Tom Lane wrote:
>>Perhaps we can change section 9.1 from "Logical Operators" to "Logical
>>Functions and Operators"? NULLVALUE() and NONNULLVALUE() can be
>>documented there, along with IS, IS NULL, and IS NOT NULL (which also
>>don't seem to have been covered yet in Chapter 9).
>
> I don't think we should document nullvalue() and nonnullvalue(), because
> they are not standard.
>
> As for "not covered", IS NULL is documented in 9.2 Comparison Operators.
Ah, it's not immediately visible so I missed that. Thanks.
--
dave