<lmdb++.h> - C++11 wrapper for LMDB. More...

Classes
class	bad_dbi_error
	Exception class for `MDB_BAD_DBI` errors. More...

class	corrupted_error
	Exception class for `MDB_CORRUPTED` errors. More...

class	cursor
	Resource class for `MDB_cursor*` handles. More...

class	dbi
	Resource class for `MDB_dbi` handles. More...

class	env
	Resource class for `MDB_env*` handles. More...

class	error
	Base class for LMDB exception conditions. More...

class	fatal_error
	Base class for fatal error conditions. More...

class	key_exist_error
	Exception class for `MDB_KEYEXIST` errors. More...

class	logic_error
	Base class for logic error conditions. More...

class	map_full_error
	Exception class for `MDB_MAP_FULL` errors. More...

class	not_found_error
	Exception class for `MDB_NOTFOUND` errors. More...

class	panic_error
	Exception class for `MDB_PANIC` errors. More...

class	runtime_error
	Base class for runtime error conditions. More...

class	txn
	Resource class for `MDB_txn*` handles. More...

class	val
	Wrapper class for `MDB_val` structures. More...

class	version_mismatch_error
	Exception class for `MDB_VERSION_MISMATCH` errors. More...

Typedefs
using	mode = mdb_mode_t

Functions
static void	env_create (MDB_env **env)

static void	env_open (MDB_env env, const char path, unsigned int flags, mode mode)

static void	env_copy (MDB_env env, const char path, unsigned int flags)

static void	env_copy_fd (MDB_env *env, mdb_filehandle_t fd, unsigned int flags)

static void	env_stat (MDB_env env, MDB_stat stat)

static void	env_info (MDB_env env, MDB_envinfo stat)

static void	env_sync (MDB_env *env, bool force)

static void	env_close (MDB_env *env) noexcept

static void	env_set_flags (MDB_env *env, unsigned int flags, bool onoff)

static void	env_get_flags (MDB_env env, unsigned int flags)

static void	env_get_path (MDB_env env, const char *path)

static void	env_get_fd (MDB_env env, mdb_filehandle_t fd)

static void	env_set_mapsize (MDB_env *env, std::size_t size)

static void	env_set_max_readers (MDB_env *env, unsigned int count)

static void	env_get_max_readers (MDB_env env, unsigned int count)

static void	env_set_max_dbs (MDB_env *env, MDB_dbi count)

static unsigned int	env_get_max_keysize (MDB_env *env)

static void	env_set_userctx (MDB_env env, void ctx)

static void *	env_get_userctx (MDB_env *env)

static void	txn_begin (MDB_env env, MDB_txn parent, unsigned int flags, MDB_txn **txn)

static MDB_env *	txn_env (MDB_txn *const txn) noexcept

static void	txn_commit (MDB_txn *txn)

static void	txn_abort (MDB_txn *txn) noexcept

static void	txn_reset (MDB_txn *txn) noexcept

static void	txn_renew (MDB_txn *txn)

static void	dbi_open (MDB_txn txn, const char name, unsigned int flags, MDB_dbi *dbi)

static void	dbi_stat (MDB_txn txn, MDB_dbi dbi, MDB_stat stat)

static void	dbi_flags (MDB_txn txn, MDB_dbi dbi, unsigned int flags)

static void	dbi_close (MDB_env *env, MDB_dbi dbi) noexcept

static void	dbi_drop (MDB_txn *txn, MDB_dbi dbi, bool del)

static void	dbi_set_compare (MDB_txn txn, MDB_dbi dbi, MDB_cmp_func cmp)

static void	dbi_set_dupsort (MDB_txn txn, MDB_dbi dbi, MDB_cmp_func cmp)

static void	dbi_set_relfunc (MDB_txn txn, MDB_dbi dbi, MDB_rel_func rel)

static void	dbi_set_relctx (MDB_txn txn, MDB_dbi dbi, void ctx)

static bool	dbi_get (MDB_txn txn, MDB_dbi dbi, MDB_val key, MDB_val *data)

static bool	dbi_put (MDB_txn txn, MDB_dbi dbi, MDB_val key, MDB_val *data, unsigned int flags)

static bool	dbi_del (MDB_txn txn, MDB_dbi dbi, MDB_val key, MDB_val *data)

static void	cursor_open (MDB_txn txn, MDB_dbi dbi, MDB_cursor *cursor)

static void	cursor_close (MDB_cursor *cursor) noexcept

static void	cursor_renew (MDB_txn txn, MDB_cursor cursor)

static MDB_txn *	cursor_txn (MDB_cursor *cursor) noexcept

static MDB_dbi	cursor_dbi (MDB_cursor *cursor) noexcept

static bool	cursor_get (MDB_cursor cursor, MDB_val key, MDB_val *data, MDB_cursor_op op)

static void	cursor_put (MDB_cursor cursor, MDB_val key, MDB_val *data, unsigned int flags)

static void	cursor_del (MDB_cursor *cursor, unsigned int flags)

static void	cursor_count (MDB_cursor *cursor, std::size_t &count)

Detailed Description

<lmdb++.h> - C++11 wrapper for LMDB.

Author: Arto Bendiken arto@.nosp@m.bend.nosp@m.iken..nosp@m.net

See also: https://sourceforge.net/projects/lmdbxx/

Typedef Documentation

using lmdb::mode = typedef mdb_mode_t

Function Documentation

static void lmdb::cursor_close ( MDB_cursor * cursor )

inlinestaticnoexcept

See also: http://symas.com/mdb/doc/group__mdb.html#gad685f5d73c052715c7bd859cc4c05188

static void lmdb::cursor_count	(	MDB_cursor *	cursor,
		std::size_t &	count
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga4041fd1e1862c6b7d5f10590b86ffbe2

static MDB_dbi lmdb::cursor_dbi ( MDB_cursor * cursor )

inlinestaticnoexcept

See also: http://symas.com/mdb/doc/group__mdb.html#ga2f7092cf70ee816fb3d2c3267a732372

static void lmdb::cursor_del	(	MDB_cursor *	cursor,
		unsigned int	flags = `0`
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga26a52d3efcfd72e5bf6bd6960bf75f95

static bool lmdb::cursor_get	(	MDB_cursor *	cursor,
		MDB_val *	key,
		MDB_val *	data,
		MDB_cursor_op	op
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga48df35fb102536b32dfbb801a47b4cb0

static void lmdb::cursor_open	(	MDB_txn *	txn,
		MDB_dbi	dbi,
		MDB_cursor **	cursor
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga9ff5d7bd42557fd5ee235dc1d62613aa

static void lmdb::cursor_put	(	MDB_cursor *	cursor,
		MDB_val *	key,
		MDB_val *	data,
		unsigned int	flags = `0`
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga1f83ccb40011837ff37cc32be01ad91e

static void lmdb::cursor_renew	(	MDB_txn *	txn,
		MDB_cursor *	cursor
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#gac8b57befb68793070c85ea813df481af

static MDB_txn * lmdb::cursor_txn ( MDB_cursor * cursor )

inlinestaticnoexcept

See also: http://symas.com/mdb/doc/group__mdb.html#ga7bf0d458f7f36b5232fcb368ebda79e0

static void lmdb::dbi_close	(	MDB_env *	env,
		MDB_dbi	dbi
	)

inlinestaticnoexcept

See also: http://symas.com/mdb/doc/group__mdb.html#ga52dd98d0c542378370cd6b712ff961b5

static bool lmdb::dbi_del	(	MDB_txn *	txn,
		MDB_dbi	dbi,
		MDB_val *	key,
		MDB_val *	data = `nullptr`
	)

inlinestatic

Return values

true	if the key/value pair was removed
false	if the key wasn't found

See also: http://symas.com/mdb/doc/group__mdb.html#gab8182f9360ea69ac0afd4a4eaab1ddb0

static void lmdb::dbi_drop	(	MDB_txn *	txn,
		MDB_dbi	dbi,
		bool	del = `false`
	)

inlinestatic

See also: http://symas.com/mdb/doc/group__mdb.html#gab966fab3840fc54a6571dfb32b00f2db

static void lmdb::dbi_flags	(	MDB_txn *	txn,
		MDB_dbi	dbi,
		unsigned int *	flags
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga95ba4cb721035478a8705e57b91ae4d4

static bool lmdb::dbi_get	(	MDB_txn *	txn,
		MDB_dbi	dbi,
		MDB_val *	key,
		MDB_val *	data
	)

inlinestatic

Return values

true	if the key/value pair was retrieved
false	if the key wasn't found

See also: http://symas.com/mdb/doc/group__mdb.html#ga8bf10cd91d3f3a83a34d04ce6b07992d

static void lmdb::dbi_open	(	MDB_txn *	txn,
		const char *	name,
		unsigned int	flags,
		MDB_dbi *	dbi
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#gac08cad5b096925642ca359a6d6f0562a

static bool lmdb::dbi_put	(	MDB_txn *	txn,
		MDB_dbi	dbi,
		MDB_val *	key,
		MDB_val *	data,
		unsigned int	flags = `0`
	)

inlinestatic

Return values

true	if the key/value pair was inserted
false	if the key already existed

See also: http://symas.com/mdb/doc/group__mdb.html#ga4fa8573d9236d54687c61827ebf8cac0

static void lmdb::dbi_set_compare	(	MDB_txn *	txn,
		MDB_dbi	dbi,
		MDB_cmp_func *	cmp = `nullptr`
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga68e47ffcf72eceec553c72b1784ee0fe

static void lmdb::dbi_set_dupsort	(	MDB_txn *	txn,
		MDB_dbi	dbi,
		MDB_cmp_func *	cmp = `nullptr`
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#gacef4ec3dab0bbd9bc978b73c19c879ae

static void lmdb::dbi_set_relctx	(	MDB_txn *	txn,
		MDB_dbi	dbi,
		void *	ctx
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga7c34246308cee01724a1839a8f5cc594

static void lmdb::dbi_set_relfunc	(	MDB_txn *	txn,
		MDB_dbi	dbi,
		MDB_rel_func *	rel
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga697d82c7afe79f142207ad5adcdebfeb

static void lmdb::dbi_stat	(	MDB_txn *	txn,
		MDB_dbi	dbi,
		MDB_stat *	stat
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#gae6c1069febe94299769dbdd032fadef6

static void lmdb::env_close ( MDB_env * env )

inlinestaticnoexcept

See also: http://symas.com/mdb/doc/group__mdb.html#ga4366c43ada8874588b6a62fbda2d1e95

static void lmdb::env_copy	(	MDB_env *	env,
		const char *	path,
		unsigned int	flags = `0`
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga3bf50d7793b36aaddf6b481a44e24244; http://symas.com/mdb/doc/group__mdb.html#ga5d51d6130325f7353db0955dbedbc378

static void lmdb::env_copy_fd	(	MDB_env *	env,
		mdb_filehandle_t	fd,
		unsigned int	flags = `0`
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga5040d0de1f14000fa01fc0b522ff1f86; http://symas.com/mdb/doc/group__mdb.html#ga470b0bcc64ac417de5de5930f20b1a28

static void lmdb::env_create ( MDB_env ** env )

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#gaad6be3d8dcd4ea01f8df436f41d158d4

static void lmdb::env_get_fd	(	MDB_env *	env,
		mdb_filehandle_t *	fd
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#gaf1570e7c0e5a5d860fef1032cec7d5f2

static void lmdb::env_get_flags	(	MDB_env *	env,
		unsigned int *	flags
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga2733aefc6f50beb49dd0c6eb19b067d9

static unsigned int lmdb::env_get_max_keysize ( MDB_env * env )

inlinestatic

See also: http://symas.com/mdb/doc/group__mdb.html#gaaf0be004f33828bf2fb09d77eb3cef94

static void lmdb::env_get_max_readers	(	MDB_env *	env,
		unsigned int *	count
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga70e143cf11760d869f754c9c9956e6cc

static void lmdb::env_get_path	(	MDB_env *	env,
		const char **	path
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#gac699fdd8c4f8013577cb933fb6a757fe

static void * lmdb::env_get_userctx ( MDB_env * env )

inlinestatic

Since: 0.9.11 (2014/01/15)

See also: http://symas.com/mdb/doc/group__mdb.html#ga45df6a4fb150cda2316b5ae224ba52f1

static void lmdb::env_info	(	MDB_env *	env,
		MDB_envinfo *	stat
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga18769362c7e7d6cf91889a028a5c5947

static void lmdb::env_open	(	MDB_env *	env,
		const char *	path,
		unsigned int	flags,
		mode	mode
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga32a193c6bf4d7d5c5d579e71f22e9340

static void lmdb::env_set_flags	(	MDB_env *	env,
		unsigned int	flags,
		bool	onoff = `true`
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga83f66cf02bfd42119451e9468dc58445

static void lmdb::env_set_mapsize	(	MDB_env *	env,
		std::size_t	size
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#gaa2506ec8dab3d969b0e609cd82e619e5

static void lmdb::env_set_max_dbs	(	MDB_env *	env,
		MDB_dbi	count
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#gaa2fc2f1f37cb1115e733b62cab2fcdbc

static void lmdb::env_set_max_readers	(	MDB_env *	env,
		unsigned int	count
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#gae687966c24b790630be2a41573fe40e2

static void lmdb::env_set_userctx	(	MDB_env *	env,
		void *	ctx
	)

inlinestatic

Exceptions

lmdb::error on failure

Since: 0.9.11 (2014/01/15)

See also: http://symas.com/mdb/doc/group__mdb.html#gaf2fe09eb9c96eeb915a76bf713eecc46

static void lmdb::env_stat	(	MDB_env *	env,
		MDB_stat *	stat
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#gaf881dca452050efbd434cd16e4bae255

static void lmdb::env_sync	(	MDB_env *	env,
		bool	force = `true`
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga85e61f05aa68b520cc6c3b981dba5037

static void lmdb::txn_abort ( MDB_txn * txn )

inlinestaticnoexcept

See also: http://symas.com/mdb/doc/group__mdb.html#ga73a5938ae4c3239ee11efa07eb22b882

static void lmdb::txn_begin	(	MDB_env *	env,
		MDB_txn *	parent,
		unsigned int	flags,
		MDB_txn **	txn
	)

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#gad7ea55da06b77513609efebd44b26920

static void lmdb::txn_commit ( MDB_txn * txn )

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga846fbd6f46105617ac9f4d76476f6597

static MDB_env * lmdb::txn_env ( MDB_txn *const txn )

inlinestaticnoexcept

See also: http://symas.com/mdb/doc/group__mdb.html#gaeb17735b8aaa2938a78a45cab85c06a0

static void lmdb::txn_renew ( MDB_txn * txn )

inlinestatic

Exceptions

lmdb::error on failure

See also: http://symas.com/mdb/doc/group__mdb.html#ga6c6f917959517ede1c504cf7c720ce6d

static void lmdb::txn_reset ( MDB_txn * txn )

inlinestaticnoexcept

See also: http://symas.com/mdb/doc/group__mdb.html#ga02b06706f8a66249769503c4e88c56cd

Classes

Typedefs

Functions

Detailed Description

Typedef Documentation

Function Documentation