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Check the execution plan. Run that as a LINQ statement, without AM. You should get the same result. |
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Version: x.y.z
AutoMapper 11.0.1
AutoMapper.Extensions.Microsoft.DependencyInjection 11.0.0
Microsoft.EntityFrameworkCore.SqlServer 6.0.4
Expected behavior
I'm trying to use groupby with returning the first result of a group. This got supported in the new version of EFCore: https://docs.microsoft.com/en-us/ef/core/what-is-new/ef-core-6.0/whatsnew#improved-groupby-support
Example:
I tried setting up a mapping from
T
toA
withCreateMap
andCreateProjection
. The result was the same.Actual behavior
The error I get after
ToListAsync
:If I skip the
GroupBy
,ProjectTo
works.Is there another way I could use this with projectTo?
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