49 lines
2.3 KiB
C++
49 lines
2.3 KiB
C++
/**
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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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#include "lib/ob_define.h" // ObReplicaType
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#include "share/partition_table/ob_partition_info.h" // ObReplicaStatus
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#include "share/ob_replica_wrs_info.h" // ObReplicaWrsInfoList
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#include "storage/ob_i_partition_group.h" // ObPartitionState
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#ifndef OCEANBASE_STORAGE_OB_WRS_UTILS_H_
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#define OCEANBASE_STORAGE_OB_WRS_UTILS_H_
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namespace oceanbase {
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namespace storage {
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/**
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* Get weak_read_timestamp of all replicas on local observer
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*
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* @param [out] all_replica_wrs_info Weak_read_timestamps of all replicas
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* @param [in] tenant_id tenant id should be valid, that is, to obtain
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* Weak_read_timestamp of replica for specified tenant
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* @param [in] need_filter_invalid_replica Whether need to filter invalid replica
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* @param [in] need_inner_replica Whether need to sys table replica
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* @param [in] need_user_replica Whether need to user table replica
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*/
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int get_tenant_replica_wrs_info(share::ObReplicaWrsInfoList& all_replica_wrs_info, const int64_t tenant_id,
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const bool need_filter_invalid_replica = false, const bool need_inner_replica = true,
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const bool need_user_replica = true);
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// check whether it is a weak readable replica
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bool is_weak_readable_replica(const ObPartitionState partition_state, const common::ObReplicaType replica_type);
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// Check whether it is not a normal and weak readable replica, the main purpose is to exclude
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// unfinished migration, offline and other abnormal status replicas
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bool is_normal_weak_readable_replica(const ObPartitionState partition_state, const common::ObReplicaType replica_type,
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const share::ObReplicaStatus replica_status);
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} // namespace storage
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} // namespace oceanbase
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#endif
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