On Wed, Jul 1, 2015 at 11:45 PM, Peter Eisentraut <pete...@gmx.net> wrote: > 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 defining a set of elements {} defines elements one by one, () and [] are used for ranges. Perhaps the difference is better this way. >> When k is not defined for a group, k = 1. > > How about putting it at the end? Like > > [foo,bar,baz](2) I am less convinced by that, now I won't argue against it either. -- Michael -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers