On Sep 30, 2011, at 12:07 PM, bricklen wrote: > I've been informed that this type of operation is called "symmetric > difference"[1], and can be represented by A ∆ B. A couple of > alternative names were proposed, "array_symmetric_difference" and > "array_xor". > Does anyone have a preference for the name? I assume that this > function might potentially be used by others now that it is in the pg > lists, so might as well give it an appropriate name now. > Is this something that could be written in C to make it faster (I don't know C) FWIW, speaking as somebody who has no need of this function, "array_xor" is a pretty clear name that indicates what's going to happen. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance