MightyOrm needs a nonstandard connection string.

We are now providing it programmatically so we don't disrupt SQL Server.

Dapper.Tests.Performance/Benchmarks.Mighty.cs

@@ -15,8 +15,13 @@ public class MightyBenchmarks : BenchmarkBase
         public void Setup()
         {
             BaseSetup();
-            _model = new MightyOrm<Post>(ConnectionString);
-            _dynamicModel = new MightyOrm(ConnectionString);
+
+            // Mighty needs the connection string to contain the ProviderName in addition to everything else for Reasons.
+            // However, it appears the SQL Server driver chokes on it if it's in the full connection string, so we programatically add it here.
+            var connectionString = $"{ConnectionStringSettings.ConnectionString};ProviderName={ConnectionStringSettings.ProviderName}";
+
+            _model = new MightyOrm<Post>(connectionString);
+            _dynamicModel = new MightyOrm(connectionString);
         }
 
         [Benchmark(Description = "Query<T>")]

Dapper.Tests.Performance/Benchmarks.cs

@@ -11,7 +11,8 @@ public abstract class BenchmarkBase
     {
         protected static readonly Random _rand = new Random();
         protected SqlConnection _connection;
-        public static string ConnectionString { get; } = ConfigurationManager.ConnectionStrings["Main"].ConnectionString;
+        public static ConnectionStringSettings ConnectionStringSettings { get; } = ConfigurationManager.ConnectionStrings["Main"];
+        public static string ConnectionString { get; } = ConnectionStringSettings.ConnectionString;
         protected int i;
 
         protected void BaseSetup()