On Thu, Jun 02, 2005 at 13:40:53 +0100, Richard Huxton <dev@xxxxxxxxxxxx> wrote: > > Actually, Dinesh didn't mention he was using this for the speed of > lookup. He'd defined the columns as being the PRIMARY KEY, presumably > because he feels they are/should be unique. Given that they are rows > from a logfile, I'm not convinced this is the case. Even for case you could still use hashes. The odds of a false collision using SHA-1 are so small that some sort of disaster is more likely. Another possibility is if there are a fixed number of possible messages, is that they could be entered in their own table with a serail PK and the other table could reference the PK. ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
