NH-3620 Fix ORA-01483 when inserting two blobs and a date using the OracleManagedDataClientDriver

Author: andrecarlucci

src/NHibernate.Test/NHSpecificTest/NH3620/Fixture.cs

@@ -0,0 +1,43 @@
+using System;
+using NHibernate.Driver;
+using NUnit.Framework;
+
+namespace NHibernate.Test.NHSpecificTest.NH3620 {
+    [TestFixture]
+    public class Fixture : BugTestCase {
+        protected override bool AppliesTo(Engine.ISessionFactoryImplementor factory) {
+            return (factory.ConnectionProvider.Driver is OracleManagedDataClientDriver);
+        }
+
+        protected override void OnTearDown() {
+            CleanupData();
+        }
+
+        [Test]
+        public void Should_insert_two_blobs_and_a_date() {
+            using (ISession s = OpenSession()) {
+                var blob = new Byte[1024*24];
+                for (int i = 0; i < blob.Length; i++) {
+                    blob[i] = 65;
+                }
+
+                using (ITransaction tx = s.BeginTransaction()) {
+                    var tb = new TwoBlobs {
+                        Blob1 = blob, Blob2 = blob, Id = 1, TheDate = DateTime.Now
+                    };
+                    s.Save(tb);
+                    tx.Commit();
+                }
+            }
+        }
+
+        private void CleanupData() {
+            using (ISession session = OpenSession()) {
+                using (ITransaction tx = session.BeginTransaction()) {
+                    session.Delete("from TwoBlobs");
+                    tx.Commit();
+                }
+            }
+        }
+    }
+}

src/NHibernate.Test/NHSpecificTest/NH3620/Mappings.hbm.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" 
+                   assembly="NHibernate.Test" 
+                   namespace="NHibernate.Test.NHSpecificTest.NH3620">
+  <class name="TwoBlobs">
+    <id name="Id" type="Int32" />
+    <property name="TheDate" />
+    <property name="Blob1" length="5224880" />
+    <property name="Blob2" length="5224880" />
+    
+  </class>
+</hibernate-mapping>

src/NHibernate.Test/NHSpecificTest/NH3620/TwoBlobs.cs

@@ -0,0 +1,11 @@
+using System;
+
+namespace NHibernate.Test.NHSpecificTest.NH3620 {
+    public class TwoBlobs {
+        public virtual int Id { get; set; }
+        public virtual byte[] Blob1 { get; set; }
+        public virtual byte[] Blob2 { get; set; }
+        public virtual DateTime TheDate { get; set; }
+
+    }
+}

src/NHibernate.Test/NHibernate.Test.csproj

@@ -686,6 +686,8 @@
     <Compile Include="NHSpecificTest\BagWithLazyExtraAndFilter\Fixture.cs" />
     <Compile Include="Linq\ByMethod\DistinctTests.cs" />
     <Compile Include="Component\Basic\ComponentWithUniqueConstraintTests.cs" />
+    <Compile Include="NHSpecificTest\NH3620\Fixture.cs" />
+    <Compile Include="NHSpecificTest\NH3620\TwoBlobs.cs" />
     <Compile Include="NHSpecificTest\NH1082\SynchronizationThatThrowsExceptionAtBeforeTransactionCompletion.cs" />
     <Compile Include="NHSpecificTest\NH2756\Fixture.cs" />
     <Compile Include="NHSpecificTest\NH2756\Model.cs" />
@@ -3371,6 +3373,7 @@
     <EmbeddedResource Include="NHSpecificTest\NH1810\Mappings.hbm.xml" />
     <EmbeddedResource Include="NHSpecificTest\NH1092\Mappings.hbm.xml" />
     <EmbeddedResource Include="NHSpecificTest\NH1507\Mappings.hbm.xml" />
+    <EmbeddedResource Include="NHSpecificTest\NH3620\Mappings.hbm.xml" />
     <EmbeddedResource Include="NHSpecificTest\NH1044\Mappings.hbm.xml" />
     <EmbeddedResource Include="NHSpecificTest\NH1427\Mappings.hbm.xml" />
     <EmbeddedResource Include="NHSpecificTest\NH1531\Mappings.hbm.xml" />

src/NHibernate/Driver/OracleManagedDataClientDriver.cs

@@ -21,6 +21,7 @@ public class OracleManagedDataClientDriver : ReflectionBasedDriver, IEmbeddedBat
 		private readonly PropertyInfo oracleDbType;
 		private readonly object oracleDbTypeRefCursor;
 		private readonly object oracleDbTypeXmlType;
+        private readonly object oracleDbTypeBlob;
 
 		/// <summary>
 		/// Initializes a new instance of <see cref="OracleDataClientDriver"/>.
@@ -44,6 +45,7 @@ public OracleManagedDataClientDriver()
 			var oracleDbTypeEnum = ReflectHelper.TypeFromAssembly("Oracle.ManagedDataAccess.Client.OracleDbType", driverAssemblyName, false);
 			oracleDbTypeRefCursor = Enum.Parse(oracleDbTypeEnum, "RefCursor");
 			oracleDbTypeXmlType = Enum.Parse(oracleDbTypeEnum, "XmlType");
+			oracleDbTypeBlob = Enum.Parse(oracleDbTypeEnum, "Blob");
 		}
 
 		/// <summary></summary>
@@ -83,6 +85,9 @@ protected override void InitializeParameter(IDbDataParameter dbParam, string nam
 				case DbType.Xml:
 					this.InitializeParameter(dbParam, name, oracleDbTypeXmlType);
 					break;
+                case DbType.Binary:
+                    this.InitializeParameter(dbParam, name, oracleDbTypeBlob);
+                    break;
 				default:
 					base.InitializeParameter(dbParam, name, sqlType);
 					break;