File: C:/Users/fred/anaconda3/Library/include/orc/ColumnPrinter.hh
/**
* 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 <stdio.h>
#include <memory>
#include <string>
#include <vector>
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<ColumnPrinter> createColumnPrinter(std::string&, const Type* type);
} // namespace orc
#endif