Fix processor for DbCommandInterceptor

Author: MarkusG

EntityFramework.Exceptions.Common/ExceptionFactory.cs

@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
+using System.Data.Common;
 using Microsoft.EntityFrameworkCore.ChangeTracking;
 
 namespace EntityFramework.Exceptions.Common;
@@ -24,4 +25,17 @@ internal static Exception Create(DatabaseError error, DbUpdateException exceptio
             _ => null,
         };
     }
+    
+    internal static Exception Create(DatabaseError error, DbException exception)
+    {
+        return error switch
+        {
+            DatabaseError.CannotInsertNull => new CannotInsertNullException("Cannot insert null", exception.InnerException),
+            DatabaseError.MaxLength => new MaxLengthExceededException("Maximum length exceeded", exception.InnerException),
+            DatabaseError.NumericOverflow => new NumericOverflowException("Numeric overflow", exception.InnerException),
+            DatabaseError.ReferenceConstraint => new ReferenceConstraintException("Reference constraint violation", exception.InnerException),
+            DatabaseError.UniqueConstraint => new UniqueConstraintException("Unique constraint violation", exception.InnerException),
+            _ => null,
+        };
+    }
 }

EntityFramework.Exceptions.Common/ExceptionProcessorDbCommandInterceptor.cs

@@ -7,6 +7,7 @@
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore.ChangeTracking;
 
 namespace EntityFramework.Exceptions.Common;
 
@@ -20,7 +21,7 @@ public abstract class ExceptionProcessorDbCommandInterceptor<T> : DbCommandInter
     /// <inheritdoc />
     public override void CommandFailed(DbCommand command, CommandErrorEventData eventData)
     {
-        ProcessException(eventData, eventData.Exception as DbUpdateException);
+        ProcessException(eventData, eventData.Exception as DbException);
 
         base.CommandFailed(command, eventData);
     }
@@ -29,21 +30,21 @@ public override void CommandFailed(DbCommand command, CommandErrorEventData even
     public override Task CommandFailedAsync(DbCommand command, CommandErrorEventData eventData,
         CancellationToken cancellationToken = new CancellationToken())
     {
-        ProcessException(eventData, eventData.Exception as DbUpdateException);
+        ProcessException(eventData, eventData.Exception as DbException);
 
         return base.CommandFailedAsync(command, eventData, cancellationToken);
     }
 
     [StackTraceHidden]
-    private void ProcessException(CommandErrorEventData eventData, DbUpdateException dbUpdateException)
+    private void ProcessException(CommandErrorEventData eventData, DbException dbUpdateException)
     {
         if (dbUpdateException == null || eventData.Exception.GetBaseException() is not T providerException) return;
 
         var error = GetDatabaseError(providerException);
 
         if (error == null) return;
 
-        var exception = ExceptionFactory.Create(error.Value, dbUpdateException, dbUpdateException.Entries);
+        var exception = ExceptionFactory.Create(error.Value, dbUpdateException);
 
         switch (exception)
         {