Update HISTORY & add license to db/db_bloom_filter_test.cc

HISTORY.md

@@ -5,7 +5,8 @@
 ### New Features 
 
 ### Enhancements
-* set the default bucket size of hashspdb to be 400k for best memory use and performance (#854)
+* set the default bucket size of hashspdb to be 400k for best memory use and performance (#854).
+* Support Speedb's Paired Bloom Filter in db_bloom_filter_test (#810).
 
 ### Bug Fixes
 * LOG Consistency:Display the pinning policy options same as block cache options / metadata cache options (#804).

db/db_bloom_filter_test.cc

@@ -1,3 +1,17 @@
+// Copyright (C) 2023 Speedb Ltd. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
 //  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
 //  This source code is licensed under both the GPLv2 (found in the
 //  COPYING file in the root directory) and Apache 2.0 License