[FEAT MERGE] Support external table

Co-authored-by: jingtaoye35 <1255153887@qq.com>

src/share/external_table/ob_external_table_file_task.h

@@ -0,0 +1,79 @@
+/**
+ * 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 OBDEV_SRC_EXTERNAL_TABLE_FILE_TASK_H_
+#define OBDEV_SRC_EXTERNAL_TABLE_FILE_TASK_H_
+#include "rpc/obrpc/ob_rpc_result_code.h"
+#include "deps/oblib/src/lib/lock/ob_thread_cond.h"
+namespace oceanbase
+{
+namespace share
+{
+
+class ObFlushExternalTableFileCacheReq
+{
+  OB_UNIS_VERSION(1);
+public:
+  ObFlushExternalTableFileCacheReq() :
+    tenant_id_(common::OB_INVALID_ID), table_id_(common::OB_INVALID_ID), partition_id_(common::OB_INVALID_ID) {}
+public:
+  uint64_t tenant_id_;
+  int64_t table_id_;
+  int64_t partition_id_;
+  TO_STRING_KV(K_(tenant_id), K_(table_id), K_(partition_id));
+};
+
+class ObFlushExternalTableFileCacheRes
+{
+  OB_UNIS_VERSION(1);
+public:
+  ObFlushExternalTableFileCacheRes() : rcode_() {}
+  TO_STRING_KV(K_(rcode));
+public:
+  obrpc::ObRpcResultCode rcode_;
+};
+
+class ObLoadExternalFileListReq
+{
+  OB_UNIS_VERSION(1);
+public:
+  ObLoadExternalFileListReq() :
+   location_() {}
+public:
+  ObString location_;
+  TO_STRING_KV(K_(location));
+};
+
+class ObLoadExternalFileListRes
+{
+  OB_UNIS_VERSION(1);
+public:
+  ObLoadExternalFileListRes() : rcode_(), file_urls_(), file_sizes_(), allocator_() {}
+
+  ObIAllocator &get_alloc() { return allocator_; }
+  int assign(const ObLoadExternalFileListRes &other);
+  TO_STRING_KV(K_(rcode));
+public:
+  obrpc::ObRpcResultCode rcode_; //返回的错误信息
+  ObSEArray<ObString, 8> file_urls_;
+  ObSEArray<int64_t, 8> file_sizes_;
+
+private:
+  ObArenaAllocator allocator_;
+};
+
+
+
+
+}  // namespace share
+}  // namespace oceanbase
+#endif /* OBDEV_SRC_EXTERNAL_TABLE_FILE_TASK_H_ */