92 lines
2.8 KiB
C++
92 lines
2.8 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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#ifndef __OB_SQL_END_TRANS_CB_PACKET_PARAM_H__
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#define __OB_SQL_END_TRANS_CB_PACKET_PARAM_H__
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#include "share/ob_define.h"
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#include "lib/profile/ob_trace_id.h"
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namespace oceanbase
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{
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namespace sql
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{
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/*
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* 用于将ResultSet中必要的参数传递给EndTransCallback
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* 以避免传ResultSet到Callback中，带来引用计数的问题
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*/
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class ObResultSet;
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class ObSQLSessionInfo;
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class ObEndTransCbPacketParam
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{
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public:
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ObEndTransCbPacketParam() :
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affected_rows_(0),
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last_insert_id_to_client_(0),
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is_partition_hit_(true),
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trace_id_(),
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is_valid_(false)
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{
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message_[0] = '\0';
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}
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virtual ~ObEndTransCbPacketParam() {}
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ObEndTransCbPacketParam &operator=(const ObEndTransCbPacketParam& other);
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void reset()
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{
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message_[0] = '\0';
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affected_rows_ = 0;
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last_insert_id_to_client_ = 0;
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is_partition_hit_ = true;
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trace_id_.reset();
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is_valid_ = false;
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}
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const ObEndTransCbPacketParam &fill(ObResultSet &rs,
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ObSQLSessionInfo &session,
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const common::ObCurTraceId::TraceId &trace_id);
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// 判断是否设置过本对象
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// 因为本对象会存储在session中，所以需要自己管理状态
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// 每次Callback用完后需要reset
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bool is_valid() const { return is_valid_; }
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// 获取各个参数
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const char *get_message() const { return message_; }
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int64_t get_affected_rows() const { return affected_rows_; }
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uint64_t get_last_insert_id_to_client() const { return last_insert_id_to_client_; }
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bool get_is_partition_hit() const { return is_partition_hit_; }
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const common::ObCurTraceId::TraceId &get_trace_id() const { return trace_id_; }
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TO_STRING_KV(K_(message),
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K_(affected_rows),
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K_(last_insert_id_to_client),
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K_(is_partition_hit),
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K_(trace_id),
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K_(is_valid));
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private:
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// TODO: (rongxuan.lc) 此处可以优化，变成只传一个数字，具体message_在发包时生成
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char message_[common::MSG_SIZE];// null terminated message string
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int64_t affected_rows_;// number of rows affected by INSERT/UPDATE/DELETE
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uint64_t last_insert_id_to_client_;
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bool is_partition_hit_;
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common::ObCurTraceId::TraceId trace_id_;
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bool is_valid_;
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};
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}
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}
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#endif /* __OB_SQL_END_TRANS_CB_PACKET_PARAM_H__ */
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//// end of header file
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