def bulkLoad(self,cassandra_host=None):
if cassandra_host==None:
cassandra_host=self.cassandra_host
self.cass_obj=cassandra.cassandra_connection(keyspace=self.keyspace, table=self.tablename,host=cassandra_host)
if not self.cass_obj:raise ElandraError("Cassandra connection Failed")
for item in self.cass_obj.get_iterator():
iv={}
for key in item[1]:
dt=self.schema[self.keyspace][self.tablename]["columns"][key]["type"]
try:
iv[key]=__builtins__[dt](item[1][key])
except:
iv[key]=__builtins__.__dict__[dt](item[1][key])
self.insert(iv)
#os.system(command)
#print "Data loaded into Cassandra successfully. Now calling ElandraCube object..."
json_file=open(sys.argv[1])
#print json_file
#the second argument in the following function is to maintain the order of json file
json_data=json.load(json_file,object_pairs_hook=collections.OrderedDict)
#print json_data[str(sys.argv[2])]
column_names=json_data[sys.argv[2]][sys.argv[3]]['columns']
#print column_names
obj = ElandraCube(keyspace=sys.argv[2],tablename=sys.argv[3])
cc = cassandra_connection(str(sys.argv[2]),str(sys.argv[3]))
with open(sys.argv[4],'rb') as csvfile:
f=csv.reader(csvfile,delimiter=",")
for row in f:
#print row
query="{"
j=0
for i in column_names:
if j!=0:
query+=","
query+='"'+i+'"'+':"'+row[j]+'"'
j+=1
query+="}"
# print query
# print ast.literal_eval(query)
