- mdb-txn-renew txnprocedure
Renew a read-only transaction.
This acquires a new reader lock for a transaction handle that had been released by (mdb-txn-reset). It must be called before a reset transaction may be used again.
- A transaction handle returned by (mdb-txn-begin)
Some possible error conditions:
- (exn lmdb MDB_PANIC)
- a fatal error occurred earlier and the environment must be shut down.
- (exn lmdb EINVAL)
- an invalid parameter was specified.