Compare .Accessor indes instead of calculated accessors

SergeiPavlov · SergeiPavlov · commit 2101478fb84d · 2022-04-01T15:16:24.000-07:00
diff --git a/Orm/Xtensive.Orm/Tuples/TupleExtensions.cs b/Orm/Xtensive.Orm/Tuples/TupleExtensions.cs
@@ -444,16 +444,15 @@ private static void CopyPackedValue(PackedTuple source, int sourceIndex, PackedT
         return;
       }
 
-      var accessor = sourceDescriptor.GetAccessor();
-      if (accessor != targetDescriptor.GetAccessor()) {
+      if (sourceDescriptor.AccessorIndex != targetDescriptor.AccessorIndex) {
         throw new InvalidOperationException(string.Format(
           Strings.ExInvalidCast,
           source.PackedDescriptor[sourceIndex],
           target.PackedDescriptor[targetIndex]));
       }
 
       target.SetFieldState(targetIndex, TupleFieldState.Available);
-      accessor.CopyValue(source, sourceDescriptor, target, targetDescriptor);
+      sourceDescriptor.GetAccessor().CopyValue(source, sourceDescriptor, target, targetDescriptor);
     }
 
     private static void PartiallyCopyTupleSlow(Tuple source, Tuple target, int sourceStartIndex, int targetStartIndex, int length)

Original file line number	Diff line number	Diff line change
`@@ -444,16 +444,15 @@ private static void CopyPackedValue(PackedTuple source, int sourceIndex, PackedT`
`444`	`444`	`return;`
`445`	`445`	`}`
`446`	`446`
`447`		`- var accessor = sourceDescriptor.GetAccessor();`
`448`		`- if (accessor != targetDescriptor.GetAccessor()) {`
	`447`	`+ if (sourceDescriptor.AccessorIndex != targetDescriptor.AccessorIndex) {`
`449`	`448`	`throw new InvalidOperationException(string.Format(`
`450`	`449`	`Strings.ExInvalidCast,`
`451`	`450`	`source.PackedDescriptor[sourceIndex],`
`452`	`451`	`target.PackedDescriptor[targetIndex]));`
`453`	`452`	`}`
`454`	`453`
`455`	`454`	`target.SetFieldState(targetIndex, TupleFieldState.Available);`
`456`		`- accessor.CopyValue(source, sourceDescriptor, target, targetDescriptor);`
	`455`	`+ sourceDescriptor.GetAccessor().CopyValue(source, sourceDescriptor, target, targetDescriptor);`
`457`	`456`	`}`
`458`	`457`
`459`	`458`	`private static void PartiallyCopyTupleSlow(Tuple source, Tuple target, int sourceStartIndex, int targetStartIndex, int length)`