Database Class Reference

#include <Database.hpp>

Collaboration diagram for Database:

Public Member Functions
	Database ()=delete

Static Public Member Functions
static auto	connect (const std::string &db_name, const std::string &user, const std::string &password, const std::string &host, const std::string &port) -> bool
	connect to a postgres database
static auto	connect (const std::string &connection_string) -> bool
	connect to a postgres database
static auto	hasConnection () noexcept -> bool
	checks if the database has an active connection
static auto	reconnect () noexcept -> void
	reconnects to the database server if the connection was lost
static auto	disconnect () noexcept -> void
	disconnect from a postgres database
static auto	getConnection () noexcept -> pqxx::connection *
	returns the database connection. Reconnects if the Database has no active connection

Constructor & Destructor Documentation

Database()

Database::Database ( )

delete

Member Function Documentation

connect() [1/2]

bool Database::connect ( const std::string & connection_string ) -> bool

staticnodiscard

connect to a postgres database

Parameters

connection_string

connection string used to connect to the database

Returns

returns a bool if the connection was successful

connect() [2/2]

bool Database::connect ( const std::string & db_name, const std::string & user, const std::string & password, const std::string & host, const std::string & port ) -> bool

staticnodiscard

connect to a postgres database

Parameters

db_name	name of the database
user	database user that will be used for the log in
password	the password that will be used to log in
host	the ip or domain of the database server
port	the port the database service is listening on

Returns

returns a bool if the connection was successful

disconnect()

void Database::disconnect ( ) -> void

staticnoexcept

disconnect from a postgres database

Parameters

connection_string

connection string used to connect to the database

Returns

returns a bool if the connection was successful

getConnection()

pqxx::connection * Database::getConnection ( ) -> pqxx::connection*

staticnoexcept

returns the database connection. Reconnects if the Database has no active connection

Returns

the active database connection as pqxx::connection pointer

hasConnection()

bool Database::hasConnection ( ) -> bool

staticnoexcept

checks if the database has an active connection

Returns

returns true if the database is connected, false otherwise

reconnect()

void Database::reconnect ( ) -> void

staticnoexcept

reconnects to the database server if the connection was lost

Returns

doesn't return anything

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

• src/bot_library/bot/core/database/include/Database.hpp
• src/bot_library/bot/core/database/Database.cpp