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ITS#7598 mdb_dbi_open(named DB): Check mainDB flags.

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Reject attempts to open named databases if the main
database has flag MDB_DUPSORT or MDB_INTEGERKEY.

DUPSORT would require an xcursor for the DB, INTEGERKEY
would expect the DB name to be a binary integer.
This commit is contained in:
Hallvard Furuseth 2013-05-21 19:04:52 +02:00
parent a2ce25482a
commit 1b6d7ee7e1
1 changed files with 4 additions and 0 deletions
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4
libraries/liblmdb/mdb.c
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@ -7226,6 +7226,10 @@ int mdb_dbi_open(MDB_txn *txn, const char *name, unsigned int flags, MDB_dbi *db
if (!unused && txn->mt_numdbs >= txn->mt_env->me_maxdbs)
return MDB_DBS_FULL;
/* Cannot mix named databases with some mainDB flags */
if (txn->mt_dbs[MAIN_DBI].md_flags & (MDB_DUPSORT|MDB_INTEGERKEY))
return (flags & MDB_CREATE) ? MDB_INCOMPATIBLE : MDB_NOTFOUND;
/* Find the DB info */
dbflag = DB_NEW|DB_VALID;
exact = 0;