Hi all.
I've been experimenting a little with Cayenne 4.2. It looks lovely and I can't 
wait to start using it.

One thing I bumped into is that StringProperty does not implement 
ComparableProperty. Although I'd personally never design a DB or a system that 
requires this, I work with a couple of legacy systems that use comparison of 
string fields ("someString">"otherString" etc.). Doing a little googling seems 
to show that it's also a bit of a practice and widely supported by DBs.

So… Do you think StringProperty should implement ComparableProperty? I'm torn 
myself. It feels wrong—but if it's supported by DBs and widely used, perhaps 
the Cayenne API should allow for that?

Cheers,
- hugi

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