Jim C. Nasby wrote: > On Wed, Aug 16, 2006 at 07:21:06PM -0400, Gregory Stark wrote: > > This is the same issue we have with char(n) and numeric(x,y) already. If we > > found a general solution for getting the type name to the enum would it also > > help getting the typmod to char(n) and numeric(x,y)? Would it let us store > > those as fixed sized data types? > > Hopefully. It would be great to also have a fixed-width raw/bytea field. > See the recent discussions about adding a guid type, etc. > > How about this for a TODO: > > * Allow for field widths to be stored in the catalog instead of each tuple > > Data types such as char are usually used when the user knows that a > field will always contain a fixed amount of data. In these cases, > our char implementation is wasteful, because the varlena header > always contains the same value. If there was a mechanism to obtain > field widths from the catalog there would be no need to store the > field width in each tuple. This would be useful for other types as > well (UUID and ENUM, for example).
I don't think there is concensus on adding that. -- Bruce Momjian [EMAIL PROTECTED] EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. + ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
