814de27a42
Co-authored-by: zzg19950727 <1071026277@qq.com> Co-authored-by: xianyu-w <707512433@qq.com>
57 lines
2.1 KiB
C++
57 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 "lib/json/ob_json.h"
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#include "sql/optimizer/ob_help_log_plan.h"
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#include "sql/optimizer/ob_log_operator_factory.h"
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#include "sql/optimizer/ob_log_plan_factory.h"
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#include "sql/optimizer/ob_log_values.h"
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#include "sql/resolver/ob_stmt.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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using namespace oceanbase::json;
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using namespace oceanbase::sql::log_op_def;
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int ObHelpLogPlan::generate_normal_raw_plan()
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{
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int ret = OB_SUCCESS;
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ObLogicalOperator *top = NULL;
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ObLogValues *values = nullptr;
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set_max_op_id(1);
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if (OB_ISNULL(get_stmt()) || OB_UNLIKELY(!get_stmt()->is_help_stmt())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("get unexpected error", K(get_stmt()), K(ret));
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} else if (OB_FAIL(allocate_values_as_top(top))) {
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LOG_WARN("failed to allocate expr values as top", K(ret));
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} else if (OB_ISNULL(values = static_cast<ObLogValues *>(top))
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|| OB_UNLIKELY(LOG_VALUES != top->get_type())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("get unexpected null", K(top), K(ret));
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} else if (OB_FAIL(values->set_row_store(
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static_cast<const ObHelpStmt*>(get_stmt())->get_row_store()))) {
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LOG_WARN("failed to set row store", K(ret));
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} else {
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top->mark_is_plan_root();
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set_plan_root(top);
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get_optimizer_context().get_all_exprs().reuse();
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for (int64_t i = 0; OB_SUCC(ret) && i < values->get_col_count(); ++i) {
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if (OB_FAIL(allocate_output_expr_for_values_op(*values))) {
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LOG_WARN("failed to allocate output expr", K(ret));
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}
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}
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}
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return ret;
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}
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