Do AutoMapper IQueryable Extensions Extend with EF 6.1?

Question

I keep getting Exceptions when trying to resolve entities with AutoMapper in viewmodels, and I can't figure out why.

Following code

Mapper.CreateMap<Article, ArticleViewModel>()
   .ForMember(a => a.CreatedDate, a => a.ResolveUsing<DateResolver>())
   .ForMember(a => a.Content, a => a.ResolveUsing<ContentResolver>().ConstructedBy(() =>
      new ContentResolver(articleParserFactory)));

var test = this.context.Articles
         .Project()
         .To<ArticleViewModel>()
         .ToArray();

always throws an exception with the message "Unable to resolve this for Queryable Expression". How can i fix this?

EDIT: this does not seem to be a problem for .Project (). To (), if I remove ValueResolvers in the above code, AutoMapper does its thing. Strange, if I stick only with DateResolver, AutoMapper never enters the ResolveCore method, but instead throws the same exception.

Answer 1

ValueResolvers are not supported with Queryable Extensions in AutoMapper:

https://github.com/AutoMapper/AutoMapper/wiki/Queryable-Extensions#supported-mapping-options

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