ColumnStore::DataValue Class Reference

Implementation of a single data element. More...

#include <DataRecord.h>

Collaboration diagram for ColumnStore::DataValue:

Public Member Functions
	DataValue (std::any value)
template<typename T >
const T	as () const
	Extracts value by type. More...
void	operator= (std::any value)
std::any	get ()
	operator int ()
	operator float ()
	operator std::string ()

Private Attributes
std::any	value

Detailed Description

Implementation of a single data element.

The object can hold any data type. The actual data can be extracted by using as<T>() function where T is the type. Type information itself is not stored in the DataValue object and has to be inferred from DataRecordMetadata objects.

See also

DataRecord

DataRecordMetadata

Constructor & Destructor Documentation

DataValue()

ColumnStore::DataValue::DataValue ( std::any  value )

inline

Member Function Documentation

as()

template<typename T >

const T ColumnStore::DataValue::as ( ) const

inline

Extracts value by type.

Template Parameters

T	the type of data stored in the value

Returns

actual datavalue after casting

Here is the caller graph for this function:

get()

std::any ColumnStore::DataValue::get ( )

inline

operator float()

ColumnStore::DataValue::operator float ( )

inline

operator int()

ColumnStore::DataValue::operator int ( )

inline

operator std::string()

ColumnStore::DataValue::operator std::string ( )

inline

operator=()

void ColumnStore::DataValue::operator= ( std::any  value )

inline

Member Data Documentation

value

std::any ColumnStore::DataValue::value

private

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The documentation for this class was generated from the following file:

• src/interfaces/DataRecord.h