On Sun, May 07, 2006 at 12:16:16AM +0200, Thomas Hallgren wrote:
> Yes, the intarray stuff was very helpful but also somewhat confusing.
> Why are there two ways of representing some of the array types? I mean,
> why is there an _int4 when you could just as well write int4[]? I'm
> probably missing the point altogether.
FWICT, Prefixing a '_' is the convention used to make the array type's typname
unique. Being able to reference array types as _type is a "side effect".
(array types being actual rows in pg_type)
