On Tue, 2007-02-06 at 16:54 -0500, Merlin Moncure wrote: > It would be great to be able to join to update, returning, etc. It > looks like the code was deliberately tied off as-is and I was > surprised not to see a todo for this. > > the basic idea is to be able to do things like: > select * from (update foo set id = 1 returning *) q; > > which currently syntax errors out on 'set' which is a bit odd. > > here are tom's brief notes on it and also some context on how select > combined with insert/update might influence triggers: > > http://archives.postgresql.org/pgsql-hackers/2006-10/msg00693.php >
Also a relevent thread: http://archives.postgresql.org/pgsql-general/2006-09/msg00803.php Regards, Jeff Davis ---------------------------(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
