On Fri, Jul 11, 2014 at 10:50 AM, 土卜皿 <pengcz.n...@gmail.com> wrote: > NOTE: fedora 17 x86_64, 7.2.2 can not be compiled in the env, I choose 8.4.0 > because I think old version is easier to understand than newer version! Are you aware that Postgres 7.2 has been released in 2002? It is EOL (end-of-life) since 2005 by looking at the release notes.
> I want to study pg's external sort (in tuplesort.c )through 8.4.0's source > code, and use ddd to do it, according to usingddd-postgres 's description: If you are planning to do some development in the future with or for Postgres, you would get a better insight by looking at more recent code. Here are some guidelines for example to use git, which is really helpful as a base infrastructure when studying the code: https://wiki.postgresql.org/wiki/Working_with_GIT Hope this helps. Regards, -- Michael -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers