Re: citext operator precedence fix

> I'm OK with the proposed behavior change and I agree that it's
> probably what people want, but I am awfully suspicious that those
> extra casts are going to break something you haven't thought about.
> It might be worth posting a rough version first just to see if I (or
> someone else) can break it before you spend a lot of time on it.

Additional breakage confirmed (hash functions, etc.)  Looks like I need
to add a lot more support functions and test.   This is still worth
doing, but don't expect it for the next commitfest.

-- 
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com