commit method
Commits this transaction including all of the queued mutations.
Implementation
Future commit() {
_checkSealed(changeState: _transactionCommitted);
try {
return _commitHelper(db,
inserts: _inserts,
deletes: _deletes,
datastoreTransaction: _datastoreTransaction);
} catch (error) {
_state = _transactionCommitFailed;
rethrow;
}
}