def insert_paths_attr():
gw = cg.new_gw()
prd = cdb.new_path_reader_for_method(method='bn', gw=gw, limit=10000, offset=0)
if prd is None:
return
trd = cdb.new_track_reader()
pawd = cdb.new_path_attr_writer('taxi_paths_bn_attr')
path = prd.fetch_one()
while path is not None:
print prd.fetched_num, path.tid
track = trd.fetch_by_id(path.tid)
pawd.insert(path, track)
path = prd.fetch_one()
del prd
del pawd
def insert_paths_attr():
gw = cg.new_gw()
prd = cdb.new_path_reader_for_method(method='bn',
gw=gw,
limit=10000,
offset=0)
if prd is None:
return
trd = cdb.new_track_reader()
pawd = cdb.new_path_attr_writer('taxi_paths_bn_attr')
path = prd.fetch_one()
while path is not None:
print prd.fetched_num, path.tid
track = trd.fetch_by_id(path.tid)
pawd.insert(path, track)
path = prd.fetch_one()
del prd
del pawd
def init_path_track_reader():
self.prd = cdb.new_path_reader_for_method(method = self.method, offset = 0)
self.trd = cdb.new_track_reader(offset = 0)
