MdbDbi

Resource class for MDB_dbi handles.

@note Instances of this class are movable, but not copyable. @see http://symas.com/mdb/doc/group__mdb.html#gadbe68a06c448dfb62da16443d251a78b

class MdbDbi {

MDB_dbi _handle;

uint default_flags;

uint default_put_flags;

static MdbDbi open(MDB_txn* txn, char* name, uint flags);

void close(MdbEnv env);

this(MDB_dbi handle);

MDB_dbi handle();

MDB_stat stat(MDB_txn* txn);

uint flags(MDB_txn* txn);

size_t size(MDB_txn* txn);

void drop(MDB_txn* txn, bool del);

MdbDbi set_compare(MDB_txn* txn, MDB_cmp_func* cmp);

bool get(MDB_txn* txn, MdbVal key, MdbVal data);

bool get(MDB_txn* txn, K key);

bool get(MDB_txn* txn, K key, V val);

bool get(MDB_txn* txn, char* key, V val);

bool put(MDB_txn* txn, MdbVal key, MdbVal data, uint flags);

bool put(MDB_txn* txn, K key, uint flags);

bool put(MDB_txn* txn, K key, V val, uint flags);

bool put(MDB_txn* txn, char* key, V val, uint flags);

bool put(MDB_txn* txn, char* key, char* val, uint flags);

bool del(MDB_txn* txn, MdbVal key);

bool del(MDB_txn* txn, K key);

}

Constructors

this this(MDB_dbi handle): Constructor. Param: handle = a valid MDB_dbi handle

Destructor

~this ~this(): Destructor.

Members

Functions

close void close(MdbEnv env): Close a database handle Param: env = an MdbEnv
del bool del(MDB_txn* txn, K key): Removes a key/value pair from this database.
del bool del(MDB_txn* txn, MdbVal key): Removes a key/value pair from this database.
drop void drop(MDB_txn* txn, bool del): @param txn a transaction handle @param del @throws lmdb_oo.MbdError on failure
flags uint flags(MDB_txn* txn): Retrieves the flags for this database handle.
get bool get(MDB_txn* txn, MdbVal key, MdbVal data): Retrieves a key/value pair from this database.
get bool get(MDB_txn* txn, K key): Retrieves a key from this database.
get bool get(MDB_txn* txn, K key, V val): Retrieves a key/value pair from this database.
get bool get(MDB_txn* txn, char* key, V val): Retrieves a key/value pair from this database.
handle MDB_dbi handle(): Returns the underlying MDB_dbi handle.
put bool put(MDB_txn* txn, MdbVal key, MdbVal data, uint flags): Stores a key/value pair into this database.
put bool put(MDB_txn* txn, K key, uint flags): Stores a key into this database.
put bool put(MDB_txn* txn, K key, V val, uint flags): Stores a key/value pair into this database.
put bool put(MDB_txn* txn, char* key, V val, uint flags): Stores a key/value pair into this database.
put bool put(MDB_txn* txn, char* key, char* val, uint flags): Stores a key/value pair into this database.
set_compare MdbDbi set_compare(MDB_txn* txn, MDB_cmp_func* cmp): Sets a custom key comparison function for this database.
size size_t size(MDB_txn* txn): Returns the number of records in this database.
stat MDB_stat stat(MDB_txn* txn): Returns statistics for this database.

Static functions

open MdbDbi open(MDB_txn* txn, char* name, uint flags): Opens a database handle.

Static variables

default_flags uint default_flags;: < Default flags
default_put_flags uint default_put_flags;: < Default flags

Variables

_handle MDB_dbi _handle;: Undocumented in source.

Meta

Source

See Implementation