On 6/26/15 1:46 AM, Michael Paquier wrote: > - k(elt1,elt2,eltN) means that we need for the k elements in the set > to return true (aka commit confirmation). > - k[elt1,elt2,eltN] means that we need for the first k elements in the > set to return true.
I think the difference between (...) and [...] is not intuitive. To me, {...} would be more intuitive to indicate order does not matter. > When k is not defined for a group, k = 1. How about putting it at the end? Like [foo,bar,baz](2) -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers