mdbxc::BaseTable Class Reference

Base class providing common functionality for MDBX database access. More...

#include <BaseTable.hpp>

Inheritance diagram for mdbxc::BaseTable:

Public Member Functions
	BaseTable (std::shared_ptr< Connection > connection, std::string name, MDBX_db_flags_t flags)
	Construct the database table accessor.
virtual	~BaseTable ()=default
bool	is_connected () const
	Checks if the connection is currently active.
void	connect ()
	Connects to the MDBX environment if not already connected.
void	disconnect ()
	Disconnects the MDBX environment.
void	begin (TransactionMode mode=TransactionMode::WRITABLE)
	Begins a manual transaction (must be committed or rolled back later).
void	commit ()
	Commits the current manual transaction.
void	rollback ()
	Rolls back the current manual transaction.
template<typename Func>
void	execute_in_transaction (Func operation, TransactionMode mode=TransactionMode::WRITABLE)
	Executes an operation inside an automatic transaction.

Protected Member Functions
MDBX_txn *	thread_txn () const
	Returns the transaction bound to the current thread, if any.
MDBX_dbi	handle () const
	Gets the raw DBI handle.

Protected Attributes
std::shared_ptr< Connection >	m_connection
	Shared connection to MDBX environment.
MDBX_dbi	m_dbi {}
	DBI handle for the opened table.

Detailed Description

Base class providing common functionality for MDBX database access.

Opens or creates a table (DBI handle) and offers basic transaction management. Not thread-safe for simultaneous operations on the same instance.

Definition at line 16 of file BaseTable.hpp.

Constructor & Destructor Documentation

BaseTable()

mdbxc::BaseTable::BaseTable ( std::shared_ptr< Connection > connection, std::string name, MDBX_db_flags_t flags )

inlineexplicit

Construct the database table accessor.

Parameters

connection	Shared MDBX connection.
name	Name of the table (used as DBI name).
flags	DBI flags (e.g., MDBX_CREATE).

Definition at line 22 of file BaseTable.hpp.

~BaseTable()

virtual mdbxc::BaseTable::~BaseTable ( )

virtualdefault

Member Function Documentation

begin()

void mdbxc::BaseTable::begin ( TransactionMode mode = TransactionMode::WRITABLE )

inline

Begins a manual transaction (must be committed or rolled back later).

Parameters

mode	The transaction mode (default: WRITABLE).

Exceptions

MdbxException

if the transaction is already started or if beginning fails.

Definition at line 54 of file BaseTable.hpp.

commit()

void mdbxc::BaseTable::commit ( )

inline

Commits the current manual transaction.

Exceptions

MdbxException

if no transaction is active or commit/reset fails.

Definition at line 60 of file BaseTable.hpp.

connect()

void mdbxc::BaseTable::connect ( )

inline

Connects to the MDBX environment if not already connected.

Definition at line 42 of file BaseTable.hpp.

disconnect()

void mdbxc::BaseTable::disconnect ( )

inline

Disconnects the MDBX environment.

Definition at line 47 of file BaseTable.hpp.

execute_in_transaction()

template<typename Func>

void mdbxc::BaseTable::execute_in_transaction ( Func operation, TransactionMode mode = TransactionMode::WRITABLE )

inline

Executes an operation inside an automatic transaction.

Parameters

operation	The function to execute.
mode	The transaction mode (default: WRITABLE).

Exceptions

MdbxException

if an error occurs during execution.

Definition at line 75 of file BaseTable.hpp.

handle()

MDBX_dbi mdbxc::BaseTable::handle ( ) const

inlineprotected

Gets the raw DBI handle.

Definition at line 99 of file BaseTable.hpp.

is_connected()

bool mdbxc::BaseTable::is_connected ( ) const

inline

Checks if the connection is currently active.

Definition at line 37 of file BaseTable.hpp.

rollback()

void mdbxc::BaseTable::rollback ( )

inline

Rolls back the current manual transaction.

Exceptions

MdbxException

if no transaction is active or rollback/reset fails.

Definition at line 66 of file BaseTable.hpp.

thread_txn()

MDBX_txn * mdbxc::BaseTable::thread_txn ( ) const

inlineprotected

Returns the transaction bound to the current thread, if any.

Returns

Pointer to the MDBX transaction or nullptr.

Definition at line 94 of file BaseTable.hpp.

Member Data Documentation

m_connection

std::shared_ptr<Connection> mdbxc::BaseTable::m_connection

protected

Shared connection to MDBX environment.

Definition at line 89 of file BaseTable.hpp.

m_dbi

MDBX_dbi mdbxc::BaseTable::m_dbi {}

protected

DBI handle for the opened table.

Definition at line 90 of file BaseTable.hpp.

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

• include/mdbx_containers/detail/BaseTable.hpp