Don Marvick <donmarv...@gmail.com> writes: > Since nobody replied, I would give it a try. I am going to implement the > merge pattern described in Knuth Page 365 (5.4.9), essentially it is as > follow: > - create initial runs using replacement selection (basically this is as in > the current implementation) > - add enough dummy runs of size 0 so that the number of sorted run minus one > can be divided by k-1 (k is merge fan in) > - repetitively merge k smallest runs until only 1 run left
How is this better than, or even different from, what is there now? regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers