def head(self, n=5):
query = self.generate_query()
query += ' limit ' + str(n) + '\n'
out = self.execute(query)
return out_to_pd(out)
def tail(self, n=5):
query = self.generate_query()
query += ' order by auto_index desc limit ' + str(n) + '\n'
out = self.execute(query)
return out_to_pd(out)
def to_pd(self):
query = self.generate_query()
out = self.execute(query)
return out_to_pd(out)