On Thu, 2006-02-16 at 17:51 -0500, Greg Stark wrote: > > > Data types which could probably provide a useful function for f would be > > > int2, int4, oid, and possibly int8 and text (at least for SQL_ASCII). > > How exactly do you imagine doing this for text? > > I could see doing it for char(n)/varchar(n) where n<=4 in SQL_ASCII though. In SQL_ASCII, just take the first 4 characters (or 8, if using a 64-bit sortKey as elsewhere suggested). The sorting key doesn't need to be a one-to-one mapping. -- Mark Lewis
