Implement AbpDictionaryValueConverter

framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/ValueComparers/AbpDictionaryValueComparer.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.EntityFrameworkCore.ChangeTracking;
+
+namespace Volo.Abp.EntityFrameworkCore.ValueComparers
+{
+    public class AbpDictionaryValueComparer : ValueComparer<Dictionary<string, object>>
+    {
+        public AbpDictionaryValueComparer()
+            : base(
+                  (d1, d2) => d1.SequenceEqual(d2),
+                  d => d.Aggregate(0, (k, v) => HashCode.Combine(k, v.GetHashCode())),
+                  d => d.ToDictionary(k => k.Key, v => v.Value))
+        {
+        }
+    }
+}