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ITS#8704 Add MDB_PREVMETA support to tools

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This commit is contained in:
Howard Chu 2017-07-31 19:15:21 +01:00
parent 7edf504106
commit ce83455904
6 changed files with 37 additions and 9 deletions
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10
libraries/liblmdb/mdb_copy.1
View file

@ -1,5 +1,5 @@
.TH MDB_COPY 1 "2014/07/01" "LMDB 0.9.14"
.\" Copyright 2012-2018 Howard Chu, Symas Corp. All Rights Reserved.
.TH MDB_COPY 1 "2017/07/31" "LMDB 0.9.70"
.\" Copyright 2012-2019 Howard Chu, Symas Corp. All Rights Reserved.
.\" Copying restrictions apply. See COPYRIGHT/LICENSE.
.SH NAME
mdb_copy \- LMDB environment copy tool
@ -11,6 +11,8 @@ mdb_copy \- LMDB environment copy tool
.BR \-c ]
[\c
.BR \-n ]
[\c
.BR \-v ]
.B srcpath
[\c
.BR dstpath ]
@ -40,6 +42,10 @@ Currently it fails if the environment has suffered a page leak.
.TP
.BR \-n
Open LDMB environment(s) which do not use subdirectories.
.TP
.BR \-v
Use the previous environment state instead of the latest state.
This may be useful if the latest state has been corrupted.
.SH DIAGNOSTICS
Exit status is zero if no errors occur.

4
libraries/liblmdb/mdb_copy.c
View file

@ -38,6 +38,8 @@ int main(int argc,char * argv[])
for (; argc > 1 && argv[1][0] == '-'; argc--, argv++) {
if (argv[1][1] == 'n' && argv[1][2] == '\0')
flags |= MDB_NOSUBDIR;
else if (argv[1][1] == 'v' && argv[1][2] == '\0')
flags |= MDB_PREVMETA;
else if (argv[1][1] == 'c' && argv[1][2] == '\0')
cpflags |= MDB_CP_COMPACT;
else if (argv[1][1] == 'V' && argv[1][2] == '\0') {
@ -48,7 +50,7 @@ int main(int argc,char * argv[])
}
if (argc<2 || argc>3) {
fprintf(stderr, "usage: %s [-V] [-c] [-n] srcpath [dstpath]\n", progname);
fprintf(stderr, "usage: %s [-V] [-c] [-n] [-v] srcpath [dstpath]\n", progname);
exit(EXIT_FAILURE);
}

10
libraries/liblmdb/mdb_dump.1
View file

@ -1,5 +1,5 @@
.TH MDB_DUMP 1 "2015/09/30" "LMDB 0.9.17"
.\" Copyright 2014-2018 Howard Chu, Symas Corp. All Rights Reserved.
.TH MDB_DUMP 1 "2017/07/31" "LMDB 0.9.70"
.\" Copyright 2014-2017 Howard Chu, Symas Corp. All Rights Reserved.
.\" Copying restrictions apply. See COPYRIGHT/LICENSE.
.SH NAME
mdb_dump \- LMDB environment export tool
@ -14,6 +14,8 @@ mdb_dump \- LMDB environment export tool
[\c
.BR \-n ]
[\c
.BR \-v ]
[\c
.BR \-p ]
[\c
.BR \-a \ |
@ -42,6 +44,10 @@ names will be listed, no data will be output.
.BR \-n
Dump an LMDB database which does not use subdirectories.
.TP
.BR \-v
Use the previous environment state instead of the latest state.
This may be useful if the latest state has been corrupted.
.TP
.BR \-p
If characters in either the key or data items are printing characters (as
defined by isprint(3)), output them directly. This option permits users to

6
libraries/liblmdb/mdb_dump.c
View file

@ -151,7 +151,7 @@ static int dumpit(MDB_txn *txn, MDB_dbi dbi, char *name)
static void usage(char *prog)
{
fprintf(stderr, "usage: %s [-V] [-f output] [-l] [-n] [-p] [-a|-s subdb] dbpath\n", prog);
fprintf(stderr, "usage: %s [-V] [-f output] [-l] [-n] [-p] [-v] [-a|-s subdb] dbpath\n", prog);
exit(EXIT_FAILURE);
}
@ -175,6 +175,7 @@ int main(int argc, char *argv[])
* -n: use NOSUBDIR flag on env_open
* -p: use printable characters
* -f: write to file instead of stdout
* -v: use previous metapage
* -V: print version and exit
* (default) dump only the main DB
*/
@ -202,6 +203,9 @@ int main(int argc, char *argv[])
case 'n':
envflags |= MDB_NOSUBDIR;
break;
case 'v':
envflags |= MDB_PREVMETA;
break;
case 'p':
mode |= PRINT;
break;

10
libraries/liblmdb/mdb_stat.1
View file

@ -1,5 +1,5 @@
.TH MDB_STAT 1 "2015/09/30" "LMDB 0.9.17"
.\" Copyright 2012-2018 Howard Chu, Symas Corp. All Rights Reserved.
.TH MDB_STAT 1 "2017/07/31" "LMDB 0.9.70"
.\" Copyright 2012-2019 Howard Chu, Symas Corp. All Rights Reserved.
.\" Copying restrictions apply. See COPYRIGHT/LICENSE.
.SH NAME
mdb_stat \- LMDB environment status tool
@ -14,6 +14,8 @@ mdb_stat \- LMDB environment status tool
[\c
.BR \-n ]
[\c
.BR \-v ]
[\c
.BR \-r [ r ]]
[\c
.BR \-a \ |
@ -39,6 +41,10 @@ If \fB\-fff\fP is given, display the full list of page IDs in the freelist.
.BR \-n
Display the status of an LMDB database which does not use subdirectories.
.TP
.BR \-v
Use the previous environment state instead of the latest state.
This may be useful if the latest state has been corrupted.
.TP
.BR \-r
Display information about the environment reader table.
Shows the process ID, thread ID, and transaction ID for each active

6
libraries/liblmdb/mdb_stat.c
View file

@ -34,7 +34,7 @@ static void prstat(MDB_stat *ms)
static void usage(char *prog)
{
fprintf(stderr, "usage: %s [-V] [-n] [-e] [-r[r]] [-f[f[f]]] [-a|-s subdb] dbpath\n", prog);
fprintf(stderr, "usage: %s [-V] [-n] [-e] [-r[r]] [-f[f[f]]] [-v] [-a|-s subdb] dbpath\n", prog);
exit(EXIT_FAILURE);
}
@ -61,6 +61,7 @@ int main(int argc, char *argv[])
* -f: print freelist info
* -r: print reader info
* -n: use NOSUBDIR flag on env_open
* -v: use previous metapage
* -V: print version and exit
* (default) print stat of only the main DB
*/
@ -84,6 +85,9 @@ int main(int argc, char *argv[])
case 'n':
envflags |= MDB_NOSUBDIR;
break;
case 'v':
envflags |= MDB_PREVMETA;
break;
case 'r':
rdrinfo++;
break;