71 lines
2.1 KiB
C++
71 lines
2.1 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_stat_collector.h"
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using namespace oceanbase::sql;
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using namespace oceanbase::common;
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const char *ObLogStatCollector::get_name() const
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{
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static const char *name[1] =
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{
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"STATISTICS COLLECTOR",
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};
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return name[0];
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}
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int ObLogStatCollector::set_sort_keys(const common::ObIArray<OrderItem> &order_keys)
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{
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int ret = OB_SUCCESS;
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if (OB_FAIL(sort_keys_.assign(order_keys))) {
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LOG_WARN("failed to set sort keys", K(ret));
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} else { /* do nothing */ }
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return ret;
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}
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int ObLogStatCollector::get_op_exprs(ObIArray<ObRawExpr*> &all_exprs)
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{
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int ret = OB_SUCCESS;
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for (int64_t i = 0; OB_SUCC(ret) && i < sort_keys_.count(); i++) {
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if (OB_ISNULL(sort_keys_.at(i).expr_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("get unexpected null", K(ret));
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} else if (OB_FAIL(all_exprs.push_back(sort_keys_.at(i).expr_))) {
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LOG_WARN("failed to push back exprs", K(ret));
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} else { /*do nothing*/ }
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}
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if (OB_SUCC(ret)) {
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if (OB_FAIL(ObLogicalOperator::get_op_exprs(all_exprs))) {
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LOG_WARN("failed to get op exprs", K(ret));
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} else { /*do nothing*/ }
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}
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return ret;
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}
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int ObLogStatCollector::inner_replace_op_exprs(ObRawExprReplacer &replacer)
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{
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int ret = OB_SUCCESS;
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for (int64_t i = 0; OB_SUCC(ret) && i < sort_keys_.count(); i++) {
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if (OB_ISNULL(sort_keys_.at(i).expr_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("get unexpected null", K(ret));
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} else if (OB_FAIL(replace_expr_action(replacer, sort_keys_.at(i).expr_))) {
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LOG_WARN("failed to replace sort key expr", K(ret));
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}
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}
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return ret;
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}
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