> Would it make sense to expand this to something like: > > Make it possible for rules to return affected tuples? > > I come to this because if you use a rule to create an updateable view, > you never know how many rows the view actually updated. >
Updatable views can be (maybe) implemented with updatable cursors. http://archives.postgresql.org/pgsql-hackers/2007-06/msg00335.php Regards Pavel Stehule ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match