I think the issue is using the same cursor or it's because of you using the wrong version of Phoenix/Phoenix connection. Remember you also need to be using an older version as the newest version of Phoenix uses Google Protocol Buffers for data retrieval and PhoenixDB only does the older jSON. See: https://bitbucket.org/lalinsky/python-phoenixdb Is your server running Phoenix 4.7, then it is v=1.6, but that is Protocol Buffers. Python does not support this. You can restart your phoenix query server with the phoenix.queryserver.serialization parameter set to JSON. Hopefully Python-PhoenixDB will be updated to use the current protocol. ... View more