Quick fix for cases when client_port is set to an empty string, per bug report 79...

diff --git a/check_postgres.pl b/check_postgres.pl
index 438f0f4b71a50ee76f336c1f2833d51b365b4dc0..e9c499939c186c143c86cf9540f10421d10cc38d 100755 (executable)
--- a/check_postgres.pl
+++ b/check_postgres.pl
@@ -7405,7 +7405,8 @@ sub check_txn_idle {
             msg('database'), $maxr->{datname},
             msg('username'), $maxr->{usename},
             $maxr->{client_addr} eq '' ? '' : (sprintf ' %s:%s', msg('address'), $maxr->{client_addr}),
-            $maxr->{client_port} < 1 ? '' : (sprintf ' %s:%s', msg('port'), $maxr->{client_port});
+            ($maxr->{client_port} eq '' or $maxr->{client_port} < 1)
+                ? '' : (sprintf ' %s:%s', msg('port'), $maxr->{client_port});
     }
 
     ## For MRTG, we can simply exit right now