| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| **/ |
| |
| #ifndef QUICKSTEP_CLI_PRINT_TO_SCREEN_HPP_ |
| #define QUICKSTEP_CLI_PRINT_TO_SCREEN_HPP_ |
| |
| #include <cstdio> |
| #include <string> |
| #include <vector> |
| |
| #include "storage/StorageBlockInfo.hpp" |
| #include "utility/Macros.hpp" |
| |
| namespace quickstep { |
| |
| class CatalogRelation; |
| class StorageManager; |
| class TupleStorageSubBlock; |
| |
| /** \addtogroup CLI |
| * @{ |
| */ |
| |
| /** |
| * @brief All static methods which print all of the tuples in a relation to |
| * a FILE* stream. |
| **/ |
| class PrintToScreen { |
| public: |
| static void PrintRelation(const CatalogRelation &relation, |
| StorageManager *storage_manager, |
| FILE *out); |
| |
| static std::string GenerateHBar(const std::vector<int> &column_widths); |
| |
| /** |
| * @brief Get the total number of tuples in the given relation. |
| * |
| * @param relation The given relation. |
| * @param storage_manager The storage manager. |
| * |
| * @return The total number of tuples in the relation. |
| **/ |
| static std::size_t GetNumTuplesInRelation(const CatalogRelation &relation, |
| StorageManager *storage_manager); |
| |
| /** |
| * @brief Print the size of the output (i.e. number of rows in the relation). |
| * |
| * @param relation The given relation. |
| * @param storage_manager The storage manager. |
| * @param out The output stream. |
| **/ |
| static void PrintOutputSize(const CatalogRelation &relation, |
| StorageManager *storage_manager, |
| FILE *out); |
| |
| /** |
| * @brief Return the number of digits in a number |
| * |
| * @param number The input number. |
| * @param out The number of digits in the input number. |
| **/ |
| static int GetNumberOfDigits(int number); |
| |
| private: |
| // Undefined default constructor. Class is all-static and should not be |
| // instantiated. |
| PrintToScreen(); |
| |
| static void printTuple(const TupleStorageSubBlock &tuple_store, |
| const tuple_id tid, |
| const std::vector<int> &column_widths, |
| FILE *out); |
| |
| DISALLOW_COPY_AND_ASSIGN(PrintToScreen); |
| }; |
| |
| /** @} */ |
| |
| } // namespace quickstep |
| |
| #endif // QUICKSTEP_CLI_PRINT_TO_SCREEN_HPP_ |