[FEAT MERGE] Support exchanging partition between partitioned table A and non-partitioned table B.

Co-authored-by: fkuner <784819644@qq.com>

src/storage/ddl/ob_ddl_change_tablet_to_table_helper.h

@@ -0,0 +1,66 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#ifndef OCEANBASE_STORAGE_OB_CHANGE_TABLET_TO_TABLE_HELPER
+#define OCEANBASE_STORAGE_OB_CHANGE_TABLET_TO_TABLE_HELPER
+
+#include "common/ob_tablet_id.h"
+#include "lib/container/ob_array.h"
+#include "lib/container/ob_array_serialization.h"
+#include "lib/ob_define.h"
+#include "share/ob_ls_id.h"
+
+namespace oceanbase
+{
+namespace share
+{
+class SCN;
+}
+namespace storage
+{
+namespace mds
+{
+struct BufferCtx;
+}
+
+class ObChangeTabletToTableHelper final
+{
+public:
+  static int on_register(const char* buf,
+                         const int64_t len,
+                         mds::BufferCtx &ctx); // 出参，将对应修改记录在Ctx中
+
+  static int on_replay(const char* buf,
+                       const int64_t len,
+                       const share::SCN &scn, // 日志scn
+                       mds::BufferCtx &ctx); // 备机回放
+};
+
+inline int ObChangeTabletToTableHelper::on_register(const char* buf,
+                                            const int64_t len,
+                                            mds::BufferCtx &ctx)
+{
+  int ret = OB_SUCCESS;
+  return ret;
+}
+
+inline int ObChangeTabletToTableHelper::on_replay(const char* buf,
+                                                  const int64_t len,
+                                                  const share::SCN &scn, // 日志scn
+                                                  mds::BufferCtx &ctx)
+{
+  int ret = OB_SUCCESS;
+  return ret;
+}
+} // namespace storage
+} // namespace oceanbase
+#endif

src/storage/multi_data_source/compile_utility/mds_register.h

@@ -18,6 +18,7 @@
 // inlcude those classes definations header file in below MACRO BLOCK
 // CAUTION: MAKE SURE your header file is as CLEAN as possible to avoid recursive dependencies!
 #if defined (NEED_MDS_REGISTER_DEFINE) && !defined (NEED_GENERATE_MDS_FRAME_CODE_FOR_TRANSACTION)
+  #include "src/storage/ddl/ob_ddl_change_tablet_to_table_helper.h"
   #include "src/storage/multi_data_source/compile_utility/mds_dummy_key.h"
   #include "src/storage/multi_data_source/mds_ctx.h"
   #include "src/storage/multi_data_source/test/example_user_data_define.h"
@@ -118,7 +119,10 @@ _GENERATE_MDS_FRAME_CODE_FOR_TRANSACTION_(HELPER_CLASS, BUFFER_CTX_TYPE, ID, ENU
                                           28,\
                                           TRANSFER_DEST_PREPARE)
   // UNBIND_LOB_TABLET: ID = 29 for drop lob tablet when drop column instant.
-  // CHANGE_TABLET_TO_TABLE_MDS: ID = 30 for exchange tablet to table bind relationship after exchanging partition.
+  GENERATE_MDS_FRAME_CODE_FOR_TRANSACTION(::oceanbase::storage::ObChangeTabletToTableHelper,\
+                                          ::oceanbase::storage::mds::MdsCtx,\
+                                          30,\
+                                          CHANGE_TABLET_TO_TABLE_MDS)
   // TABLET_SPLIT: ID = 31 for auto_split.
 #undef GENERATE_MDS_FRAME_CODE_FOR_TRANSACTION
 #endif