4108e781d4
Co-authored-by: xianyu-w <707512433@qq.com> Co-authored-by: sdc <njucssdc@gmail.com> Co-authored-by: seuwebber <webber_code@163.com>
69 lines
2.2 KiB
C++
69 lines
2.2 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 OCEANBASE_SQL_OB_LOG_LINK_H
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#define OCEANBASE_SQL_OB_LOG_LINK_H
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#include "sql/optimizer/ob_logical_operator.h"
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#include "sql/optimizer/ob_log_plan.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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typedef common::ObIArray<common::ObString> ObStringIArray;
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enum LinkType {
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NONE = 0,
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SELECT,
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INSERT,
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UPDATE,
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DELETE,
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MERGE_INTO
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};
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class ObLogLink : public ObLogicalOperator
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{
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public:
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ObLogLink(ObLogPlan &plan);
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virtual ~ObLogLink() {}
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virtual int est_cost() override;
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virtual int compute_sharding_info() override;
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virtual int compute_op_parallel_and_server_info() override;
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inline const common::ObIArray<ObParamPosIdx> &get_param_infos() const { return param_infos_; }
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inline const char *get_stmt_fmt_buf() const { return stmt_fmt_buf_; }
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inline int32_t get_stmt_fmt_len() const { return stmt_fmt_len_; }
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int gen_link_stmt_param_infos();
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virtual int set_link_stmt(const ObDMLStmt* stmt = NULL);
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inline void set_reverse_link(bool reverse_link) { is_reverse_link_ = reverse_link; }
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inline bool get_reverse_link() { return is_reverse_link_; }
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int mark_exec_params(ObDMLStmt *stmt);
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protected:
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virtual int get_plan_item_info(PlanText &plan_text,
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ObSqlPlanItem &plan_item) override;
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private:
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int print_link_stmt(char *buf, int64_t buf_len);
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virtual bool print_flashback_query() const { return false; };
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protected:
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common::ObIAllocator &allocator_;
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char *stmt_fmt_buf_;
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int32_t stmt_fmt_len_;
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bool is_reverse_link_;
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uint64_t tm_dblink_id_;
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common::ObSEArray<ObParamPosIdx, 16, common::ModulePageAllocator, true> param_infos_;
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};
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} // namespace sql
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} // namespace oceanbase
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#endif // OCEANBASE_SQL_OB_LOG_LINK_H
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