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src/sql/optimizer/ob_log_function_table.h

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+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#ifndef _OB_LOG_FUNCTION_TABLE_H
+#define _OB_LOG_FUNCTION_TABLE_H
+#include "sql/optimizer/ob_logical_operator.h"
+
+namespace oceanbase {
+namespace sql {
+class ObLogFunctionTable : public ObLogicalOperator {
+  public:
+  ObLogFunctionTable(ObLogPlan& plan) : ObLogicalOperator(plan), table_id_(OB_INVALID_ID), value_expr_(NULL)
+  {}
+
+  virtual ~ObLogFunctionTable()
+  {}
+
+  virtual int allocate_exchange_post(AllocExchContext* ctx) override;
+  virtual int copy_without_child(ObLogicalOperator*& out);
+  void add_values_expr(ObRawExpr* expr)
+  {
+    value_expr_ = expr;
+  }
+  const ObRawExpr* get_value_expr() const
+  {
+    return value_expr_;
+  }
+  ObRawExpr* get_value_expr()
+  {
+    return value_expr_;
+  }
+  virtual int est_cost() override;
+  virtual int compute_op_ordering() override;
+  virtual int compute_equal_set() override;
+  virtual int compute_fd_item_set() override;
+  virtual int compute_table_set() override;
+  uint64_t hash(uint64_t seed) const;
+  int generate_access_exprs(ObIArray<ObRawExpr*>& access_exprs) const;
+  virtual int allocate_expr_pre(ObAllocExprContext& ctx) override;
+  virtual int allocate_expr_post(ObAllocExprContext& ctx) override;
+  virtual int check_output_dep_specific(ObRawExprCheckDep& checker) override;
+  void set_table_id(uint64_t table_id)
+  {
+    table_id_ = table_id;
+  }
+  uint64_t get_table_id() const
+  {
+    return table_id_;
+  }
+  int inner_append_not_produced_exprs(ObRawExprUniqueSet& raw_exprs) const;
+
+  private:
+  virtual int print_my_plan_annotation(char* buf, int64_t& buf_len, int64_t& pos, ExplainType type);
+
+  private:
+  uint64_t table_id_;
+  ObRawExpr* value_expr_;
+  DISALLOW_COPY_AND_ASSIGN(ObLogFunctionTable);
+};
+}  // namespace sql
+}  // namespace oceanbase
+#endif