From 9c6eb75c656363176a55c63c81803feb3cfa614d Mon Sep 17 00:00:00 2001 From: Howard Chu Date: Sat, 12 Aug 2017 12:21:25 +0100 Subject: ITS#8704 add MDB_PREVSNAPSHOT flag to mdb_env_open used to open the previous snapshot, in case the latest one is corrupted --- external/db_drivers/liblmdb/mdb_dump.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'external/db_drivers/liblmdb/mdb_dump.c') diff --git a/external/db_drivers/liblmdb/mdb_dump.c b/external/db_drivers/liblmdb/mdb_dump.c index 72a469052..7a42bc0b6 100644 --- a/external/db_drivers/liblmdb/mdb_dump.c +++ b/external/db_drivers/liblmdb/mdb_dump.c @@ -164,7 +164,7 @@ 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); } @@ -188,6 +188,7 @@ 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 snapshot * -V: print version and exit * (default) dump only the main DB */ @@ -215,6 +216,9 @@ int main(int argc, char *argv[]) case 'n': envflags |= MDB_NOSUBDIR; break; + case 'v': + envflags |= MDB_PREVSNAPSHOT; + break; case 'p': mode |= PRINT; break; -- cgit v1.2.3