pqxx::stream_from Class Reference

Efficiently pull data directly out of a table. More...

#include <stream_from.hxx>

Inheritance diagram for pqxx::stream_from:

Public Member Functions
	stream_from (transaction_base &, const std::string &table_name)
template<typename Columns >
	stream_from (transaction_base &, const std::string &table_name, const Columns &columns)
template<typename Iter >
	stream_from (transaction_base &, const std::string &table_name, Iter columns_begin, Iter columns_end)
	~stream_from () noexcept
void	complete () override
bool	get_raw_line (std::string &)
template<typename Tuple >
stream_from &	operator>> (Tuple &)
Public Member Functions inherited from pqxx::stream_base
	stream_base (transaction_base &)
virtual	~stream_base () noexcept
	operator bool () const noexcept
bool	operator! () const noexcept
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::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::stream_base
template<typename C >
static std::string	columnlist (const C &)
template<typename I >
static std::string	columnlist (I begin, I end)
Protected Attributes inherited from pqxx::stream_base
bool	m_finished
Protected Attributes inherited from pqxx::internal::transactionfocus
transaction_base &	m_trans

Detailed Description

Efficiently pull data directly out of a table.

Constructor & Destructor Documentation

stream_from() [1/3]

pqxx::stream_from::stream_from	(	transaction_base &	tb,
		const std::string &	table_name
	)

stream_from() [2/3]

template<typename Columns >

pqxx::stream_from::stream_from	(	transaction_base &	tb,
		const std::string &	table_name,
		const Columns &	columns
	)

stream_from() [3/3]

template<typename Iter >

pqxx::stream_from::stream_from	(	transaction_base &	tb,
		const std::string &	table_name,
		Iter	columns_begin,
		Iter	columns_end
	)

References pqxx::stream_base::columnlist().

~stream_from()

pqxx::stream_from::~stream_from ( )

noexcept

References complete(), and pqxx::internal::transactionfocus::reg_pending_error().

Member Function Documentation

complete()

void pqxx::stream_from::complete ( )

overridevirtual

Implements pqxx::stream_base.

Referenced by ~stream_from().

get_raw_line()

bool pqxx::stream_from::get_raw_line

(

std::string &

line

)

References pqxx::stream_base::close(), pqxx::transaction_base::conn(), pqxx::internal::enc_group(), pqxx::connection_base::encoding_id(), pqxx::internal::get_glyph_scanner(), pqxx::stream_base::m_finished, pqxx::internal::transactionfocus::m_trans, pqxx::internal::transactionfocus::reg_pending_error(), and pqxx::internal::transactionfocus::register_me().

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

operator>>()

template<typename Tuple >

stream_from & pqxx::stream_from::operator>>

(

Tuple &

t

)

References get_raw_line().

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

• stream_from.hxx
• stream_from.cxx