On Sat, Feb 5, 2011 at 04:24, Dimitri Fontaine <dimi...@2ndquadrant.fr> wrote: >> In math class, maybe. But in programming, no. Multiset is a >> datatype. Array is a different datatype. There is no reason why we >> need to clutter our parser with extra keywords to support a >> non-standard feature extension. > > My understanding is that we will have to have those functions defined > and user visible, and that we benefit from function overloading which is > not in the standard. So there's no reason not to provide those function > for arrays already, then extend to full multiset support. > > Given PostgreSQL overloading, yes, arrays are multisets as far as > defining those standard compliant APIs is concerned. AFAIUI.
Yes, I'd like to use overloading. Choosing arbitrary names increases learning costs for users. -- Itagaki Takahiro -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers