EntityFrameworkCore.Parallel 5.0.3

There is a newer version of this package available.
See the version list below for details.

dotnet add package EntityFrameworkCore.Parallel --version 5.0.3

NuGet\Install-Package EntityFrameworkCore.Parallel -Version 5.0.3

This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.

<PackageReference Include="EntityFrameworkCore.Parallel" Version="5.0.3" />

For projects that support PackageReference, copy this XML node into the project file to reference the package.

<PackageVersion Include="EntityFrameworkCore.Parallel" Version="5.0.3" />
                    

                            Directory.Packages.props

<PackageReference Include="EntityFrameworkCore.Parallel" />
                    

                            Project file

For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.

paket add EntityFrameworkCore.Parallel --version 5.0.3

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

#r "nuget: EntityFrameworkCore.Parallel, 5.0.3"

#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.

#:package EntityFrameworkCore.Parallel@5.0.3

#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.

#addin nuget:?package=EntityFrameworkCore.Parallel&version=5.0.3
                    

                            Install as a Cake Addin

#tool nuget:?package=EntityFrameworkCore.Parallel&version=5.0.3
                    

                            Install as a Cake Tool

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

EntityFrameworkCore.Parallel

This extension to Entity Framework Core adds a Set<TContext, TEntity>() method to IDbContextFactory<TContext>. For easy use it also adds a Parallel() method to IDbContextFactory<TContext> and a Set<TEntity>() method to IDbContextFactory<DbContext>. This allows you to easily execute multiple queries in parallel without the need to write complex code, or a lot of using blocks or statements. You can stick to all your known methods from IQueryable<TEntity>. As the context is disposed after your query is executed, all results will obviously not be tracked and disconnected from any DbContext.

How to use

In your Program.cs, add a DbContextfactory. If you want a pooled one, or not is up to you.

builder.Services.AddPooledDbContextFactory<OrderContext>(options => options.UseSqlServer(@"Server=(localdb)\mssqllocaldb;Database=OrderTest"));

In your business class, inject an IDbContextFactory<TContext> and use it like this

var ordersFromDb = await _factory.Parallel().Set<Order>().Where(o => o.Id > 3).ToListAsync(cancellationToken);

Or like this

var ordersFromDb = await _factory.Set<MyContext, Order>().Where(o => o.Id > 3).ToListAsync(cancellationToken);

Migration from Entity Framework Core 5 to 6

Since Entity Framework Core 6, IDbContextFactory<TContext> is no longer covariant (TContext is not marked with the out keyword). Because of that, the following code does no longer work.

var ordersFromDb = await _factory.Set<Order>().Where(o => o.Id > 3).ToListAsync();

See the How to use section for two possibilities that you can use instead. If you want some background information, have a look at https://github.com/dotnet/efcore/issues/26630

Product	Compatible and additional computed target framework versions.
.NET	net9.0 is compatible. net9.0-android was computed. net9.0-browser was computed. net9.0-ios was computed. net9.0-maccatalyst was computed. net9.0-macos was computed. net9.0-tvos was computed. net9.0-windows was computed. net10.0 was computed. net10.0-android was computed. net10.0-browser was computed. net10.0-ios was computed. net10.0-maccatalyst was computed. net10.0-macos was computed. net10.0-tvos was computed. net10.0-windows was computed.

Product

.NET

Compatible target framework(s)

Included target framework(s) (in package)

Learn more about Target Frameworks and .NET Standard.

net9.0
- Microsoft.EntityFrameworkCore (>= 9.0.9)

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