mdb_txn_id function
@brief Return the transaction's ID.
This returns the identifier associated with this transaction. For a read-only transaction, this corresponds to the snapshot being read; concurrent readers will frequently have the same transaction ID.
@paramin
txn A transaction handle returned by #mdb_txn_begin()
@return A transaction ID, valid if input is an active transaction.
Implementation
@ffi.FfiNative<mdb_size_t Function(ffi.Pointer<MDB_txn>)>('mdb_txn_id')
external int mdb_txn_id(
ffi.Pointer<MDB_txn> txn,
);