Synchronization code

Src/Asp.NetCore2/SqlSugar/Abstract/FastestProvider/Private.cs

@@ -169,19 +169,15 @@ namespace SqlSugar
         }
         private DataTable GetCopyWriteDataTable(DataTable dt)
         {
-            DataTable tempDataTable = ReflectionInoCore<DataTable>.GetInstance().GetOrCreate("BulkCopyAsync_dt" + dt.TableName,
-            () =>
+            DataTable tempDataTable = null;
+            if (AsName == null)
             {
-                if (AsName == null)
-                {
-                    return queryable.Where(it => false).Select("*").ToDataTable();
-                }
-                else
-                {
-                    return queryable.AS(AsName).Where(it => false).Select("*").ToDataTable();
-                }
+                tempDataTable=queryable.Where(it => false).Select("*").ToDataTable();
             }
-            ).Copy();
+            else
+            {
+                tempDataTable=queryable.AS(AsName).Where(it => false).Select("*").ToDataTable();
+            };
             List<string> uInt64TypeName = new List<string>();
             foreach (DataColumn item in tempDataTable.Columns)
             {