Cascading entities should not be deleted when soft deleting entities.

framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/Uow/EntityFrameworkCore/UnitOfWorkDbContextProvider.cs

@@ -1,5 +1,6 @@
 using System;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.ChangeTracking;
 using Microsoft.EntityFrameworkCore.Storage;
 using Microsoft.Extensions.DependencyInjection;
 using Volo.Abp.Data;
@@ -60,6 +61,8 @@ namespace Volo.Abp.Uow.EntityFrameworkCore
                     dbContext.Database.SetCommandTimeout(unitOfWork.Options.Timeout.Value.TotalSeconds.To<int>());
                 }
 
+                dbContext.ChangeTracker.CascadeDeleteTiming = CascadeTiming.OnSaveChanges;
+                dbContext.ChangeTracker.DeleteOrphansTiming = CascadeTiming.OnSaveChanges;
                 return dbContext;
             }
         }

framework/test/Volo.Abp.TestApp/Volo/Abp/TestApp/Testing/SoftDelete_Tests.cs

@@ -60,5 +60,27 @@ namespace Volo.Abp.TestApp.Testing
                 douglas.Age.ShouldBe(42);
             }
         }
+        
+        [Fact]
+        public async Task Cascading_Entities_Should_Not_Be_Deleted_When_Soft_Deleting_Entities()
+        {
+            var douglas = await PersonRepository.GetAsync(TestDataBuilder.UserDouglasId);
+            douglas.Phones.ShouldNotBeEmpty();
+            
+            await PersonRepository.DeleteAsync(douglas);
+
+            douglas = await PersonRepository.FindAsync(TestDataBuilder.UserDouglasId);
+            douglas.ShouldBeNull();
+
+            using (DataFilter.Disable<ISoftDelete>())
+            {
+                douglas = await PersonRepository.FindAsync(TestDataBuilder.UserDouglasId);
+                douglas.ShouldNotBeNull();
+                douglas.IsDeleted.ShouldBeTrue();
+                douglas.DeletionTime.ShouldNotBeNull();
+                
+                douglas.Phones.ShouldNotBeEmpty();
+            }
+        }
     }
 }