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src/sql/optimizer/ob_log_expr_values.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_EXPR_VALUES_H
+#define _OB_LOG_EXPR_VALUES_H
+#include "sql/optimizer/ob_logical_operator.h"
+
+namespace oceanbase {
+namespace sql {
+class ObLogExprValues : public ObLogicalOperator {
+  public:
+  ObLogExprValues(ObLogPlan& plan) : ObLogicalOperator(plan), need_columnlized_(false)
+  {}
+  virtual int allocate_exchange_post(AllocExchContext* ctx) override;
+  virtual int copy_without_child(ObLogicalOperator*& out)
+  {
+    return clone(out);
+  }
+  void set_need_columnlized(bool need_columnlized)
+  {
+    need_columnlized_ = need_columnlized;
+  }
+  bool is_need_columnlized() const
+  {
+    return need_columnlized_;
+  }
+  int add_values_expr(const common::ObIArray<ObRawExpr*>& value_exprs);
+  int add_str_values_array(const common::ObIArray<ObRawExpr*>& expr);
+
+  const common::ObIArray<ObRawExpr*>& get_value_exprs() const
+  {
+    return value_exprs_;
+  }
+  common::ObIArray<ObRawExpr*>& get_value_exprs()
+  {
+    return value_exprs_;
+  }
+  const common::ObIArray<ObStrValues>& get_str_values_array() const
+  {
+    return str_values_array_;
+  }
+  int check_range_param_continuous(bool& use_range_param) const;
+  int get_value_param_range(int64_t row_index, int64_t& param_idx_start, int64_t& param_idx_end) const;
+  virtual int est_cost() override;
+  virtual int compute_op_ordering() override;
+  virtual int compute_equal_set() override;
+  virtual int compute_table_set() override;
+  virtual int compute_fd_item_set() override;
+  virtual int compute_one_row_info() override;
+  virtual int allocate_dummy_output();
+  uint64_t hash(uint64_t seed) const;
+  virtual int allocate_expr_post(ObAllocExprContext& ctx) override;
+  virtual int inner_append_not_produced_exprs(ObRawExprUniqueSet& raw_exprs) const override;
+
+  private:
+  virtual int print_my_plan_annotation(char* buf, int64_t& buf_len, int64_t& pos, ExplainType type);
+
+  private:
+  bool need_columnlized_;
+  common::ObSEArray<ObRawExpr*, 4, common::ModulePageAllocator, true> value_exprs_;
+  // only engine 3.0 used
+  common::ObSEArray<ObStrValues, 4, common::ModulePageAllocator, true> str_values_array_;
+  DISALLOW_COPY_AND_ASSIGN(ObLogExprValues);
+};
+}  // namespace sql
+}  // namespace oceanbase
+#endif