/usr/include/Poco/Data/MetaColumn.h is in libpoco-dev 1.8.0.1-1ubuntu4.
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// MetaColumn.h
//
// Library: Data
// Package: DataCore
// Module: MetaColumn
//
// Definition of the MetaColumn class.
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Data_MetaColumn_INCLUDED
#define Data_MetaColumn_INCLUDED
#include "Poco/Data/Data.h"
#include <cstddef>
namespace Poco {
namespace Data {
class Data_API MetaColumn
/// MetaColumn class contains column metadata information.
{
public:
enum ColumnDataType
{
FDT_BOOL,
FDT_INT8,
FDT_UINT8,
FDT_INT16,
FDT_UINT16,
FDT_INT32,
FDT_UINT32,
FDT_INT64,
FDT_UINT64,
FDT_FLOAT,
FDT_DOUBLE,
FDT_STRING,
FDT_WSTRING,
FDT_BLOB,
FDT_CLOB,
FDT_DATE,
FDT_TIME,
FDT_TIMESTAMP,
FDT_UNKNOWN
};
MetaColumn();
/// Creates the MetaColumn.
explicit MetaColumn(std::size_t position,
const std::string& name = "",
ColumnDataType type = FDT_UNKNOWN,
std::size_t length = 0,
std::size_t precision = 0,
bool nullable = false);
/// Creates the MetaColumn.
virtual ~MetaColumn();
/// Destroys the MetaColumn.
const std::string& name() const;
/// Returns column name.
std::size_t length() const;
/// Returns column maximum length.
std::size_t precision() const;
/// Returns column precision.
/// Valid for floating point fields only
/// (zero for other data types).
std::size_t position() const;
/// Returns column position.
ColumnDataType type() const;
/// Returns column type.
bool isNullable() const;
/// Returns true if column allows null values, false otherwise.
protected:
void setName(const std::string& name);
/// Sets the column name.
void setLength(std::size_t length);
/// Sets the column length.
void setPrecision(std::size_t precision);
/// Sets the column precision.
void setType(ColumnDataType type);
/// Sets the column data type.
void setNullable(bool nullable);
/// Sets the column nullability.
private:
std::string _name;
std::size_t _length;
std::size_t _precision;
std::size_t _position;
ColumnDataType _type;
bool _nullable;
};
///
/// inlines
///
inline const std::string& MetaColumn::name() const
{
return _name;
}
inline std::size_t MetaColumn::length() const
{
return _length;
}
inline std::size_t MetaColumn::precision() const
{
return _precision;
}
inline std::size_t MetaColumn::position() const
{
return _position;
}
inline MetaColumn::ColumnDataType MetaColumn::type() const
{
return _type;
}
inline bool MetaColumn::isNullable() const
{
return _nullable;
}
inline void MetaColumn::setName(const std::string& name)
{
_name = name;
}
inline void MetaColumn::setLength(std::size_t length)
{
_length = length;
}
inline void MetaColumn::setPrecision(std::size_t precision)
{
_precision = precision;
}
inline void MetaColumn::setType(ColumnDataType type)
{
_type = type;
}
inline void MetaColumn::setNullable(bool nullable)
{
_nullable = nullable;
}
} } // namespace Poco::Data
#endif // Data_MetaColumn_INCLUDED
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