Ants Aasma <ants.aa...@gmail.com> writes:

> This is something that could be improved in SQLAlchemy, but as a
> workaround you can use the compiler extension to create the support
> yourself. Here's some example code. It uses some private internals
> from SQLAlchemy so you need to keep an eye on it that it doesn't break
> when changing versions.

Ah - thanks!  I had fiddled briefly trying to get away with just some
manual use of ClauseElement directly, but obviously that didn't work
with the tuple of columns.  I'm not that familiar with the SQLAlchemy
internals, so having a concrete TupleClause sample is very helpful.

-- David


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