patch 4.0

src/share/ob_global_context_operator.h

@@ -0,0 +1,80 @@
+/**
+ * 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 __OB_SHARE_SCHEMA_GLOBAL_CONTEXT_OPERATOR_H__
+#define __OB_SHARE_SCHEMA_GLOBAL_CONTEXT_OPERATOR_H__
+
+#include "lib/utility/ob_macro_utils.h"
+#include "lib/container/ob_bit_set.h"
+
+namespace oceanbase
+{
+namespace common
+{
+class ObISQLClient;
+class ObMySQLTransaction;
+}
+namespace share
+{
+namespace schema
+{
+class ObSchemaGetterGuard;
+class ObContextSchema;
+class ObMultiVersionSchemaService;
+}
+
+class ObGlobalContextOperator
+{
+public:
+  ObGlobalContextOperator();
+  virtual ~ObGlobalContextOperator();
+  int clean_global_context(const common::ObIArray<uint64_t> &tenant_ids,
+                           common::ObISQLClient &sql_proxy,
+                           share::schema::ObMultiVersionSchemaService &schema_service);
+  int delete_global_context(const uint64_t tenant_id,
+                            const uint64_t context_id,
+                            const ObString &attribute,
+                            const ObString &client_id,
+                            ObISQLClient &sql_proxy);
+  int delete_global_contexts_by_id(const uint64_t tenant_id,
+                                  const uint64_t context_id,
+                                  ObISQLClient &sql_proxy);
+  int delete_global_contexts_by_ids(const uint64_t tenant_id,
+                                    const common::ObIArray<uint64_t> &context_ids,
+                                    ObISQLClient &sql_proxy);
+  int insert_update_context(const uint64_t tenant_id,
+                            const uint64_t context_id,
+                            const ObString &context_name,
+                            const ObString &attribute,
+                            const ObString &client_id,
+                            const ObString &username,
+                            const ObString &value,
+                            ObISQLClient &sql_proxy);
+  int read_global_context(const uint64_t tenant_id,
+                          const uint64_t context_id,
+                          const ObString &attribute,
+                          const ObString &client_id,
+                          const ObString &username, 
+                          ObString &value,
+                          bool &exist,
+                          ObISQLClient &sql_proxy,
+                          common::ObIAllocator &alloc);
+  
+private:
+  /* functions */
+  /* variables */
+  DISALLOW_COPY_AND_ASSIGN(ObGlobalContextOperator);
+};
+}
+}
+#endif /* __OB_SHARE_SCHEMA_GLOBAL_CONTEXT_OPERATOR_H__ */
+//// end of header file