Vik Fearing <v...@postgresfriends.org> writes:
> On 30/08/2025 13:49, Joel Jacobson wrote:
>> This polymorphic function produces an error if the input value is null,
>> otherwise it returns the input value unchanged.
> This only checks for the null value. I don't think we need to change
> the function's name, but we do need to be more precise in the
> documentation that it checks for the null value and not values that are
> null.
Agreed. You might be able to borrow some wording from the docs'
discussion of the IS [NOT] NULL construct, and/or IS DISTINCT FROM.
regards, tom lane
