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Find LINQ ambiguities introduced by .NET 9 IAsyncEnumerable extensions

Recipe IDOpenRewrite.Recipes.CSharp.Migration.Dotnet.Net9.FindAsyncEnumerableLinqAmbiguity

ArtifactOpenRewrite.Recipes.CSharp.Migration.Dotnet

.NET 9 added LINQ extension methods on IAsyncEnumerable<T>. Types implementing both IQueryable<T> and IAsyncEnumerable<T> (notably EF Core DbSet<T>) now produce ambiguous Where/Select/FirstOrDefault/etc. calls. Flags such calls for manual disambiguation (typically by inserting .AsQueryable()).

Single recipeOpenRewritecsharplinqsearchnet9Moderne Proprietary License

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Usage

Run this recipe

In order to run C# recipes, you will need to use the Moderne CLI.

Once the CLI is installed, you can install this C# recipe package by running the following command:

Install the recipe package

mod config recipes nuget install OpenRewrite.Recipes.CSharp.Migration.Dotnet

Then, you can run the recipe via:

Run the recipe

mod run . --recipe OpenRewrite.Recipes.CSharp.Migration.Dotnet.Net9.FindAsyncEnumerableLinqAmbiguity