pqxx::tablereader Class Reference

#include <tablereader.hxx>

Inheritance diagram for pqxx::tablereader:

Public Member Functions
	tablereader (transaction_base &, const std::string &Name, const std::string &Null=std::string{})
template<typename ITER >
	tablereader (transaction_base &, const std::string &Name, ITER begincolumns, ITER endcolumns)
template<typename ITER >
	tablereader (transaction_base &, const std::string &Name, ITER begincolumns, ITER endcolumns, const std::string &Null)
	~tablereader () noexcept
template<typename TUPLE >
tablereader &	operator>> (TUPLE &)
	operator bool () const noexcept
bool	operator! () const noexcept
bool	get_raw_line (std::string &Line)
template<typename TUPLE >
void	tokenize (std::string, TUPLE &) const
virtual void	complete () override
Public Member Functions inherited from pqxx::tablestream
	tablestream (transaction_base &Trans, const std::string &Null=std::string{})
virtual	~tablestream () noexcept=0
Public Member Functions inherited from pqxx::internal::transactionfocus
	transactionfocus (transaction_base &t)
	transactionfocus ()=delete
	transactionfocus (const transactionfocus &)=delete
transactionfocus &	operator= (const transactionfocus &)=delete
Public Member Functions inherited from pqxx::internal::namedclass
	namedclass (const std::string &Classname)
	namedclass (const std::string &Classname, const std::string &Name)
const std::string &	name () const noexcept
	Object name, or the empty string if no name was given. More...
const std::string &	classname () const noexcept
	Class name. More...
std::string	description () const
	Combination of class name and object name; or just class name. More...

Additional Inherited Members
Protected Member Functions inherited from pqxx::tablestream
const std::string &	NullStr () const
bool	is_finished () const noexcept
void	base_close ()
Protected Member Functions inherited from pqxx::internal::transactionfocus
void	register_me ()
void	unregister_me () noexcept
void	reg_pending_error (const std::string &) noexcept
bool	registered () const noexcept
Static Protected Member Functions inherited from pqxx::tablestream
template<typename ITER >
static std::string	columnlist (ITER colbegin, ITER colend)
Protected Attributes inherited from pqxx::internal::transactionfocus
transaction_base &	m_trans

Detailed Description

Deprecated:

Use stream_from instead.

Efficiently pull data directly out of a table.

Warning

This class does not work reliably with multibyte encodings. Using it with some multi-byte encodings may pose a security risk.

Constructor & Destructor Documentation

tablereader() [1/3]

pqxx::tablereader::tablereader	(	transaction_base &	T,
		const std::string &	Name,
		const std::string &	Null = std::string{}
	)

References pqxx::internal::transactionfocus::register_me().

tablereader() [2/3]

template<typename ITER >

pqxx::tablereader::tablereader	(	transaction_base &	T,
		const std::string &	Name,
		ITER	begincolumns,
		ITER	endcolumns
	)

References pqxx::tablestream::columnlist().

tablereader() [3/3]

template<typename ITER >

pqxx::tablereader::tablereader	(	transaction_base &	T,
		const std::string &	Name,
		ITER	begincolumns,
		ITER	endcolumns,
		const std::string &	Null
	)

References pqxx::tablestream::columnlist().

~tablereader()

pqxx::tablereader::~tablereader ( )

noexcept

References pqxx::internal::transactionfocus::reg_pending_error().

Member Function Documentation

complete()

void pqxx::tablereader::complete ( )

overridevirtual

Implements pqxx::tablestream.

References pqxx::tablestream::base_close(), pqxx::internal::digit_to_number(), get_raw_line(), pqxx::tablestream::is_finished(), pqxx::tablestream::NullStr(), and pqxx::internal::transactionfocus::reg_pending_error().

get_raw_line()

bool pqxx::tablereader::get_raw_line

(

std::string &

Line

)

References pqxx::internal::transactionfocus::m_trans.

Referenced by complete(), pqxx::tablewriter::operator<<(), and operator>>().

operator bool()

pqxx::tablereader::operator bool ( ) const

noexcept

operator!()

bool pqxx::tablereader::operator! ( ) const

noexcept

operator>>()

template<typename TUPLE >

tablereader & pqxx::tablereader::operator>>

(

TUPLE &

T

)

References get_raw_line(), and tokenize().

tokenize()

template<typename TUPLE >

void pqxx::tablereader::tokenize	(	std::string	Line,
		TUPLE &	T
	)		const

Referenced by operator>>().

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

• tablereader.hxx
• tablereader.cxx