David Garamond <lists@zara.6.isreserved.com> writes:
> 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.
regards, tom lane