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
goingto happen.