[Cubicweb] Proposal: new method ResultSet.one()

Denis Laxalde denis.laxalde at logilab.fr
Wed Dec 4 16:50:55 CET 2013

Christophe de Vienne a écrit :
> I propose to add a new method to ResultSet, named one(), that would
> return exactly one entity from the resultset.
> If more than one row and one column, or no row at all is found, an
> exception would be raised.

Request's find_one_entity method does something like that, even though 
you don't write RQL.

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