3cada22bdc
Co-authored-by: yinyj17 <yinyijun92@gmail.com> Co-authored-by: xianyu-w <707512433@qq.com> Co-authored-by: jingtaoye35 <1255153887@qq.com>
70 lines
2.7 KiB
C++
70 lines
2.7 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 _OB_UPDATE_LOG_PLAN_H
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#define _OB_UPDATE_LOG_PLAN_H 1
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#include "sql/optimizer/ob_del_upd_log_plan.h"
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#include "sql/resolver/dml/ob_update_stmt.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 ObLogUpdate;
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class ObUpdateLogPlan : public ObDelUpdLogPlan
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{
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public:
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ObUpdateLogPlan(ObOptimizerContext &ctx, const ObUpdateStmt *update_stmt)
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: ObDelUpdLogPlan(ctx, update_stmt)
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{}
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virtual ~ObUpdateLogPlan() {}
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const ObUpdateStmt *get_stmt() const override
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{ return reinterpret_cast<const ObUpdateStmt*>(stmt_); }
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int perform_vector_assign_expr_replacement(ObUpdateStmt *stmt);
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protected:
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virtual int generate_normal_raw_plan() override;
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private:
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int candi_allocate_update();
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int candi_allocate_pdml_update();
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int create_update_plans(ObIArray<CandidatePlan> &candi_plans,
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ObConstRawExpr *lock_row_flag_expr,
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const bool force_no_multi_part,
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const bool force_multi_part,
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ObIArray<CandidatePlan> &update_plans);
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int allocate_update_as_top(ObLogicalOperator *&top,
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ObConstRawExpr *lock_row_flag_expr,
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bool is_multi_part_dml);
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int replace_alias_ref_expr(ObRawExpr *&expr, bool &replace_happened);
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int extract_assignment_subqueries(ObIArray<ObRawExpr*> &normal_query_refs,
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ObIArray<ObRawExpr*> &alias_query_refs);
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int extract_assignment_subqueries(ObRawExpr *expr,
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ObIArray<ObRawExpr*> &normal_query_refs,
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ObIArray<ObRawExpr*> &alias_query_refs);
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virtual int prepare_dml_infos() override;
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virtual int prepare_table_dml_info_special(const ObDmlTableInfo& table_info,
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IndexDMLInfo* table_dml_info,
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ObIArray<IndexDMLInfo*> &index_dml_infos,
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ObIArray<IndexDMLInfo*> &all_index_dml_infos) override;
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DISALLOW_COPY_AND_ASSIGN(ObUpdateLogPlan);
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private:
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};
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}
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}
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#endif
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