From 7d3235ba42f8d5fc70c58e242702cc5e2e3549a6 Mon Sep 17 00:00:00 2001
From: Robert Haas
Date: Mon, 17 Oct 2016 16:31:13 -0400
Subject: By default, set log_line_prefix = '%m [%p] '.

This value might not be to everyone's taste; in particular, some
people might prefer %t to %m, and others may want %u, %d, or other
fields.  However, it's a vast improvement on the old default of ''.

Christoph Berg
---
 src/backend/utils/misc/guc.c                  | 2 +-
 src/backend/utils/misc/postgresql.conf.sample | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 622279b058a..65660c1bf7e 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -3014,7 +3014,7 @@ static struct config_string ConfigureNamesString[] =
 			gettext_noop("If blank, no prefix is used.")
 		},
 		&Log_line_prefix,
-		"",
+		"%m [%p] ",
 		NULL, NULL, NULL
 	},
 
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index 05b1373594b..159ada3bc63 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -430,7 +430,7 @@
 #log_duration = off
 #log_error_verbosity = default		# terse, default, or verbose messages
 #log_hostname = off
-#log_line_prefix = ''			# special values:
+#log_line_prefix = '%m [%p] '		# special values:
 					#   %a = application name
 					#   %u = user name
 					#   %d = database name
-- 
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