On Tue, Sep 3, 2013 at 09:32:44PM -0400, Bruce Momjian wrote: > In this test, SELECT NULL (which internally would produce SELECT > ROW(NULL)), returns TRUE, while SELECT ROW(NULL) and further nesting > returns false. > > This has made me adjust my goal and change it so SELECT ROW(NULL) IS > NULL returns true, and any further nesting returns false. > > Attached is a patch which accomplishes this, and a documentation update.
I have not heard any feedback on this patch, so I would like to apply it to give us a nested ROW/IS NULL API we can document. It would have to be marked in the release notes as a backward incompatibility. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers