Modify the entity update way of BackgroundJobStore

Resolve #867

modules/background-jobs/app/Volo.Abp.BackgroundJobs.DemoApp/Volo.Abp.BackgroundJobs.DemoApp.csproj

@@ -6,9 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="2.2.4">
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="3.0.0">
       <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
     </PackageReference>
     <ProjectReference Include="..\..\..\..\framework\src\Volo.Abp.Autofac\Volo.Abp.Autofac.csproj" />
     <ProjectReference Include="..\..\..\..\framework\src\Volo.Abp.EntityFrameworkCore.SqlServer\Volo.Abp.EntityFrameworkCore.SqlServer.csproj" />

modules/background-jobs/src/Volo.Abp.BackgroundJobs.Domain/Volo/Abp/BackgroundJobs/BackgroundJobStore.cs

@@ -74,16 +74,26 @@ namespace Volo.Abp.BackgroundJobs
 
         public void Update(BackgroundJobInfo jobInfo)
         {
-            BackgroundJobRepository.Update(
-                ObjectMapper.Map<BackgroundJobInfo, BackgroundJobRecord>(jobInfo)
-            );
+            var backgroundJobRecord = BackgroundJobRepository.Find(jobInfo.Id);
+            if (backgroundJobRecord == null)
+            {
+                return;
+            }
+
+            ObjectMapper.Map(jobInfo, backgroundJobRecord);
+            BackgroundJobRepository.Update(backgroundJobRecord);
         }
 
         public virtual async Task UpdateAsync(BackgroundJobInfo jobInfo)
         {
-            await BackgroundJobRepository.UpdateAsync(
-                ObjectMapper.Map<BackgroundJobInfo, BackgroundJobRecord>(jobInfo)
-            );
+            var backgroundJobRecord = await BackgroundJobRepository.FindAsync(jobInfo.Id);
+            if (backgroundJobRecord == null)
+            {
+                return;
+            }
+
+            ObjectMapper.Map(jobInfo, backgroundJobRecord);
+            await BackgroundJobRepository.UpdateAsync(backgroundJobRecord);
         }
     }
 }