On Fri, Feb 11, 2011 at 3:03 PM, Jeff Davis <pg...@j-davis.com> wrote: > Well, there is a certain amount of localized clarity, I will agree with > that. The complexity comes when you accidentally rely on some > transformation which seems logically sound, but could result in a > transient empty range, which then throws an error.
But by this argument you also need to support discontiguous ranges, don't you? I mean, if you want to insist that A intersect B has to still be a legal range, what about A union B? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
