On tis, 2010-08-10 at 17:38 +0800, Boxuan Zhai wrote: > I am not sure if inheritance of MERGE is needed by postgres.
Yes, it is. > PS: for my investigation on the inheritance actions, I find that > although the children tables are modified by the UPDATE or DELETE > commands on their ancestor tables, the rules defined on them are not > activated during the query. Is this the case (I hope I am not asking a > stupid question)? And, if so, I may ask why we want it to act like > this. Your observation is correct. You could probably argue this way or that about how it should have been designed 20+ years ago, but this is how it is. In general, I wouldn't design new functionality on top of rules. Rules are pretty broken in many ways. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
