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lmdb: '-s' option for mdb_chk to processing only a specific subdb.

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Change-Id: Iad44204a9cadde3620de98194aa31f7420c8a2aa
This commit is contained in:
Leo Yuriev 2015-08-31 21:34:57 +03:00
parent 69beb1525f
commit 37b3629329
1 changed files with 26 additions and 11 deletions
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37
mdb_chk.c
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@ -73,8 +73,9 @@ MDB_txn *txn, *locktxn;
MDB_envinfo info;
MDB_stat stat;
size_t maxkeysize, reclaimable_pages, freedb_pages, lastpgno;
size_t userdb_count;
size_t userdb_count, skipped_subdb;
unsigned verbose, quiet;
const char* only_subdb;
struct problem {
struct problem* pr_next;
@ -335,6 +336,14 @@ static int process_db(MDB_dbi dbi, char *name, visitor *handler, int silent)
}
}
if (dbi >= 2 /* CORE_DBS */ && name && only_subdb && strcmp(only_subdb, name)) {
if (verbose)
print("Skip processing %s'db...\n", name);
skipped_subdb++;
mdb_dbi_close(env, dbi);
return MDB_SUCCESS;
}
if (! silent && verbose)
print("Processing %s'db...\n", name ? name : "main");
@ -353,7 +362,7 @@ static int process_db(MDB_dbi dbi, char *name, visitor *handler, int silent)
}
if (! silent && verbose) {
print(" - flags:");
print(" - dbi-id %d, flags:", dbi);
if (! flags)
print(" none");
else {
@ -468,14 +477,15 @@ bailout:
static void usage(char *prog)
{
fprintf(stderr, "usage: %s dbpath [-V] [-v] [-n] [-q] [-w]\n"
" -V\tshow version\n"
" -v\tmore verbose, could be used multiple times\n"
" -n\tNOSUBDIR mode for open\n"
" -q\tbe quiet\n"
" -w\tlock DB for writing while checking\n"
" -d\tdisable page-by-page traversal of b-tree\n"
" -c\tforce cooperative mode (don't try exclusive)\n", prog);
fprintf(stderr, "usage: %s dbpath [-V] [-v] [-n] [-q] [-w] [-c] [-d] [-s subdb]\n"
" -V\t\tshow version\n"
" -v\t\tmore verbose, could be used multiple times\n"
" -n\t\tNOSUBDIR mode for open\n"
" -q\t\tbe quiet\n"
" -w\t\tlock DB for writing while checking\n"
" -d\t\tdisable page-by-page traversal of b-tree\n"
" -s subdb\tprocess a specific subdatabase only\n"
" -c\t\tforce cooperative mode (don't try exclusive)\n", prog);
exit(EXIT_FAILURE);
}
@ -508,7 +518,7 @@ int main(int argc, char *argv[])
usage(prog);
}
while ((i = getopt(argc, argv, "Vvqnwcd")) != EOF) {
while ((i = getopt(argc, argv, "Vvqnwcds:")) != EOF) {
switch(i) {
case 'V':
printf("%s\n", MDB_VERSION_STRING);
@ -532,6 +542,11 @@ int main(int argc, char *argv[])
case 'd':
dont_traversal = 1;
break;
case 's':
if (only_subdb && strcmp(only_subdb, optarg))
usage(prog);
only_subdb = optarg;
break;
default:
usage(prog);
}