diff --git a/debian/patches/21_check_pgsql_extra_output b/debian/patches/21_check_pgsql_extra_output
new file mode 100644
index 0000000..773443b
--- /dev/null
+++ b/debian/patches/21_check_pgsql_extra_output
@@ -0,0 +1,46 @@
+From 9f15dac8e789a4b13d4f9e8897ee03fee84f494a Mon Sep 17 00:00:00 2001
+From: phowen <phowen@cisco.com>
+Date: Wed, 26 Apr 2017 13:40:27 +0100
+Subject: [PATCH] add extra output to pgsql check
+
+---
+ plugins/check_pgsql.c | 12 +++++++++++-
+ 1 file changed, 11 insertions(+), 1 deletion(-)
+
+diff --git a/plugins/check_pgsql.c b/plugins/check_pgsql.c
+index c26cd439c..05fdc1568 100644
+--- a/plugins/check_pgsql.c
++++ b/plugins/check_pgsql.c
+@@ -517,7 +517,10 @@ print_help (void)
+ 	printf (" %s\n", _("connecting to the server. The result from the query has to be numeric."));
+ 	printf (" %s\n", _("Multiple SQL commands, separated by semicolon, are allowed but the result "));
+ 	printf (" %s\n", _("of the last command is taken into account only. The value of the first"));
+-	printf (" %s\n\n", _("column in the first row is used as the check result."));
++	printf (" %s\n", _("column in the first row is used as the check result. If a second column is"));
++	printf (" %s\n", _("present in the result set, this is added to the plugin output with a"));
++	printf (" %s\n", _("prefix of \"Extra Info:\". This information can be displayed in the system"));
++	printf (" %s\n\n", _("executing the plugin."));
+ 
+ 	printf (" %s\n", _("See the chapter \"Monitoring Database Activity\" of the PostgreSQL manual"));
+ 	printf (" %s\n\n", _("for details about how to access internal statistics of the database server."));
+@@ -557,6 +560,7 @@ do_query (PGconn *conn, char *query)
+ 	PGresult *res;
+ 
+ 	char *val_str;
++	char *extra_info;
+ 	double value;
+ 
+ 	char *endptr = NULL;
+@@ -621,6 +625,12 @@ do_query (PGconn *conn, char *query)
+ 	printf ("|query=%f;%s;%s;;\n", value,
+ 			query_warning ? query_warning : "",
+ 			query_critical ? query_critical : "");
++	if (PQnfields (res) > 1) {
++		extra_info = PQgetvalue (res, 0, 1);
++		if (extra_info != NULL) {
++			printf ("Extra Info: %s\n", extra_info);
++		}
++	}
+ 	return my_status;
+ }
+ 
diff --git a/debian/patches/series b/debian/patches/series
index ff76318..c04e2ed 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -12,6 +12,7 @@
 18_check_mysql_fix_typo
 19_check_nwstat_fix_typ
 20_chech_nt_fix_encoding
+21_check_pgsql_extra_output
 # feature patches
 30_check_radius_radcli_1.3.1_support
 31_checl_mailq_separate_submission_queue