Michael Lewis <mlewis(at)entrata(dot)com> writes:
> Understood. My hope is to pass a parameter that gets overridden by the
> default so that I can pass other parameters that come after.
As David explained, function parameters don't work that way.
You could mechanize something like substitute-a-default-for-
null-input, but you'll have to do it with explicit logic.
regards, tom lane