On Tue, 12 Feb 2019, Adrian Klaver wrote:
'infinity' is the max date, so this is what you want?
Adrian, Nope. When I went to make a cup of coffee I realized that I need the other date constraints (such as IS NOT NULL), too. I'm re-wording the statement to put everything in the correct order. Will probably try DISTINCT ON, too, if that makes it simpler or faster. Thanks, Rich