Horton

Re: PostgreSQL domains and NOT NULL constraint

Vik Fearing <vik@postgresfriends.org>

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From: Vik Fearing <vik@postgresfriends.org>
To: Isaac Morland <isaac.morland@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>
Cc: Erki Eessaar <erki.eessaar@taltech.ee>, "pgsql-hackers@lists.postgresql.org" <pgsql-hackers@lists.postgresql.org>
Date: 2023-10-23T21:01:17Z
Lists: pgsql-hackers 
On 10/23/23 20:36, Isaac Morland wrote:
> Also, where it says "Expressions evaluating to TRUE or UNKNOWN succeed": 
> Do we really mean "Expressions evaluating to TRUE or NULL succeed"?

No, UNKNOWN is the correct nomenclature for booleans.
-- 
Vik Fearing