def __init__(self, connection, grammar, processor):
        self._grammar = grammar
        self._processor = processor
        self._connection = connection
        self._bindings = OrderedDict()
        for type in ['select', 'join', 'where', 'having', 'order']:
            self._bindings[type] = []

        self.aggregate_ = None
        self.columns = []
        self.distinct_ = False
        self.from__ = ''
        self.joins = []
        self.wheres = []
        self.groups = []
        self.havings = []
        self.orders = []
        self.limit_ = None
        self.offset_ = None
        self.unions = []
        self.union_limit = None
        self.union_offset = None
        self.union_orders = []
        self.lock_ = None

        self._backups = {}

        self._use_write_connection = False
Find all transactions for a block, ordered by transaction index. Internal use.
dataset/ETHPy150Open sdispater/orator/orator/query/builder.py/QueryBuilder.__init__--crossover with--dataset/ETHPy150Open ricmoo/pycoind/pycoind/blockchain/transaction.py/Database._get_transactions