/** * 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 ORC_COLUMN_PRINTER_HH #define ORC_COLUMN_PRINTER_HH #include "orc/OrcFile.hh" #include "orc/Vector.hh" #include "orc/orc-config.hh" #include #include #include #include namespace orc { class ColumnPrinter { protected: std::string& buffer; bool hasNulls; const char* notNull; public: ColumnPrinter(std::string&); virtual ~ColumnPrinter(); virtual void printRow(uint64_t rowId) = 0; // should be called once at the start of each batch of rows virtual void reset(const ColumnVectorBatch& batch); }; std::unique_ptr createColumnPrinter(std::string&, const Type* type); } // namespace orc #endif