On Thu, 2008-07-10 at 09:57 -0400, Alvaro Herrera wrote: > Ow Mun Heng wrote: > > > This is what I see on the table > > > > NEW attypmod = -1 > > OLD attypmod = 8 > > 8 means varchar(4) which is what you said you had (4+4) > -1 means unlimited size. > This is cool. If it were this simple a change, I'm not certain why (I believe) PG is checking each and every row to see if it will fit into the new column definition/type. Thus, I'm still a bit hesitant to do the change, although it is definitely a very enticing thing to do. ( I presume also that this change will be instantaneous and does not need to check on each and every row of the table?) Thanks./
