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3 changes: 2 additions & 1 deletion Directory.Packages.props
Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,8 @@
<PackageVersion Include="FirebirdSql.Data.FirebirdClient" Version="10.3.4" />
<PackageVersion Include="GitHubActionsTestLogger" Version="2.4.1" />
<PackageVersion Include="Iesi.Collections" Version="4.1.1" />
<PackageVersion Include="linq2db.SqlServer" Version="5.4.1.9" />
<PackageVersion Include="linq2db" Version="6.2.1" />
<PackageVersion Include="linq2db.SqlServer" Version="6.2.1" />
<PackageVersion Include="Microsoft.Data.SqlClient" Version="6.1.4" />
<PackageVersion Include="Microsoft.Data.Sqlite" Version="10.0.2" />
<PackageVersion Include="Microsoft.EntityFrameworkCore.SqlServer" Version="10.0.2" />
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17 changes: 17 additions & 0 deletions benchmarks/Dapper.Tests.Performance/Benchmarks.Linq2DB.cs
Original file line number Diff line number Diff line change
Expand Up @@ -44,5 +44,22 @@ public Post Query()
Step();
return _dbContext.Query<Post>("select * from Posts where Id = @id", new { id = i }).First();
}

[Benchmark(Description = "FirstOrDefault (v6 optimized)")]
public Post FirstOrDefault()
{
Step();
return _dbContext.Posts.FirstOrDefault(p => p.Id == i);
}

#if NET6_0_OR_GREATER
// MaxBy is a new LINQ operator supported in linq2db v6.x for .NET 6+
[Benchmark(Description = "MaxBy (v6 new operator)")]
public Post MaxByCreationDate()
{
Step();
return _dbContext.Posts.Where(p => p.Id <= i).MaxBy(p => p.CreationDate);
}
#endif
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
<PackageReference Include="DevExpress.Xpo" />
<PackageReference Include="EntityFramework" VersionOverride="6.5.1" />
<PackageReference Include="FirebirdSql.Data.FirebirdClient" />
<PackageReference Include="linq2db" />
<PackageReference Include="linq2db.SqlServer" />
<PackageReference Include="MySqlConnector" />
<PackageReference Include="NHibernate" />
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38 changes: 26 additions & 12 deletions benchmarks/Dapper.Tests.Performance/Post.cs
Original file line number Diff line number Diff line change
Expand Up @@ -8,29 +8,43 @@ public class Post
{
[LinqToDB.Mapping.PrimaryKey, LinqToDB.Mapping.Identity]
public int Id { get; set; }
[LinqToDB.Mapping.Column, LinqToDB.Mapping.Nullable]

// In v6.x, nullability is inferred from the type, so Nullable/NotNull attributes are optional
[LinqToDB.Mapping.Column]
public string Text { get; set; }
[LinqToDB.Mapping.Column, LinqToDB.Mapping.NotNull]

[LinqToDB.Mapping.Column]
public DateTime CreationDate { get; set; }
[LinqToDB.Mapping.Column, LinqToDB.Mapping.NotNull]

[LinqToDB.Mapping.Column]
public DateTime LastChangeDate { get; set; }
[LinqToDB.Mapping.Column, LinqToDB.Mapping.Nullable]

// Nullable value types automatically infer nullability in v6.x
[LinqToDB.Mapping.Column]
public int? Counter1 { get; set; }
[LinqToDB.Mapping.Column, LinqToDB.Mapping.Nullable]

[LinqToDB.Mapping.Column]
public int? Counter2 { get; set; }
[LinqToDB.Mapping.Column, LinqToDB.Mapping.Nullable]

[LinqToDB.Mapping.Column]
public int? Counter3 { get; set; }
[LinqToDB.Mapping.Column, LinqToDB.Mapping.Nullable]

[LinqToDB.Mapping.Column]
public int? Counter4 { get; set; }
[LinqToDB.Mapping.Column, LinqToDB.Mapping.Nullable]

[LinqToDB.Mapping.Column]
public int? Counter5 { get; set; }
[LinqToDB.Mapping.Column, LinqToDB.Mapping.Nullable]

[LinqToDB.Mapping.Column]
public int? Counter6 { get; set; }
[LinqToDB.Mapping.Column, LinqToDB.Mapping.Nullable]

[LinqToDB.Mapping.Column]
public int? Counter7 { get; set; }
[LinqToDB.Mapping.Column, LinqToDB.Mapping.Nullable]

[LinqToDB.Mapping.Column]
public int? Counter8 { get; set; }
[LinqToDB.Mapping.Column, LinqToDB.Mapping.Nullable]

[LinqToDB.Mapping.Column]
public int? Counter9 { get; set; }
}
}