On Sun, 2005-03-20 at 00:29 -0400, Alvaro Herrera wrote: > On Sat, Mar 19, 2005 at 07:05:53PM -0500, Tom Lane wrote: > > Alvaro Herrera <[EMAIL PROTECTED]> writes: > > > We probably also need multi-table indexes. > > > > As Josh says, that seems antithetical to the main point of partitioning, > > which is to be able to rapidly remove (and add) partitions of a table. > > If you have to do index cleaning before you can drop a partition, what's > > the point of partitioning? > > Hmm. You are right, but without that we won't be able to enforce > uniqueness on the partitioned table (we could only enforce it on each > partition, which would mean we can't partition on anything else than > primary keys if the tables have one). IMHO this is something to > consider.
Could uniqueness across partitions be checked for using a mechanism similar to what a deferred unique constraint would use (trigger / index combination)? ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])