Support for DbBatch

.editorconfig

@@ -27,6 +27,9 @@ dotnet_diagnostic.NUnit2031.severity = suggestion
 dotnet_diagnostic.NUnit2049.severity = suggestion
 # The SameAs constraint always fails on value types as the actual and the expected value cannot be the same reference
 dotnet_diagnostic.NUnit2040.severity = suggestion
+dotnet_diagnostic.CA1849.severity = error
+dotnet_diagnostic.CA2007.severity = error
+dotnet_code_quality.CA2007.output_kind = DynamicallyLinkedLibrary
 
 [*.xsd]
 indent_style = tab

.github/workflows/NetCoreTests.yml

@@ -16,7 +16,7 @@ jobs:
             DB_INIT: |
               docker run -e "ACCEPT_EULA=Y" -e "SA_PASSWORD=P@ssw0rd" -e "MSSQL_PID=Express" -p 1433:1433 -d --name sqlexpress mcr.microsoft.com/mssql/server:2019-latest;
           - DB: SqlServer2008-MicrosoftDataSqlClientDriver
-            CONNECTION_STRING: "Server=localhost;initial catalog=nhibernate;User Id=sa;Password=P@ssw0rd;packet size=4096;"
+            CONNECTION_STRING: "Server=localhost;initial catalog=nhibernate;User Id=sa;Password=P@ssw0rd;packet size=4096;TrustServerCertificate=true;"
             OS: ubuntu-latest
             DB_INIT: |
               docker run -e "ACCEPT_EULA=Y" -e "SA_PASSWORD=P@ssw0rd" -e "MSSQL_PID=Express" -p 1433:1433 -d --name sqlexpress mcr.microsoft.com/mssql/server:2019-latest;

appveyor.yml

@@ -5,7 +5,7 @@ environment:
   - DB: SqlServer2008
     CONNECTION_STRING: Server=(local)\SQL2017;User ID=sa;Password=Password12!;initial catalog=nhibernate;
   - DB: SqlServer2008-MicrosoftDataSqlClientDriver
-    CONNECTION_STRING: Server=(local)\SQL2017;User ID=sa;Password=Password12!;initial catalog=nhibernate;
+    CONNECTION_STRING: Server=(local)\SQL2017;User ID=sa;Password=Password12!;initial catalog=nhibernate;TrustServerCertificate=true;
   - DB: Firebird
   - DB: Firebird4
   - DB: MySQL

src/NHibernate.Test/Ado/BatcherFixture.cs

@@ -4,9 +4,18 @@
 
 namespace NHibernate.Test.Ado
 {
-	[TestFixture]
+#if NET6_0_OR_GREATER
+	[TestFixture(true)]
+#endif
+	[TestFixture(false)]
 	public class BatcherFixture: TestCase
 	{
+		private readonly bool _useDbBatch;
+
+		public BatcherFixture(bool useDbBatch)
+		{
+			_useDbBatch = useDbBatch;
+		}
 		protected override string MappingsAssembly
 		{
 			get { return "NHibernate.Test"; }
@@ -22,10 +31,22 @@ protected override void Configure(Configuration configuration)
 			configuration.SetProperty(Environment.FormatSql, "true");
 			configuration.SetProperty(Environment.GenerateStatistics, "true");
 			configuration.SetProperty(Environment.BatchSize, "10");
+			#if NET6_0_OR_GREATER
+			if (_useDbBatch)
+			{
+				configuration.SetProperty(Environment.BatchStrategy, typeof(DbBatchBatcherFactory).AssemblyQualifiedName);
+			}
+			#endif
 		}
 
 		protected override bool AppliesTo(Engine.ISessionFactoryImplementor factory)
 		{
+#if NET6_0_OR_GREATER
+			if (_useDbBatch)
+			{
+				return factory.Settings.BatcherFactory is DbBatchBatcherFactory && factory.Settings.ConnectionProvider.Driver is Driver.DriverBase driverBase && driverBase.CanCreateBatch;
+			}
+#endif
 			return !(factory.Settings.BatcherFactory is NonBatchingBatcherFactory);
 		}
 
@@ -129,20 +150,25 @@ public void SqlClientOneRoundTripForUpdateAndInsert()
 			Cleanup();
 		}
 
-		[Test, NetFxOnly]
+		[Test]
 		[Description("SqlClient: The batcher log output should be formatted")]
 		public void BatchedoutputShouldBeFormatted()
 		{
 #if NETFX
 			if (Sfi.Settings.BatcherFactory is SqlClientBatchingBatcherFactory == false)
 				Assert.Ignore("This test is for SqlClientBatchingBatcher only");
+#elif NET6_0_OR_GREATER
+			if (Sfi.Settings.BatcherFactory is DbBatchBatcherFactory == false)
+				Assert.Ignore("This test is for DbBatchBatcherFactory only");
+#else
+			Assert.Ignore("This test is for NETFX and NET6_0_OR_GREATER only");
 #endif
 
 			using (var sqlLog = new SqlLogSpy())
 			{
 				FillDb();
 				var log = sqlLog.GetWholeLog();
-				Assert.IsTrue(log.Contains("INSERT \n    INTO"));
+				Assert.That(log, Does.Contain("INSERT \n    INTO").IgnoreCase);
 			}
 
 			Cleanup();
@@ -213,7 +239,7 @@ public void AbstractBatcherLog()
 					foreach (var loggingEvent in sl.Appender.GetEvents())
 					{
 						string message = loggingEvent.RenderedMessage;
-						if(message.ToLowerInvariant().Contains("insert"))
+						if(message.Contains("insert"))
 						{
 							Assert.That(message, Does.Contain("batch").IgnoreCase);
 						}

src/NHibernate.Test/Async/Ado/BatcherFixture.cs

@@ -16,9 +16,18 @@ namespace NHibernate.Test.Ado
 {
 	using System.Threading.Tasks;
 	using System.Threading;
-	[TestFixture]
+#if NET6_0_OR_GREATER
+	[TestFixture(true)]
+#endif
+	[TestFixture(false)]
 	public class BatcherFixtureAsync: TestCase
 	{
+		private readonly bool _useDbBatch;
+
+		public BatcherFixtureAsync(bool useDbBatch)
+		{
+			_useDbBatch = useDbBatch;
+		}
 		protected override string MappingsAssembly
 		{
 			get { return "NHibernate.Test"; }
@@ -34,10 +43,22 @@ protected override void Configure(Configuration configuration)
 			configuration.SetProperty(Environment.FormatSql, "true");
 			configuration.SetProperty(Environment.GenerateStatistics, "true");
 			configuration.SetProperty(Environment.BatchSize, "10");
+			#if NET6_0_OR_GREATER
+			if (_useDbBatch)
+			{
+				configuration.SetProperty(Environment.BatchStrategy, typeof(DbBatchBatcherFactory).AssemblyQualifiedName);
+			}
+			#endif
 		}
 
 		protected override bool AppliesTo(Engine.ISessionFactoryImplementor factory)
 		{
+#if NET6_0_OR_GREATER
+			if (_useDbBatch)
+			{
+				return factory.Settings.BatcherFactory is DbBatchBatcherFactory && factory.Settings.ConnectionProvider.Driver is Driver.DriverBase driverBase && driverBase.CanCreateBatch;
+			}
+#endif
 			return !(factory.Settings.BatcherFactory is NonBatchingBatcherFactory);
 		}
 
@@ -101,20 +122,25 @@ public async Task OneRoundTripUpdateAsync()
 			await (CleanupAsync());
 		}
 
-		[Test, NetFxOnly]
+		[Test]
 		[Description("SqlClient: The batcher log output should be formatted")]
 		public async Task BatchedoutputShouldBeFormattedAsync()
 		{
 #if NETFX
 			if (Sfi.Settings.BatcherFactory is SqlClientBatchingBatcherFactory == false)
 				Assert.Ignore("This test is for SqlClientBatchingBatcher only");
+#elif NET6_0_OR_GREATER
+			if (Sfi.Settings.BatcherFactory is DbBatchBatcherFactory == false)
+				Assert.Ignore("This test is for DbBatchBatcherFactory only");
+#else
+			Assert.Ignore("This test is for NETFX and NET6_0_OR_GREATER only");
 #endif
 
 			using (var sqlLog = new SqlLogSpy())
 			{
 				await (FillDbAsync());
 				var log = sqlLog.GetWholeLog();
-				Assert.IsTrue(log.Contains("INSERT \n    INTO"));
+				Assert.That(log, Does.Contain("INSERT \n    INTO").IgnoreCase);
 			}
 
 			await (CleanupAsync());
@@ -185,7 +211,7 @@ public async Task AbstractBatcherLogAsync()
 					foreach (var loggingEvent in sl.Appender.GetEvents())
 					{
 						string message = loggingEvent.RenderedMessage;
-						if(message.ToLowerInvariant().Contains("insert"))
+						if(message.Contains("insert"))
 						{
 							Assert.That(message, Does.Contain("batch").IgnoreCase);
 						}

src/NHibernate.Test/NHibernate.Test.csproj

@@ -64,7 +64,7 @@
   <ItemGroup>
     <PackageReference Include="log4net" Version="3.0.2" />
     <PackageReference Include="Microsoft.AspNetCore.OData" Version="7.7.0" />
-    <PackageReference Include="Microsoft.Data.SqlClient" Version="3.1.5" />
+    <PackageReference Include="Microsoft.Data.SqlClient" Version="5.2.0" />
     <PackageReference Include="NHibernate.Caches.CoreDistributedCache.Memory" Version="5.9.0" />
     <PackageReference Include="NHibernate.Caches.Util.JsonSerializer" Version="5.9.0" />
     <PackageReference Include="System.Data.SQLite.Core" Version="1.0.117" />

src/NHibernate.sln

@@ -13,6 +13,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		..\appveyor.yml = ..\appveyor.yml
 		..\ReleaseProcedure.txt = ..\ReleaseProcedure.txt
 		..\global.json = ..\global.json
+		..\.editorconfig = ..\.editorconfig
 	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NHibernate", "NHibernate\NHibernate.csproj", "{5909BFE7-93CF-4E5F-BE22-6293368AF01D}"

src/NHibernate/Action/BulkOperationCleanupAction.cs

@@ -166,8 +166,8 @@ public virtual void Init()
 		[Obsolete("This method has no more usage in NHibernate and will be removed in a future version.")]
 		public virtual async Task InitAsync(CancellationToken cancellationToken)
 		{
-			await EvictEntityRegionsAsync(cancellationToken);
-			await EvictCollectionRegionsAsync(cancellationToken);
+			await EvictEntityRegionsAsync(cancellationToken).ConfigureAwait(false);
+			await EvictCollectionRegionsAsync(cancellationToken).ConfigureAwait(false);
 		}
 	}
 }

src/NHibernate/AdoNet/ConnectionManager.cs

@@ -514,6 +514,30 @@ public void EnlistInTransaction(DbCommand command)
 			}
 		}
 
+#if NET6_0_OR_GREATER
+		/// <summary>
+		/// Enlist a batch in the current transaction, if any.
+		/// </summary>
+		/// <param name="batch">The batch to enlist.</param>
+		public void EnlistInTransaction(DbBatch batch)
+		{
+			if (batch == null)
+				throw new ArgumentNullException(nameof(batch));
+
+			if (_transaction != null)
+			{
+				_transaction.Enlist(batch);
+				return;
+			}
+
+			if (batch.Transaction != null)
+			{
+				_log.Warn("set a nonnull DbBatch.Transaction to null because the Session had no Transaction");
+				batch.Transaction = null;
+			}
+		}
+#endif
+
 		/// <summary>
 		/// Enlist the connection into provided transaction if the connection should be enlisted.
 		/// Do nothing in case an explicit transaction is ongoing.