The code for all nodes is in src/backend/executor. I think that you will find it useful to look at the big switch statements in ExecInitNode() and friends in execProcnode.c .
-- Peter Geoghegan http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training and Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
