/usr/include/Poco/Data/MySQL/ResultMetadata.h is in libpoco-dev 1.8.0.1-1ubuntu4.
This file is owned by root:root, with mode 0o644.
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// ResultMetadata.h
//
// Library: Data/MySQL
// Package: MySQL
// Module: ResultMetadata
//
// Definition of the ResultMetadata class.
//
// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Data_MySQL_ResultMetadata_INCLUDED
#define Data_MySQL_ResultMetadata_INCLUDED
#include <mysql.h>
#include <vector>
#include "Poco/Data/MetaColumn.h"
namespace Poco {
namespace Data {
namespace MySQL {
class ResultMetadata
/// MySQL result metadata
{
public:
void reset();
/// Resets the metadata.
void init(MYSQL_STMT* stmt);
/// Initializes the metadata.
std::size_t columnsReturned() const;
/// Returns the number of columns in resultset.
const MetaColumn& metaColumn(std::size_t pos) const;
/// Returns the reference to the specified metacolumn.
MYSQL_BIND* row();
/// Returns pointer to native row.
std::size_t length(std::size_t pos) const;
/// Returns the length.
const unsigned char* rawData(std::size_t pos) const;
/// Returns raw data.
bool isNull(std::size_t pos) const;
/// Returns true if value at pos is null.
private:
std::vector<MetaColumn> _columns;
std::vector<MYSQL_BIND> _row;
std::vector<char> _buffer;
std::vector<unsigned long> _lengths;
std::vector<my_bool> _isNull;
};
}}}
#endif //Data_MySQL_ResultMetadata_INCLUDED
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