Adjust string parameter sizes for MSSQL

src/NHibernate.Test/Async/NHSpecificTest/GH1300/Fixture.cs

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+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by AsyncGenerator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+
+using System.Data;
+using System.Data.SqlClient;
+using System.Linq;
+using NHibernate.Cfg;
+using NHibernate.Connection;
+using NHibernate.Criterion;
+using NHibernate.Dialect;
+using NHibernate.Driver;
+using NHibernate.Engine;
+using NHibernate.Exceptions;
+using NHibernate.Linq;
+using NHibernate.Type;
+using NUnit.Framework;
+
+namespace NHibernate.Test.NHSpecificTest.GH1300
+{
+	using System.Threading.Tasks;
+	using System.Threading;
+	[TestFixture]
+	public class FixtureAsync : BugTestCase
+	{
+		protected override bool AppliesTo(Dialect.Dialect dialect)
+		{
+			return dialect is MsSql2000Dialect;
+		}
+
+		protected override bool AppliesTo(ISessionFactoryImplementor factory)
+		{
+			return factory.ConnectionProvider.Driver is SqlClientDriver;
+		}
+
+		protected override void Configure(Configuration configuration)
+		{
+			using (var cp = ConnectionProviderFactory.NewConnectionProvider(cfg.Properties))
+			{
+				if (cp.Driver is SqlClientDriver)
+				{
+					configuration.SetProperty(Environment.ConnectionDriver, typeof(TestSqlClientDriver).AssemblyQualifiedName);
+				}
+			}
+		}
+
+		protected override void OnTearDown()
+		{
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				session.Delete("from System.Object");
+
+				session.Flush();
+				transaction.Commit();
+			}
+		}
+
+		protected override void OnSetUp()
+		{
+			base.OnSetUp();
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				var e1 = new Entity { Name = "Bob" };
+				session.Save(e1);
+				transaction.Commit();
+			}
+		}
+
+		[Test]
+		public async Task InsertShouldUseMappedSizeAsync()
+		{
+			Driver.ClearCommands();
+
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				var e1 = new Entity { Name = "1", AnsiName = "2", FullText = "3", AnsiFullText = "4" };
+				await (session.SaveAsync(e1));
+				await (transaction.CommitAsync());
+				Assert.That(Driver.LastCommandParameters.Single(x => (string) x.Value == "1").SqlDbType, Is.EqualTo(SqlDbType.NVarChar));
+				Assert.That(Driver.LastCommandParameters.Single(x => (string) x.Value == "1").Size, Is.EqualTo(3));
+				Assert.That(Driver.LastCommandParameters.Single(x => (string) x.Value == "2").SqlDbType, Is.EqualTo(SqlDbType.VarChar));
+				Assert.That(Driver.LastCommandParameters.Single(x => (string) x.Value == "2").Size, Is.EqualTo(3));
+				Assert.That(Driver.LastCommandParameters.Single(x => (string) x.Value == "3").SqlDbType, Is.EqualTo(SqlDbType.NVarChar));
+				Assert.That(Driver.LastCommandParameters.Single(x => (string) x.Value == "3").Size, Is.EqualTo(MsSql2000Dialect.MaxSizeForClob));
+				Assert.That(Driver.LastCommandParameters.Single(x => (string) x.Value == "4").SqlDbType, Is.EqualTo(SqlDbType.VarChar));
+				Assert.That(Driver.LastCommandParameters.Single(x => (string) x.Value == "4").Size, Is.EqualTo(MsSql2000Dialect.MaxSizeForAnsiClob));
+			}
+		}
+
+		[Test]
+		public void InsertWithTooLongValuesShouldThrowAsync()
+		{
+			Driver.ClearCommands();
+
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				var e1 = new Entity { Name = "Alal", AnsiName = "Alal" };
+
+				var ex = Assert.ThrowsAsync<GenericADOException>(
+					async () =>
+					{
+						await (session.SaveAsync(e1));
+						await (transaction.CommitAsync());
+					});
+
+				var sqlEx = ex.InnerException as SqlException;
+				Assert.That(sqlEx, Is.Not.Null);
+				Assert.That(sqlEx.Number, Is.EqualTo(8152));
+			}
+		}
+
+		[TestCase("Name", SqlDbType.NVarChar)]
+		[TestCase("AnsiName", SqlDbType.VarChar)]
+		public async Task LinqEqualsShouldUseMappedSizeAsync(string property, SqlDbType expectedDbType, CancellationToken cancellationToken = default(CancellationToken))
+		{
+			Driver.ClearCommands();
+
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				if (property == "Name")
+				{
+					await (session.Query<Entity>().Where(x => x.Name == "Bob").ToListAsync(cancellationToken));
+				}
+				else
+				{
+					await (session.Query<Entity>().Where(x => x.AnsiName == "Bob").ToListAsync(cancellationToken));
+				}
+				Assert.That(Driver.LastCommandParameters.First().Size, Is.EqualTo(3));
+				Assert.That(Driver.LastCommandParameters.First().SqlDbType, Is.EqualTo(expectedDbType));
+			}
+		}
+
+		[Test]
+		public async Task MappedAsShouldUseExplicitSizeAsync()
+		{
+			Driver.ClearCommands();
+
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				await (session.Query<Entity>().Where(x => x.Name == "Bob".MappedAs(TypeFactory.Basic("AnsiString(200)"))).ToListAsync());
+
+				Assert.That(Driver.LastCommandParameters.First().Size, Is.EqualTo(200));
+				Assert.That(Driver.LastCommandParameters.First().SqlDbType, Is.EqualTo(SqlDbType.VarChar));
+			}
+		}
+
+		[TestCase("Name", SqlDbType.NVarChar)]
+		[TestCase("AnsiName", SqlDbType.VarChar)]
+		public async Task HqlLikeShouldUseLargerSizeAsync(string property, SqlDbType expectedDbType, CancellationToken cancellationToken = default(CancellationToken))
+		{
+			Driver.ClearCommands();
+
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				await (session.CreateQuery("from Entity where " + property + " like :name").SetParameter("name", "%Bob%").ListAsync<Entity>(cancellationToken));
+
+				Assert.That(Driver.LastCommandParameters.First().Size, Is.GreaterThanOrEqualTo(5));
+				Assert.That(Driver.LastCommandParameters.First().SqlDbType, Is.EqualTo(expectedDbType));
+			}
+		}
+
+		[TestCase("Name", SqlDbType.NVarChar)]
+		[TestCase("AnsiName", SqlDbType.VarChar)]
+		public async Task CriteriaEqualsShouldUseMappedSizeAsync(string property, SqlDbType expectedDbType, CancellationToken cancellationToken = default(CancellationToken))
+		{
+			Driver.ClearCommands();
+
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				Driver.ClearCommands();
+
+				await (session.CreateCriteria<Entity>().Add(Restrictions.Eq(property, "Bob"))
+								  .ListAsync<Entity>(cancellationToken));
+
+				Assert.That(Driver.LastCommandParameters.First().Size, Is.GreaterThanOrEqualTo(3));
+				Assert.That(Driver.LastCommandParameters.First().SqlDbType, Is.EqualTo(expectedDbType));
+			}
+		}
+
+		[TestCase("Name", SqlDbType.NVarChar)]
+		[TestCase("AnsiName", SqlDbType.VarChar)]
+		public async Task CriteriaLikeShouldUseLargerSizeAsync(string property, SqlDbType expectedDbType, CancellationToken cancellationToken = default(CancellationToken))
+		{
+			Driver.ClearCommands();
+
+			using (var session = OpenSession())
+			using (var transaction = session.BeginTransaction())
+			{
+				await (session.CreateCriteria<Entity>().Add(Restrictions.Like(property, "%Bob%"))
+								  .ListAsync<Entity>(cancellationToken));
+
+				Assert.That(Driver.LastCommandParameters.First().Size, Is.GreaterThanOrEqualTo(5));
+				Assert.That(Driver.LastCommandParameters.First().SqlDbType, Is.EqualTo(expectedDbType));
+			}
+		}
+		private TestSqlClientDriver Driver => Sfi.ConnectionProvider.Driver as TestSqlClientDriver;
+	}
+}

src/NHibernate.Test/NHSpecificTest/GH1300/Entity.cs

@@ -0,0 +1,11 @@
+namespace NHibernate.Test.NHSpecificTest.GH1300
+{
+	class Entity
+	{
+		public virtual int Id { get; set; }
+		public virtual string Name { get; set; }
+		public virtual string AnsiName { get; set; }
+		public virtual string FullText { get; set; }
+		public virtual string AnsiFullText { get; set; }
+	}
+}