Re: Valued Predicates

Richard Broersma Jr <rabroersma@yahoo.com> writes:
> In my reading of SQL for smarties I've stumbled across syntax that is supported by Postgresql.
> However, I can't find mention of it in the Postgresql Docs.

Which part of this do you claim is not documented?  It looks to me like
it's all covered in one of

http://developer.postgresql.org/pgdocs/postgres/functions-comparison.html
http://developer.postgresql.org/pgdocs/postgres/functions-comparisons.html#ROW-WISE-COMPARISON

            regards, tom lane