initial commit; version 22.5.12042

update/455.php

@@ -0,0 +1,45 @@
+<?php
+/**
+ * Observium
+ *
+ *   This file is part of Observium.
+ *
+ * @package    observium
+ * @subpackage db
+ * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2021 Observium Limited
+ *
+ */
+
+// Drop old index if exist
+
+if ($indexes = dbShowIndexes('devices', 'hostname')) {
+  dbQuery('ALTER TABLE `devices` DROP INDEX `hostname`;');
+  echo('-');
+}
+// unique
+// Remove duplicates if exist in table oids_assoc
+$entries = [];
+foreach (dbFetchRows("SELECT * FROM `devices` ORDER BY `device_id` ASC") as $entry) {
+  if (isset($entries[$entry['hostname']])) {
+    echo('.');
+    // Check if device disabled
+    $old = $entries[$entry['hostname']];
+    if ($old['disabled']) {
+      // delete previous (deleted) device
+      delete_device($old['device_id']);
+    } else {
+      // delete new (duplicate) device
+      delete_device($entry['device_id']);
+      continue;
+    }
+  }
+  $entries[$entry['hostname']] = $entry;
+}
+
+// Add table index again
+dbQuery('ALTER TABLE `devices` ADD UNIQUE `hostname` (`hostname`) USING BTREE;');
+echo('+');
+
+unset($indexes, $entries, $entry);
+
+// EOF