62 lines
1.7 KiB
C++
62 lines
1.7 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 OCEANBASE_SQL_TRANS_UTIL_
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#define OCEANBASE_SQL_TRANS_UTIL_
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#include "share/ob_define.h"
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#include "sql/ob_sql_define.h"
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#include "lib/utility/ob_unify_serialize.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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class ObSQLSessionInfo;
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class ObSqlTransUtil
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{
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public:
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/* 判断一个语句是否应该在远程开启事务 */
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static bool is_remote_trans(bool ac, bool in_trans, ObPhyPlanType ptype)
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{
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return true == ac && false == in_trans && OB_PHY_PLAN_REMOTE == ptype;
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}
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/* 判断是否能够自动开启事务 */
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static bool plan_can_start_trans(bool ac, bool in_trans)
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{
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UNUSED(ac);
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return false == in_trans;
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}
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/* 判断是否能够自动结束当前事务 */
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static bool plan_can_end_trans(bool ac, bool explicit_start_trans)
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{
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return false == explicit_start_trans && true == ac;
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}
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/* 判断cmd是否能够自动结束上一个事务 */
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static bool cmd_need_new_trans(bool ac, bool in_trans)
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{
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UNUSED(ac);
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return true == in_trans;
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}
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private:
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ObSqlTransUtil() {};
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~ObSqlTransUtil() {};
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DISALLOW_COPY_AND_ASSIGN(ObSqlTransUtil);
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};
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}
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}
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#endif /* OCEANBASE_SQL_TRANS_UTIL_ */
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//// end of header file
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