I am getting below error sometimes code execute the select statement. Didn't getting what is the reason for same. Can anyone help. Thanks in advance..   'no select statement was executed' Traceback (most recent call last):      result = cursor.fetchall()   File "/usr/lib/python2.7/site-packages/phoenixdb/cursor.py", line 289, in fetchall     row = self.fetchone()   File "/usr/lib/python2.7/site-packages/phoenixdb/cursor.py", line 262, in fetchone     raise ProgrammingError('no select statement was executed') ProgrammingError: ('no select statement was executed', None, None, None) ... View more