Synchronization code

Src/Asp.Net/SqlSugar/SpliteTable/SplitTypeExtensions.cs

@@ -24,5 +24,21 @@ namespace SqlSugar
             }
             return result;
         }
+        public static IEnumerable<SplitTableInfo> ContainsTableNamesIfNullDefaultFirst(this List<SplitTableInfo> tables, params string[] tableNames)
+        {
+            List<SplitTableInfo> result = new List<SplitTableInfo>();
+            foreach (var item in tables)
+            {
+                if (tableNames.Any(it => item.TableName.ObjToString().ToLower().Contains(it.ObjToString().ToLower())))
+                {
+                    result.Add(item);
+                }
+            }
+            if (!result.Any()&& tables.Any()) 
+            {
+                result.Add(tables.First());
+            }
+            return result;
+        }
     }
 }