2d19a9d8f5
Co-authored-by: leslieyuchen <leslieyuchen@gmail.com> Co-authored-by: Charles0429 <xiezhenjiang@gmail.com> Co-authored-by: raywill <hustos@gmail.com>
54 lines
1.3 KiB
C++
54 lines
1.3 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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#define USING_LOG_PREFIX SQL_OPT
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#include "sql/optimizer/ob_log_monitoring_dump.h"
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#include "sql/optimizer/ob_optimizer_util.h"
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#include "ob_opt_est_cost.h"
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#include "ob_select_log_plan.h"
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using namespace oceanbase;
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using namespace sql;
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using namespace oceanbase::common;
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namespace oceanbase
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{
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namespace sql
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{
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const char *ObLogMonitoringDump::get_name() const
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{
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static const char *monitoring_name_[1] =
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{
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"MONITORING DUMP",
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};
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return monitoring_name_[0];
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}
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int ObLogMonitoringDump::est_cost()
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{
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int ret = OB_SUCCESS;
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ObLogicalOperator *child = NULL;
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if (OB_ISNULL(child = get_child(first_child))) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("get unexpected null", K(child), K(ret));
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} else {
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set_op_cost(0.0);
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set_cost(op_cost_ + child->get_cost());
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set_card(child->get_card());
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}
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return ret;
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}
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}
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}
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