Resolving Issue #2500

Correcting min and max values that should be 'U' in Data Sources and Data Templates.

install/upgrades/1_2_3.php

@@ -0,0 +1,38 @@
+<?php
+/*
+ +-------------------------------------------------------------------------+
+ | Copyright (C) 2004-2019 The Cacti Group                                 |
+ |                                                                         |
+ | This program is free software; you can redistribute it and/or           |
+ | modify it under the terms of the GNU General Public License             |
+ | as published by the Free Software Foundation; either version 2          |
+ | of the License, or (at your option) any later version.                  |
+ |                                                                         |
+ | This program is distributed in the hope that it will be useful,         |
+ | but WITHOUT ANY WARRANTY; without even the implied warranty of          |
+ | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           |
+ | GNU General Public License for more details.                            |
+ +-------------------------------------------------------------------------+
+ | Cacti: The Complete RRDTool-based Graphing Solution                     |
+ +-------------------------------------------------------------------------+
+ | This code is designed, written, and maintained by the Cacti Group. See  |
+ | about.php and/or the AUTHORS file for specific developer information.   |
+ +-------------------------------------------------------------------------+
+ | http://www.cacti.net/                                                   |
+ +-------------------------------------------------------------------------+
+*/
+
+function upgrade_to_1_2_3() {
+	// Correct max values in templates and data sources: GAUGE/ABSOLUTE (1,4)
+	db_install_execute("UPDATE data_template_rrd
+		SET rrd_maximum='U'
+		WHERE rrd_maximum = '0'
+		AND rrd_minimum = '0'
+		AND data_source_type_id IN(1,4)");
+
+	// Correct min/max values in templates and data sources: DERIVE/DDERIVE (3,7)
+	db_install_execute("UPDATE data_template_rrd
+		SET rrd_maximum='U', rrd_minimum='U'
+		WHERE (rrd_maximum = '0' OR rrd_minimum = '0')
+		AND data_source_type_id IN(3,7)");
+}