pqxx::connect_async Class Reference

Asynchronous connection policy; connects "in the background". More...

#include <connection.hxx>

Inheritance diagram for pqxx::connect_async:

Public Member Functions
	connect_async (const std::string &opts)
virtual handle	do_startconnect (handle) override
virtual handle	do_completeconnect (handle) override
virtual handle	do_dropconnect (handle) noexcept override
virtual bool	is_ready (handle) const noexcept override
Public Member Functions inherited from pqxx::connectionpolicy
	connectionpolicy (const std::string &opts)
virtual	~connectionpolicy () noexcept
const std::string &	options () const noexcept
virtual handle	do_disconnect (handle orig) noexcept

Additional Inherited Members
Public Types inherited from pqxx::connectionpolicy
using	handle = internal::pq::PGconn *
Protected Member Functions inherited from pqxx::connectionpolicy
handle	normalconnect (handle)

Detailed Description

Asynchronous connection policy; connects "in the background".

Connection is initiated immediately, but completion is deferred until the connection is actually needed.

This may help performance by allowing the client to do useful work while waiting for an answer from the server.

Constructor & Destructor Documentation

connect_async()

pqxx::connect_async::connect_async ( const std::string &  opts )

explicit

The parsing of options is the same as in libpq's PQConnect See: https://www.postgresql.org/docs/10/static/libpq-connect.html

Member Function Documentation

do_completeconnect()

pqxx::connectionpolicy::handle pqxx::connect_async::do_completeconnect ( handle  orig )

overridevirtual

Reimplemented from pqxx::connectionpolicy.

References pqxx::connectionpolicy::do_disconnect(), do_startconnect(), pqxx::internal::wait_read(), and pqxx::internal::wait_write().

do_dropconnect()

pqxx::connectionpolicy::handle pqxx::connect_async::do_dropconnect ( handle  orig )

overridevirtualnoexcept

Reimplemented from pqxx::connectionpolicy.

Referenced by do_startconnect().

do_startconnect()

pqxx::connectionpolicy::handle pqxx::connect_async::do_startconnect ( handle  orig )

overridevirtual

Reimplemented from pqxx::connectionpolicy.

References do_dropconnect(), and pqxx::connectionpolicy::options().

Referenced by do_completeconnect().

is_ready()

bool pqxx::connect_async::is_ready ( handle  h ) const

overridevirtualnoexcept

Reimplemented from pqxx::connectionpolicy.

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

• connection.hxx
• connection.cxx