---- postgresql-8.3RC1/src/backend/utils/misc/postgresql.conf.sample.orig 2007-12-07 16:44:56.000000000 +0000
-+++ postgresql-8.3RC1/src/backend/utils/misc/postgresql.conf.sample 2008-01-07 22:19:56.904649611 +0000
-@@ -253,7 +253,7 @@
+diff -urNp -x '*.orig' postgresql-12.4.org/src/backend/utils/misc/postgresql.conf.sample postgresql-12.4/src/backend/utils/misc/postgresql.conf.sample
+--- postgresql-12.4.org/src/backend/utils/misc/postgresql.conf.sample 2020-08-10 23:15:53.000000000 +0200
++++ postgresql-12.4/src/backend/utils/misc/postgresql.conf.sample 2021-11-09 09:30:59.882648111 +0100
+@@ -416,7 +416,7 @@
# - Where to Log -
# stderr, csvlog, syslog, and eventlog,
# depending on platform. csvlog
# requires logging_collector to be on.
-@@ -262,8 +262,8 @@
+@@ -449,9 +449,9 @@
# 0 disables.
# These are relevant when logging to syslog:
#syslog_split_messages = on
# This is only relevant when logging to eventlog (win32):
-@@ -324,7 +324,7 @@
- #debug_print_plan = off
- #debug_pretty_print = off
- #log_checkpoints = off
--#log_connections = off
-+log_connections = on
- #log_disconnections = off
- #log_duration = off
- #log_hostname = off