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src/storage/ob_backup_archive_log.h
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195
src/storage/ob_backup_archive_log.h
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/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef OCEANBASE_ROOTSERVER_OB_BACKUP_ARCHIVELOG_H_
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#define OCEANBASE_ROOTSERVER_OB_BACKUP_ARCHIVELOG_H_
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#include "archive/ob_log_archive_define.h"
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#include "clog/ob_log_reader_interface.h"
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#include "lib/allocator/page_arena.h"
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#include "lib/lock/ob_spin_rwlock.h"
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#include "lib/queue/ob_link_queue.h"
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#include "lib/string/ob_string.h"
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#include "lib/hash/ob_link_hashmap.h"
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#include "share/ob_thread_pool.h"
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#include "share/backup/ob_backup_struct.h"
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#include "share/backup/ob_backup_path.h"
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#include "share/scheduler/ob_dag_scheduler.h"
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namespace oceanbase {
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namespace common {
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class ObInOutBandwidthThrottle;
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}
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namespace archive {
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class ObArchiveLogFileStore;
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}
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namespace storage {
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class ObMigrateCtx;
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struct ObBackupArchiveLogPGCtx {
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public:
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ObBackupArchiveLogPGCtx();
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virtual ~ObBackupArchiveLogPGCtx();
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int open(ObMigrateCtx& mig_ctx, const common::ObPGKey& pg_key, common::ObInOutBandwidthThrottle& throttle);
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int close();
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TO_STRING_KV(K_(pg_key), K_(src_backup_dest), K_(src_storage_info), K_(dst_backup_dest), K_(dst_storage_info));
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bool is_opened_;
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common::ObPGKey pg_key_;
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int64_t log_archive_round_;
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int64_t checkpoint_ts_;
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int64_t rs_checkpoint_ts_;
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char src_backup_dest_[share::OB_MAX_BACKUP_PATH_LENGTH];
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char src_storage_info_[share::OB_MAX_BACKUP_STORAGE_INFO_LENGTH];
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char dst_backup_dest_[share::OB_MAX_BACKUP_PATH_LENGTH];
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char dst_storage_info_[share::OB_MAX_BACKUP_STORAGE_INFO_LENGTH];
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ObMigrateCtx* mig_ctx_;
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common::ObInOutBandwidthThrottle* throttle_;
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private:
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DISALLOW_COPY_AND_ASSIGN(ObBackupArchiveLogPGCtx);
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};
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class ObBackupArchiveLogPGTask : public share::ObITask {
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struct RoundRange {
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RoundRange() : min_round_(OB_INVALID_ID), max_round_(OB_INVALID_ID)
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{}
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bool is_valid() const
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{
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return OB_INVALID_ID != min_round_ && OB_INVALID_ID != max_round_;
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}
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void reset()
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{
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min_round_ = OB_INVALID_ID;
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max_round_ = OB_INVALID_ID;
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}
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TO_STRING_KV(K_(min_round), K_(max_round));
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uint64_t min_round_;
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uint64_t max_round_;
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};
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struct FileRange {
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FileRange() : min_file_id_(OB_INVALID_ID), max_file_id_(OB_INVALID_ID)
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{}
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bool is_valid() const
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{
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return OB_INVALID_ID != min_file_id_ && OB_INVALID_ID != max_file_id_;
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}
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void reset()
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{
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min_file_id_ = OB_INVALID_ID;
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max_file_id_ = OB_INVALID_ID;
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}
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TO_STRING_KV(K_(min_file_id), K_(max_file_id));
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uint64_t min_file_id_;
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uint64_t max_file_id_;
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};
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struct FileInfo {
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FileInfo()
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{}
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TO_STRING_KV(K_(uri), K_(info));
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common::ObString uri_;
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common::ObString info_;
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char dest_path_[share::OB_MAX_BACKUP_PATH_LENGTH]; // under line storage for uri_
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char storage_info_[share::OB_MAX_BACKUP_STORAGE_INFO_LENGTH]; // under line storage for info_
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};
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public:
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ObBackupArchiveLogPGTask();
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virtual ~ObBackupArchiveLogPGTask();
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int init(ObMigrateCtx& mig_ctx, ObBackupArchiveLogPGCtx& pg_ctx);
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virtual int process() override;
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private:
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int check_nfs_mounted_if_nfs(const ObBackupArchiveLogPGCtx& pg_ctx, bool& mounted);
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int converge_task(
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const archive::LogArchiveFileType file_type, const ObBackupArchiveLogPGCtx& pg_ctx, FileRange& file_range);
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int catchup_archive_log(const archive::LogArchiveFileType file_type, const ObBackupArchiveLogPGCtx& pg_ctx,
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const FileRange& data_file_range);
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int get_file_range(const char* backup_dest, const common::ObString& storage_info,
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const archive::LogArchiveFileType file_type, const int64_t log_archive_round, const common::ObPGKey& pg_key,
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FileRange& file_range);
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int init_archive_file_store_(ObBackupArchiveLogPGCtx& task, const int64_t incarnation, const int64_t round,
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archive::ObArchiveLogFileStore& file_store);
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int get_file_path_info(const char* backup_dest, const char* storage_info, const common::ObPGKey& pg_key,
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const archive::LogArchiveFileType file_type, const int64_t incarnation, const int64_t round,
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const int64_t file_id, FileInfo& file_info);
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int extract_last_log_in_data_file(ObBackupArchiveLogPGCtx& pg_ctx, const int64_t file_id);
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int cal_data_file_range_delta(const common::ObPGKey& pkey, const int64_t log_archive_round,
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const FileRange& src_file_range, const FileRange& dst_file_range, FileRange& delta_file_range);
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int check_archive_log_interrupted(const int64_t log_archive_round, const FileRange& src_file_range,
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const FileRange& dst_file_range, bool& interrupted);
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int check_file_exist(const FileInfo& file_info, bool& file_exist);
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int get_file_length(const FileInfo& file_info, int64_t& file_length);
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int check_and_mkdir(const archive::LogArchiveFileType file_type, const ObBackupArchiveLogPGCtx& pg_ctx);
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int do_file_transfer(const archive::LogArchiveFileType file_type, const ObBackupArchiveLogPGCtx& pg_ctx,
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const FileInfo& src_info, const FileInfo& dst_info, const bool dst_exist);
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int do_single_file_transfer(const archive::LogArchiveFileType file_type, const ObBackupArchiveLogPGCtx& pg_ctx,
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const FileInfo& src_info, const FileInfo& dst_info);
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int do_part_file_transfer(const FileInfo& src_info, const FileInfo& dst_info);
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int read_single_file(const FileInfo& file_info, clog::ObReadBuf& rbuf);
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int write_single_file(const FileInfo& file_info, const clog::ObReadBuf& buf);
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int read_part_file(const FileInfo& file_info, const int64_t offset, clog::ObReadBuf& rbuf);
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int write_part_file(const FileInfo& file_info, const clog::ObReadBuf& buf);
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int build_archive_file_prefix(const char* backup_dest, const common::ObPGKey& pg_key,
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const archive::LogArchiveFileType file_type, const int64_t incarnation, const int64_t round, char* dest_path,
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int64_t& pos);
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int build_archive_file_path(const char* backup_dest, const common::ObPGKey& pg_key,
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const archive::LogArchiveFileType file_type, const int64_t incarnation, const int64_t round,
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const int64_t file_id, char* dest_path);
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int build_file_prefix(const ObPGKey& pg_key, const char* base_path, const archive::LogArchiveFileType file_type,
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char* dest_path_buf, int64_t& pos);
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const char* get_file_prefix_with_type(const archive::LogArchiveFileType file_type);
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private:
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int try_touch_archive_key(const ObBackupArchiveLogPGCtx& pg_ctx, const int64_t incarnation, const int64_t round);
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int build_archive_key_prefix(
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const ObBackupArchiveLogPGCtx& pg_ctx, const ObPGKey& pg_key, const int64_t incarnation, const int64_t round);
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int touch_archive_key_file(
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const ObBackupArchiveLogPGCtx& pg_ctx, const int64_t incarnation, const int64_t round, const ObPGKey& pg_key);
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int build_archive_key_path(const ObBackupArchiveLogPGCtx& pg_ctx, const int64_t incarnation, const int64_t round,
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const ObPGKey& pkey, share::ObBackupPath& archive_key_path);
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private:
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bool is_inited_;
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common::ObPGKey pg_key_;
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ObMigrateCtx* mig_ctx_;
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ObBackupArchiveLogPGCtx* pg_ctx_;
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common::ObInOutBandwidthThrottle* throttle_;
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private:
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DISALLOW_COPY_AND_ASSIGN(ObBackupArchiveLogPGTask);
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};
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class ObBackupArchiveLogFinishTask : public share::ObITask {
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public:
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ObBackupArchiveLogFinishTask();
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virtual ~ObBackupArchiveLogFinishTask();
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int init(ObMigrateCtx& mig_ctx);
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virtual int process() override;
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ObBackupArchiveLogPGCtx& get_backup_archivelog_ctx()
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{
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return pg_ctx_;
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}
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private:
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bool is_inited_;
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ObMigrateCtx* mig_ctx_;
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ObBackupArchiveLogPGCtx pg_ctx_;
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private:
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DISALLOW_COPY_AND_ASSIGN(ObBackupArchiveLogFinishTask);
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};
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} // end namespace storage
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} // end namespace oceanbase
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#endif
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