Dennis Cote wrote: > Barbara Weinberg wrote: >> I was wondering whether anyone had tried sorting records in random order >> using sqlite3. I tried sorting by random() and randomblob() but it was very >> slow and chewed up lots of resources. Any suggestions? > > Can you provide any more details about what you are trying to accomplish? > > There have been several previous discussions about selecting random > records from a table. You may want to look for those in the archives. If > you really need to sort the entire table then you are probably stuck > with the slow operation. If you only need a random subset of a table > then you may be able to use some of these ideas to speed things up. > > HTH > Dennis Cote >
If you have sequential rowids and know the largest then you can use a PRNG and get a random rowid to lookup. That will be optimally fast. _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
