trying to write a PL/PgSQL function whose sole parameter is an
> array whose element type is a type that I've created.  For example:
> According to the 7.4 docs,
>  "Whenever a user-defined base data type is created, PostgreSQL
>  automatically creates an associated array type, whose name consists
>  of the base type's name prepended with an underscore.
The key word in that sentence is "base" data type --- ie, not composite.
We don't currently support arrays of composite types.  (Nor arrays of
domain types, either, IIRC.)
			regards, tom lane