[ViewVC] Diff of: cvs/BDB/BDB.pm

Comparing BDB/BDB.pm (file contents):
Revision 1.22 by root, Mon Dec 10 03:57:27 2007 UTC vs.
Revision 1.48 by root, Tue Jul 29 03:33:16 2008 UTC

…		…
24	db_put $db, undef, "key", "data", 0, sub {	24	db_put $db, undef, "key", "data", 0, sub {
25	db_del $db, undef, "key";	25	db_del $db, undef, "key";
26	};	26	};
27	db_sync $db;	27	db_sync $db;
28		28
29	# automatic result processing with AnyEvent:	29	# when you also use Coro, management is easy:
30	our $FH; open $FH, "<&=" . BDB::poll_fileno;	30	use Coro::BDB;
31	our $WATCHER = AnyEvent->io (fh => $FH, poll => 'r', cb => \&BDB::poll_cb);	31
		32	# automatic event loop intergration with AnyEvent:
		33	use AnyEvent::BDB;
32		34
33	# automatic result processing with EV:	35	# automatic result processing with EV:
34	my $WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;	36	my $WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
35		37
36	# with Glib:	38	# with Glib:
…		…
106	no warnings;	108	no warnings;
107	use strict 'vars';	109	use strict 'vars';
108		110
109	use base 'Exporter';	111	use base 'Exporter';
110		112
		113	our $VERSION;
		114
111	BEGIN {	115	BEGIN {
112	our $VERSION = '1.3';	116	$VERSION = '1.71';
113		117
114	our @BDB_REQ = qw(	118	our @BDB_REQ = qw(
115	db_env_open db_env_close db_env_txn_checkpoint db_env_lock_detect	119	db_env_open db_env_close db_env_txn_checkpoint db_env_lock_detect
116	db_env_memp_sync db_env_memp_trickle	120	db_env_memp_sync db_env_memp_trickle db_env_dbrename db_env_dbremove
117	db_open db_close db_compact db_sync db_put db_get db_pget db_del db_key_range	121	db_open db_close db_compact db_sync db_upgrade
		122	db_put db_exists db_get db_pget db_del db_key_range
118	db_txn_commit db_txn_abort db_txn_finish	123	db_txn_commit db_txn_abort db_txn_finish
119	db_c_close db_c_count db_c_put db_c_get db_c_pget db_c_del	124	db_c_close db_c_count db_c_put db_c_get db_c_pget db_c_del
120	db_sequence_open db_sequence_close	125	db_sequence_open db_sequence_close
121	db_sequence_get db_sequence_remove	126	db_sequence_get db_sequence_remove
122	);	127	);
…		…
130		135
131	require XSLoader;	136	require XSLoader;
132	XSLoader::load ("BDB", $VERSION);	137	XSLoader::load ("BDB", $VERSION);
133	}	138	}
134		139
		140	=head2 WIN32 FILENAMES/DATABASE NAME MESS
		141
		142	Perl on Win32 supports only ASCII filenames (the reason is that it abuses
		143	an internal flag to store wether a filename is Unicode or ANSI, but that
		144	flag is used for somethign else in the perl core, so there is no way to
		145	detect wether a filename is ANSI or Unicode-encoded). The BDB module
		146	tries to work around this issue by assuming that the filename is an ANSI
		147	filename and BDB was built for unicode support.
		148
135	=head2 BERKELEYDB FUNCTIONS	149	=head2 BERKELEYDB FUNCTIONS
136		150
137	All of these are functions. The create functions simply return a new	151	All of these are functions. The create functions simply return a new
138	object and never block. All the remaining functions all take an optional	152	object and never block. All the remaining functions take an optional
139	callback as last argument that gets passed the return value. If it is	153	callback as last argument. If it is missing, then the function will be
140	missing, then the function will be executed synchronously, and the return	154	executed synchronously. In both cases, C<$!> will reflect the return value
141	value is returned as normally.	155	of the function.
142		156
143	BDB functions that cannot block (mostly functions that manipulate	157	BDB functions that cannot block (mostly functions that manipulate
144	settings) are method calls on the relevant objects, so the rule of thumb	158	settings) are method calls on the relevant objects, so the rule of thumb
145	is: if its a method, its not blocking, if its a function, it takes a	159	is: if it's a method, it's not blocking, if it's a function, it takes a
146	callback as last argument.	160	callback as last argument.
147		161
148	In the following, C<$int> signifies an integer return value,	162	In the following, C<$int> signifies an integer return value,
149	C<octetstring> is a "binary string" (i.e. a perl string with no character	163	C<bdb_filename> is a "filename" (octets on unix, madness on windows),
150	indices >255), C<U32> is an unsigned 32 bit integer, C<int> is some	164	C<U32> is an unsigned 32 bit integer, C<int> is some integer, C<NV> is a
151	integer, C<NV> is a floating point value.	165	floating point value.
152		166
153	The C<SV *> types are generic perl scalars (for input and output of data	167	Most C<SV *> types are generic perl scalars (for input and output of data
154	values), and the C<SV *callback> is the optional callback function to call	168	values).
155	when the request is completed.
156		169
157	The various C<DB_ENV> etc. arguments are handles return by	170	The various C<DB_ENV> etc. arguments are handles return by
158	C<db_env_create>, C<db_create>, C<txn_begin> and so on. If they have an	171	C<db_env_create>, C<db_create>, C<txn_begin> and so on. If they have an
159	appended C<_ornull> this means they are optional and you can pass C<undef>	172	appended C<_ornull> this means they are optional and you can pass C<undef>
160	for them, resulting a NULL pointer on the C level.	173	for them, resulting a NULL pointer on the C level.
161		174
		175	The C<SV *callback> is the optional callback function to call when the
		176	request is completed. This last callback argument is special: the callback
		177	is simply the last argument passed. If there are "optional" arguments
		178	before the callback they can be left out. The callback itself can be left
		179	out or specified as C<undef>, in which case the function will be executed
		180	synchronously.
		181
		182	For example, C<db_env_txn_checkpoint> usually is called with all integer
		183	arguments zero. These can be left out, so all of these specify a call
		184	to C<< DB_ENV->txn_checkpoint >>, to be executed asynchronously with a
		185	callback to be called:
		186
		187	db_env_txn_checkpoint $db_env, 0, 0, 0, sub { };
		188	db_env_txn_checkpoint $db_env, 0, 0, sub { };
		189	db_env_txn_checkpoint $db_env, sub { };
		190
		191	While these all specify a call to C<< DB_ENV->txn_checkpoint >> to be
		192	executed synchronously:
		193
		194	db_env_txn_checkpoint $db_env, 0, 0, 0, undef;
		195	db_env_txn_checkpoint $db_env, 0, 0, 0;
		196	db_env_txn_checkpoint $db_env, 0;
		197
162	=head3 BDB functions	198	=head3 BDB functions
163		199
164	Functions in the BDB namespace, exported by default:	200	Functions in the BDB namespace, exported by default:
165		201
166	$env = db_env_create (U32 env_flags = 0)	202	$env = db_env_create (U32 env_flags = 0)
167	flags: RPCCLIENT	203	flags: RPCCLIENT
168		204
169	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)	205	db_env_open (DB_ENV env, bdb_filename db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)
170	open_flags: INIT_CDB INIT_LOCK INIT_LOG INIT_MPOOL INIT_REP INIT_TXN RECOVER RECOVER_FATAL USE_ENVIRON USE_ENVIRON_ROOT CREATE LOCKDOWN PRIVATE REGISTER SYSTEM_MEM	206	open_flags: INIT_CDB INIT_LOCK INIT_LOG INIT_MPOOL INIT_REP INIT_TXN RECOVER RECOVER_FATAL USE_ENVIRON USE_ENVIRON_ROOT CREATE LOCKDOWN PRIVATE REGISTER SYSTEM_MEM
171	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)	207	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)
172	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = &PL_sv_undef)	208	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = &PL_sv_undef)
173	flags: FORCE	209	flags: FORCE
174	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = &PL_sv_undef)	210	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = &PL_sv_undef)
175	atype: LOCK_DEFAULT LOCK_EXPIRE LOCK_MAXLOCKS LOCK_MAXWRITE LOCK_MINLOCKS LOCK_MINWRITE LOCK_OLDEST LOCK_RANDOM LOCK_YOUNGEST	211	atype: LOCK_DEFAULT LOCK_EXPIRE LOCK_MAXLOCKS LOCK_MAXWRITE LOCK_MINLOCKS LOCK_MINWRITE LOCK_OLDEST LOCK_RANDOM LOCK_YOUNGEST
176	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = &PL_sv_undef)	212	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = &PL_sv_undef)
177	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = &PL_sv_undef)	213	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = &PL_sv_undef)
		214	db_env_dbremove (DB_ENV env, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = &PL_sv_undef)
		215	db_env_dbrename (DB_ENV env, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = &PL_sv_undef)
178		216
179	$db = db_create (DB_ENV *env = 0, U32 flags = 0)	217	$db = db_create (DB_ENV *env = 0, U32 flags = 0)
180	flags: XA_CREATE	218	flags: XA_CREATE
181		219
182	db_open (DB db, DB_TXN_ornull txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	220	db_open (DB db, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
183	flags: AUTO_COMMIT CREATE EXCL MULTIVERSION NOMMAP RDONLY READ_UNCOMMITTED THREAD TRUNCATE	221	flags: AUTO_COMMIT CREATE EXCL MULTIVERSION NOMMAP RDONLY READ_UNCOMMITTED THREAD TRUNCATE
184	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	222	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)
185	flags: DB_NOSYNC	223	flags: DB_NOSYNC
		224	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = &PL_sv_undef)
186	db_compact (DB db, DB_TXN_ornull txn = 0, SV start = 0, SV stop = 0, SV unused1 = 0, U32 flags = DB_FREE_SPACE, SV unused2 = 0, SV *callback = &PL_sv_undef)	225	db_compact (DB db, DB_TXN_ornull txn = 0, SV start = 0, SV stop = 0, SV unused1 = 0, U32 flags = DB_FREE_SPACE, SV unused2 = 0, SV *callback = &PL_sv_undef)
187	flags: FREELIST_ONLY FREE_SPACE	226	flags: FREELIST_ONLY FREE_SPACE
188	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	227	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)
189	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	228	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
190	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	229	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
191	flags: APPEND NODUPDATA NOOVERWRITE	230	flags: APPEND NODUPDATA NOOVERWRITE
		231	db_exists (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0) (v4.6)
192	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	232	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
193	flags: CONSUME CONSUME_WAIT GET_BOTH SET_RECNO MULTIPLE READ_COMMITTED READ_UNCOMMITTED RMW	233	flags: CONSUME CONSUME_WAIT GET_BOTH SET_RECNO MULTIPLE READ_COMMITTED READ_UNCOMMITTED RMW
194	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	234	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)
195	flags: CONSUME CONSUME_WAIT GET_BOTH SET_RECNO MULTIPLE READ_COMMITTED READ_UNCOMMITTED RMW	235	flags: CONSUME CONSUME_WAIT GET_BOTH SET_RECNO MULTIPLE READ_COMMITTED READ_UNCOMMITTED RMW
196	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	236	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)
…		…
263	$int = $env->set_data_dir (const char *dir)	303	$int = $env->set_data_dir (const char *dir)
264	$int = $env->set_tmp_dir (const char *dir)	304	$int = $env->set_tmp_dir (const char *dir)
265	$int = $env->set_lg_dir (const char *dir)	305	$int = $env->set_lg_dir (const char *dir)
266	$int = $env->set_shm_key (long shm_key)	306	$int = $env->set_shm_key (long shm_key)
267	$int = $env->set_cachesize (U32 gbytes, U32 bytes, int ncache = 0)	307	$int = $env->set_cachesize (U32 gbytes, U32 bytes, int ncache = 0)
268	$int = $env->set_flags (U32 flags, int onoff)	308	$int = $env->set_flags (U32 flags, int onoff = 1)
		309	$int = $env->log_set_config (U32 flags, int onoff = 1) (v4.7)
		310	$int = $env->set_intermediate_dir_mode (const char *modestring) (v4.7)
269	$env->set_errfile (FILE *errfile = 0)	311	$env->set_errfile (FILE *errfile = 0)
270	$env->set_msgfile (FILE *msgfile = 0)	312	$env->set_msgfile (FILE *msgfile = 0)
271	$int = $env->set_verbose (U32 which, int onoff = 1)	313	$int = $env->set_verbose (U32 which, int onoff = 1)
272	$int = $env->set_encrypt (const char *password, U32 flags = 0)	314	$int = $env->set_encrypt (const char *password, U32 flags = 0)
273	$int = $env->set_timeout (NV timeout_seconds, U32 flags = SET_TXN_TIMEOUT)	315	$int = $env->set_timeout (NV timeout_seconds, U32 flags = SET_TXN_TIMEOUT)
…		…
285	$int = $env->mutex_set_max (U32 max)	327	$int = $env->mutex_set_max (U32 max)
286	$int = $env->mutex_set_align (U32 align)	328	$int = $env->mutex_set_align (U32 align)
287		329
288	$txn = $env->txn_begin (DB_TXN_ornull *parent = 0, U32 flags = 0)	330	$txn = $env->txn_begin (DB_TXN_ornull *parent = 0, U32 flags = 0)
289	flags: READ_COMMITTED READ_UNCOMMITTED TXN_NOSYNC TXN_NOWAIT TXN_SNAPSHOT TXN_SYNC TXN_WAIT TXN_WRITE_NOSYNC	331	flags: READ_COMMITTED READ_UNCOMMITTED TXN_NOSYNC TXN_NOWAIT TXN_SNAPSHOT TXN_SYNC TXN_WAIT TXN_WRITE_NOSYNC
		332	$txn = $env->cdsgroup_begin; (v4.5)
290		333
291	=head4 Example:	334	=head4 Example:
292		335
293	use AnyEvent;	336	use AnyEvent;
294	use BDB;	337	use BDB;
…		…
386	DESTROY (DBC_ornull *dbc)	429	DESTROY (DBC_ornull *dbc)
387	CODE:	430	CODE:
388	if (dbc)	431	if (dbc)
389	dbc->c_close (dbc);	432	dbc->c_close (dbc);
390		433
		434	$int = $cursor->set_priority ($priority = PRIORITY_*) (v4.6)
		435
391	=head4 Example:	436	=head4 Example:
392		437
393	my $c = $db->cursor;	438	my $c = $db->cursor;
394		439
395	for (;;) {	440	for (;;) {
…		…
428		473
429	=head3 EVENT PROCESSING AND EVENT LOOP INTEGRATION	474	=head3 EVENT PROCESSING AND EVENT LOOP INTEGRATION
430		475
431	=over 4	476	=over 4
432		477
		478	=item $msg = BDB::strerror [$errno]
		479
		480	Returns the string corresponding to the given errno value. If no argument
		481	is given, use C<$!>.
		482
		483	Note that the BDB module also patches the C<$!> variable directly, so you
		484	should be able to get a bdb error string by simply stringifying C<$!>.
		485
433	=item $fileno = BDB::poll_fileno	486	=item $fileno = BDB::poll_fileno
434		487
435	Return the I<request result pipe file descriptor>. This filehandle must be	488	Return the I<request result pipe file descriptor>. This filehandle must be
436	polled for reading by some mechanism outside this module (e.g. Event or	489	polled for reading by some mechanism outside this module (e.g. Event or
437	select, see below or the SYNOPSIS). If the pipe becomes readable you have	490	select, see below or the SYNOPSIS). If the pipe becomes readable you have
…		…
513	BDB::poll_wait, BDB::poll_cb	566	BDB::poll_wait, BDB::poll_cb
514	while BDB::nreqs;	567	while BDB::nreqs;
515		568
516	=back	569	=back
517		570
		571	=head3 VERSION CHECKING
		572
		573	BerkeleyDB comes in various versions, many of them have minor
		574	incompatibilities. This means that traditional "at least version x.x"
		575	checks are often not sufficient.
		576
		577	Example: set the log_autoremove option in a way compatible with <v4.7 and
		578	v4.7. Note the use of & on the constants to avoid triggering a compiletime
		579	bug when the symbol isn't available.
		580
		581	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		582	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		583
		584	=over 4
		585
		586	=item BDB::VERSION
		587
		588	The C<BDB::VERSION> function, when called without arguments, returns the
		589	Berkeley DB version as a v-string (usually with 3 components). You should
		590	use C<lt> and C<ge> operators exclusively to make comparisons.
		591
		592	Example: check for at least version 4.7.
		593
		594	BDB::VERSION ge v4.7 or die;
		595
		596	=item BDB::VERSION min-version
		597
		598	Returns true if the BDB version is at least the given version (specified
		599	as a v-string), false otherwise.
		600
		601	Example: check for at least version 4.5.
		602
		603	BDB::VERSION v4.7 or die;
		604
		605	=item BDB::VERSION min-version, max-version
		606
		607	Returns true of the BDB version is at least version C<min-version> (specify C<undef> or C<v0> for any minimum version)
		608	and less then C<max-version>.
		609
		610	Example: check wether version is strictly less then v4.7.
		611
		612	BDB::VERSION v0, v4.7
		613	or die "version 4.7 is not yet supported";
		614
		615	=back
		616
		617	=cut
		618
		619	sub VERSION {
		620	# I was dumb enough to override the VERSION method here, so let's try
		621	# to fix it up.
		622
		623	if ($_[0] eq __PACKAGE__) {
		624	$VERSION
		625	} else {
		626	if (@_ > 0) {
		627	return undef if VERSION_v lt $_[0];
		628	if (@_ > 1) {
		629	return undef if VERSION_v ge $_[1];
		630	}
		631	}
		632
		633	VERSION_v
		634	}
		635	}
		636
518	=head3 CONTROLLING THE NUMBER OF THREADS	637	=head3 CONTROLLING THE NUMBER OF THREADS
519		638
520	=over 4	639	=over 4
521		640
522	=item BDB::min_parallel $nthreads	641	=item BDB::min_parallel $nthreads
…		…
588		707
589	=item BDB::set_sync_prepare $cb	708	=item BDB::set_sync_prepare $cb
590		709
591	Sets a callback that is called whenever a request is created without an	710	Sets a callback that is called whenever a request is created without an
592	explicit callback. It has to return two code references. The first is used	711	explicit callback. It has to return two code references. The first is used
593	as the request callback, and the second is called to wait until the first	712	as the request callback (it should save the return status), and the second
		713	is called to wait until the first callback has been called (it must set
		714	C<$!> to the return status).
		715
		716	This mechanism can be used to include BDB into other event mechanisms,
		717	such as L<AnyEvent::BDB> or L<Coro::BDB>.
		718
594	callback has been called. The default implementation works like this:	719	The default implementation works like this:
595		720
596	sub {	721	sub {
597	my $status;	722	my $status;
598	(	723	(
599	sub { $status = $! },	724	sub { $status = $! },
600	sub { BDB::poll while !defined $status; $! = $status },	725	sub { BDB::poll while !defined $status; $! = $status },
601	)	726	)
602	}	727	}
		728
		729	It simply blocks the process till the request has finished and then sets
		730	C<$!> to the return value. This means that if you don't use a callback,
		731	BDB will simply fall back to synchronous operations.
603		732
604	=back	733	=back
605		734
606	=head3 STATISTICAL INFORMATION	735	=head3 STATISTICAL INFORMATION
607		736
…		…
664		793
665	In short: the parent will, after a short pause, continue as if fork had	794	In short: the parent will, after a short pause, continue as if fork had
666	not been called, while the child will act as if BDB has not been used	795	not been called, while the child will act as if BDB has not been used
667	yet.	796	yet.
668		797
		798	Win32 note: there is no fork on win32, and perls emulation of it is too
		799	broken to be supported, so do not use BDB in a windows pseudo-fork, better
		800	yet, switch to a more capable platform.
		801
669	=head2 MEMORY USAGE	802	=head2 MEMORY USAGE
670		803
671	Per-request usage:	804	Per-request usage:
672		805
673	Each aio request uses - depending on your architecture - around 100-200	806	Each aio request uses - depending on your architecture - around 100-200
…		…
694	TXN_DEADLOCK flag will be set on the transaction. See C<db_txn_finish>,	827	TXN_DEADLOCK flag will be set on the transaction. See C<db_txn_finish>,
695	above.	828	above.
696		829
697	=head1 SEE ALSO	830	=head1 SEE ALSO
698		831
699	L<Coro::BDB>, L<IO::AIO>.	832	L<AnyEvent::BDB> (event loop integration), L<Coro::BDB> (more natural
		833	syntax), L<IO::AIO> (nice to have).
700		834
701	=head1 AUTHOR	835	=head1 AUTHOR
702		836
703	Marc Lehmann <schmorp@schmorp.de>	837	Marc Lehmann <schmorp@schmorp.de>
704	http://home.schmorp.de/	838	http://home.schmorp.de/

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Comparing BDB/BDB.pm (file contents): Revision 1.22 by root, Mon Dec 10 03:57:27 2007 UTC vs. Revision 1.48 by root, Tue Jul 29 03:33:16 2008 UTC

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Comparing BDB/BDB.pm (file contents):
Revision 1.22 by root, Mon Dec 10 03:57:27 2007 UTC vs.
Revision 1.48 by root, Tue Jul 29 03:33:16 2008 UTC