On Tue, Nov 10, 2015 at 11:10 AM, Jim Nasby <jim.na...@bluetreble.com> wrote: > On 7/26/15 8:40 PM, Thomas Munro wrote: >> >> I wonder if it might be worth adding a tiny note to the manual to >> point out that the special logic for "<row-valued-expression> IS [ NOT >> ] NULL" doesn't apply anywhere else that we handle nulls or talk about >> [non]-null values in the manual. See attached. > > Yes. This is a common point of confusion.
Agreed. But I actually don't know whether Thomas's proposed language matches the actual behavior in every case. -- 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
