# Pastebin CIh6rCTi
mysql:root@localhost [nova_eqiad1]> select DISTINCT(keypairs) from instance_extra;
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| keypairs                                                                                                                                                                    |
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| NULL                                                                                                                                                                        |
| {"nova_object.version": "1.3", "nova_object.changes": ["objects"], "nova_object.name": "KeyPairList", "nova_object.data": {"objects": []}, "nova_object.namespace": "nova"} |
| {"nova_object.version": "1.3", "nova_object.name": "KeyPairList", "nova_object.data": {"objects": []}, "nova_object.namespace": "nova"}                                     |
| {"nova_object.namespace": "nova", "nova_object.name": "KeyPairList", "nova_object.data": {"objects": []}, "nova_object.version": "1.3"}                                     |
| {"nova_object.name": "KeyPairList", "nova_object.version": "1.3", "nova_object.data": {"objects": []}, "nova_object.namespace": "nova"}                                     |
| {"nova_object.namespace": "nova", "nova_object.name": "KeyPairList", "nova_object.version": "1.3", "nova_object.data": {"objects": []}}                                     |
| {"nova_object.version": "1.3", "nova_object.namespace": "nova", "nova_object.data": {"objects": []}, "nova_object.name": "KeyPairList"}                                     |
| {"nova_object.data": {"objects": []}, "nova_object.name": "KeyPairList", "nova_object.namespace": "nova", "nova_object.version": "1.3"}                                     |
| {"nova_object.name": "KeyPairList", "nova_object.data": {"objects": []}, "nova_object.namespace": "nova", "nova_object.version": "1.3"}                                     |
| {"nova_object.version": "1.3", "nova_object.namespace": "nova", "nova_object.name": "KeyPairList", "nova_object.data": {"objects": []}}                                     |
| {"nova_object.namespace": "nova", "nova_object.version": "1.3", "nova_object.name": "KeyPairList", "nova_object.data": {"objects": []}}                                     |
| {"nova_object.namespace": "nova", "nova_object.version": "1.3", "nova_object.data": {"objects": []}, "nova_object.name": "KeyPairList"}                                     |
| {"nova_object.data": {"objects": []}, "nova_object.version": "1.3", "nova_object.name": "KeyPairList", "nova_object.namespace": "nova"}                                     |
| {"nova_object.name": "KeyPairList", "nova_object.data": {"objects": []}, "nova_object.version": "1.3", "nova_object.namespace": "nova"}                                     |
| {"nova_object.name": "KeyPairList", "nova_object.namespace": "nova", "nova_object.version": "1.3", "nova_object.data": {"objects": []}}                                     |
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
15 rows in set (0.953 sec)