79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
/**
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* Copyright (c) 2023 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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#define USING_LOG_PREFIX SQL_OPT
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#include "sql/optimizer/ob_log_link_dml.h"
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using namespace oceanbase::sql;
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using namespace oceanbase::common;
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using namespace oceanbase::sql::log_op_def;
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namespace oceanbase
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{
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namespace sql
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{
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ObLogLinkDml::ObLogLinkDml(ObLogPlan &plan)
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: ObLogLink(plan),
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dml_type_(stmt::StmtType::T_SELECT)
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{}
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int ObLogLinkDml::compute_op_ordering()
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{
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int ret = OB_SUCCESS;
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get_op_ordering().reset();
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is_local_order_ = false;
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return ret;
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}
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int ObLogLinkDml::get_explain_name_internal(char *buf, const int64_t buf_len, int64_t &pos)
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{
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int ret = common::OB_SUCCESS;
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switch (dml_type_) {
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case stmt::StmtType::T_INSERT:
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ret = BUF_PRINTF("%s", "LINK INSERT");
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break;
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case stmt::StmtType::T_UPDATE:
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ret = BUF_PRINTF("%s", "LINK UPDATE");
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break;
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case stmt::StmtType::T_DELETE:
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ret = BUF_PRINTF("%s", "LINK DELETE");
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break;
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case stmt::StmtType::T_MERGE:
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ret = BUF_PRINTF("%s", "LINK MERGE INTO");
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break;
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default:
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ret = BUF_PRINTF("%s", get_name());
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}
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return ret;
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}
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int ObLogLinkDml::get_plan_item_info(PlanText &plan_text,
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ObSqlPlanItem &plan_item)
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{
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int ret = OB_SUCCESS;
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if (OB_FAIL(ObLogLink::get_plan_item_info(plan_text, plan_item))) {
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LOG_WARN("failed to get plan item info", K(ret));
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} else {
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BEGIN_BUF_PRINT;
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if (OB_FAIL(get_explain_name_internal(buf, buf_len, pos))) {
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LOG_WARN("failed to get explain name", K(ret));
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}
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END_BUF_PRINT(plan_item.operation_, plan_item.operation_len_);
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}
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return ret;
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}
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} // namespace sql
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} // namespace oceanbase
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