Peter Geoghegan wrote: > On Wed, Nov 19, 2014 at 11:54 AM, Alvaro Herrera > <alvhe...@2ndquadrant.com> wrote: > > Peter Geoghegan wrote: > >> On Wed, Nov 19, 2014 at 11:34 AM, Alvaro Herrera > >> <alvhe...@2ndquadrant.com> wrote: > >> > 0 for a transposition, wow. > >> > >> Again, they're optimizing for short strings (git commands) only. There > >> just isn't that many transposition errors possible with a 4 character > >> string. > > > > If there's logic in your statement, I can't see it. > > The point is that transposition errors should not have no cost. If git > did not have an absolute quality test of a distance of 6, which they > can only have because all git commands are terse, then you could > construct a counter example.
Okay. My point is just that whatever the string length, I think we'd do well to regard transpositions as "cheap" in terms of error cost. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers