Update dependency linq2db.SqlServer to v6

Directory.Packages.props

@@ -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" />

benchmarks/Dapper.Tests.Performance/Benchmarks.Linq2DB.cs

@@ -4,6 +4,7 @@
 using System.Linq;
 using Dapper.Tests.Performance.Linq2Db;
 using LinqToDB;
+using LinqToDB.Configuration;
 using LinqToDB.Data;
 using System.ComponentModel;
 
@@ -13,15 +14,18 @@ namespace Dapper.Tests.Performance
     public class LinqToDBBenchmarks : BenchmarkBase // note To not 2 because the "2" confuses BDN CLI
     {
         private Linq2DBContext _dbContext;
+        private DataOptions _options;
 
         private static readonly Func<Linq2DBContext, int, Post> compiledQuery = CompiledQuery.Compile((Linq2DBContext db, int id) => db.Posts.First(c => c.Id == id));
 
         [GlobalSetup]
         public void Setup()
         {
             BaseSetup();
-            DataConnection.DefaultSettings = new Linq2DBSettings(_connection.ConnectionString);
-            _dbContext = new Linq2DBContext();
+            // Use DataOptions (linq2db v6+ recommended pattern) instead of DefaultSettings
+            _options = new DataOptions()
+                .UseSqlServer(_connection.ConnectionString);
+            _dbContext = new Linq2DBContext(_options);
         }
 
         [Benchmark(Description = "First")]

benchmarks/Dapper.Tests.Performance/Dapper.Tests.Performance.csproj

@@ -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" />

benchmarks/Dapper.Tests.Performance/Linq2DB/Linq2DBContext.cs

@@ -1,9 +1,15 @@
 using LinqToDB;
+using LinqToDB.Configuration;
+using LinqToDB.Data;
 
 namespace Dapper.Tests.Performance.Linq2Db
 {
-    public class Linq2DBContext : LinqToDB.Data.DataConnection
+    public class Linq2DBContext : DataConnection
     {
+        public Linq2DBContext(DataOptions options) : base(options)
+        {
+        }
+
         public ITable<Post> Posts => this.GetTable<Post>();
     }
 }