Query: Final GroupBy with non-nullable column #29209
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Resolves #19929
Resolves #28300
Description
EF7 introduces support for
GroupBywhen it is the final operator in a query. However, this is not working when grouping by a property mapped to a non-nullable column.Customer impact
Attempting to group by a non-nullable column throws an exception.
How found
Writing What's New docs for EF7.
Regression
No; new feature in EF7.
Testing
Regression tests added.
Risk
Low; simple fix in new code path.