On Thu, Jan 13, 2005 at 18:08:20 +0100, KÖPFERL Robert <[EMAIL PROTECTED]> wrote: > Hi, > > suppose I have a let's say heavy used table. There's a column containing > UNIQUE in4 > values. The data type musn't exceed 32-Bit. Since however the table is heavy > used 2^32 will be reached soon and then? There are far less than 4G-records > saved thus these values may be reused. How can this be accomplished? > > I already defined a sequence but then?
It is possible to let sequences roll over. One possible solution is to just try to do inserts with the sequence id and have the application retry when this fails. If the records being kept are almost all recent ones, this should work pretty well. ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
