Re: mdb_dbi_open and threads

On 6/19/17 10:31 AM, Muhammed Muneer wrote: > Sorry for the late reply, I was on vacation. > > Klaus wrote: > "I am still unsure what you are trying to achieve. If you are in a read > transaction and discover that your database does not exist, what can you do > anyway? You cannot create the database at this point, since it is a write > operation." > > When I discover a dbi does not exist in a read transaction, I can assume > it to be the same as a dbi which is empty and create it when and only when > there is a write-request into that dbi later. > > > To my understanding, the API does not prevent you from doing so. As long as you do not specify the MDB_CREATE flag, you can call mdb_dbi_open and will get informed whether the database exists or not (MDB_NOTFOUND). Klaus