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src/sql/engine/expr/ob_iter_expr_range_param.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 DEV_SRC_SQL_ENGINE_EXPR_OB_ITER_EXPR_RANGE_PARAM_H_
+#define DEV_SRC_SQL_ENGINE_EXPR_OB_ITER_EXPR_RANGE_PARAM_H_
+#include "sql/engine/expr/ob_expr_operator.h"
+namespace oceanbase {
+namespace sql {
+class ObIterExprRangeParam : public ObIterExprOperator {
+  OB_UNIS_VERSION(1);
+
+  public:
+  ObIterExprRangeParam()
+      : ObIterExprOperator(), start_index_(common::OB_INVALID_INDEX), end_index_(common::OB_INVALID_INDEX)
+  {}
+  virtual ~ObIterExprRangeParam()
+  {}
+
+  void set_param_range(int64_t start_index, int64_t end_index)
+  {
+    start_index_ = start_index;
+    end_index_ = end_index;
+  }
+  virtual int get_next_row(ObIterExprCtx& expr_ctx, const common::ObNewRow*& result) const override;
+  TO_STRING_KV(K_(expr_id), K_(expr_type), K_(start_index), K_(end_index));
+
+  private:
+  int64_t start_index_;
+  int64_t end_index_;
+};
+}  // namespace sql
+}  // namespace oceanbase
+#endif /* DEV_SRC_SQL_ENGINE_EXPR_OB_ITER_EXPR_RANGE_PARAM_H_ */