Compare what data changed in your Postgres database between two points in time.
Start/end a capture
$ PGDIFF_CONNECTION_STRING=postgresql://user:password@host:port/db_name pgdiff <key>
Delete all diffs
$ pgdiff -d
$ pgdiff abcd
Time goes by, rows are inserted/updated. Now run the command again with the same database name and key params to see what data changed: