Hi List I am currently building a new postgresql-13 (maybe 14, if release is on time) cluster which will replace the currently running 9.6 instances. I don't know much about the data(bases) which are on these clusters. I saw that plpythonu is installed on all instances. As I understand, the only version of plpython is version 3 and existing scripts may no longer work with python3. Now my question: Is it possible to see if a certain extension is in active use? Do I have to switch on statement-logs to see it? Unfortunately even (some) application-owners cannot answer if I ask them if the python is used. I hope my question is clear enough. Chris
