On 22 February 2013 11:36, Peter Rabbitson <rabbit+d...@rabbit.us> wrote:

> At first glance yes. The problem here is that you are incorrectly
> assuming that given 'concept.concept_id' one can simply infer we are
> talking about the 'concept' from join => { element => 'concept' }.
> However the moment *another* 'concept' appears, possibly due to chaining
> somewhere deep in your app - what do you do? Here is a real test case: [1]

That problem already exists when referring to the alias of a
joined/prefetched table in the 'select' list or search specification,
though - this wouldn't introduce any *new* ambiguity at all, surely?
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