patch 4.0

src/share/ob_global_merge_table_operator.h

@@ -0,0 +1,51 @@
+/**
+ * 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_SHARE_OB_GLOBAL_MERGE_TABLE_OPERATOR_
+#define OCEANBASE_SHARE_OB_GLOBAL_MERGE_TABLE_OPERATOR_
+
+#include "lib/mysqlclient/ob_isql_connection_pool.h"
+#include "lib/container/ob_iarray.h"
+#include "lib/mysqlclient/ob_isql_client.h"
+#include "common/ob_zone.h"
+#include "lib/mysqlclient/ob_mysql_transaction.h"
+
+namespace oceanbase
+{
+namespace common
+{
+class ObMySQLTransaction;
+}
+namespace share
+{
+struct ObGlobalMergeInfo;
+
+// CRUD operation to __all_merge_info table
+class ObGlobalMergeTableOperator
+{
+public:
+  static int load_global_merge_info(common::ObISQLClient &sql_client,
+                                    const uint64_t tenant_id,
+                                    share::ObGlobalMergeInfo &info);
+  static int insert_global_merge_info(common::ObISQLClient &sql_client,
+                                      const uint64_t tenant_id,
+                                      const share::ObGlobalMergeInfo &info);
+  // According to each filed's <need_update_> to decide whether need to be updated
+  static int update_partial_global_merge_info(common::ObISQLClient &sql_client,
+                                              const uint64_t tenant_id,
+                                              const share::ObGlobalMergeInfo &info);
+};
+
+} // end namespace share
+} // end namespace oceanbase
+
+#endif // OCEANBASE_SHARE_OB_GLOBAL_MERGE_TABLE_OPERATOR_