Re: BUG #1517: SQL interval syntax is accepted by the parser, - Mailing list pgsql-bugs

Bruce> This is going to be a backward compatibility problem, but
    Bruce> to support ANSI syntax we are going to need to do this.

Given the existence of the INTERVAL '1' MONTH etc syntax is completely
undocumented, I doubt it's a major problem.

(Actually, INTERVAL '1' and INTERVAL '1:30' are undocumented, too, but
it's probably more likely that people are relying on that).

     -roy