Method NewIterator

store/txn.go:267–275

NewIterator() creates a merged iterator with the reader and writer

(prefix []byte, reverse bool, seek bool)

// NewIterator() creates a merged iterator with the reader and writer
func (t *Txn) NewIterator(prefix []byte, reverse bool, seek bool) (lib.IteratorI, lib.ErrorI) {
	// create an iterator for the parent
	parentIterator, err := t.reader.NewIterator(lib.Append(t.prefix, prefix), reverse, seek)
	if err != nil {
		return nil, err
	}
	// create a merged iterator for the parent and in-memory txn
	return newTxnIterator(parentIterator, t.txn, prefix, t.prefix, reverse), nil
}

// Copy creates a new Txn with the same configuration and txn as the original
func (t *Txn) Copy(reader TxnReaderI, writer TxnWriterI) *Txn {