Re: (ITS#7515) Nested liblmdb transaction bugs

[hyc@symas.com]

h.b.furuseth@usit.uio.no wrote:
> Can't use a DBI from an aborted child txn, unlike aborted main txn:
>
> $ ./bug  R[cp]      # Create a named DB and put an item there
> $ ./bug  [[o}g]     # Open that DB in a child, abort, use the DBI
> 40: mdb_get(txn, dbi, &key, &rdata): Invalid argument
> $ ./bug  [[o]g]     # Success: Commit instead of abort the child
> $ ./bug  [o}[g]     # Success: Use the DBI from an aborted main txn

Sounds like the latter is a different bug - a DBI opened in an aborted txn 
should not be valid after the abort.

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