DUNE::Database::Connection Class Reference

Detailed Description

Database connection.

Public Member Functions
	Connection (const char *path, bool create=false)
	~Connection ()
void	execute (const char *sql_stmt, int *count=0)
void	beginTransaction (void)
void	commit (void)
void	rollback (void)
const char *	lastError (void)
DB_HANDLE *	handle (void)

Static Public Attributes
static const char *	c_memory_db

Constructor & Destructor Documentation

DUNE::Database::Connection::Connection	(	const char *	path,
		bool	create = false
	)

Constructor.

Parameters

path	database file
create	create database if it does not exist

References lastError(), and DUNE::Database::Statement.

DUNE::Database::Connection::~Connection

(

void

)

Destructor.

Member Function Documentation

void DUNE::Database::Connection::beginTransaction

(

void

)

Begin transaction.

References DUNE::Database::Statement::execute().

void DUNE::Database::Connection::commit

(

void

)

Commit (end) current transaction.

References DUNE::Database::Statement::execute().

void DUNE::Database::Connection::execute	(	const char *	sql_stmt,
		int *	count = 0
	)

Execute an SQL statement directly and optionally obtain the number of affected rows for (INSERT, UPDATE, and DELETE statements).

Parameters

sql_stmt	SQL statement
count	optional argument to get number of affected rows

DB_HANDLE* DUNE::Database::Connection::handle ( void  )

inline

Get internal database connection handle.

This is for use by other classes in the package.

Referenced by DUNE::Database::Statement::execute(), and DUNE::Database::Statement::Statement().

const char * DUNE::Database::Connection::lastError

(

void

)

Get description of last error.

Returns

description of last database error.

Referenced by Connection().

void DUNE::Database::Connection::rollback

(

void

)

Rollback current transaction.

References DUNE::Database::Statement::execute().

Member Data Documentation

const char * DUNE::Database::Connection::c_memory_db

static

Identifier to use for temporary, memory-only based databases.

Collaboration diagram for DUNE::Database::Connection: