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)