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) ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend
