Re: relation complex types

Jaime Casanova wrote:
> I knew that we create an entry in pg_type for every table we create,
> what i didn't know is that we actually create 2 entries.
> 
> for example CREATE TABLE foo (i int); will create types foo and _foo.
> so, any reason to create 2 entries?

I don't know offhand; maybe its the corresponding row/tuple type and 
table/relation type?

> anyway, what really kept my attention is that CREATE SEQUENCE also
> create an entry in pg_type. there is any reason for that?

This I'm fairly sure, is due to a sequence generator being implemented as a 
table/relation-typed variable, so it has a corresponding type like the regular 
table/relation-typed variables in the database.

-- Darren Duncan