[9LTS] code review fixes

class.ext_update.php

@@ -164,9 +164,12 @@ class ext_update
         $result = $queryBuilder
             ->select('tx_dlf_formats.uid AS uid', 'tx_dlf_formats.type AS type')
             ->from('tx_dlf_formats')
-            ->where('tx_dlf_formats.class IS NOT NULL AND tx_dlf_formats.class != "" AND tx_dlf_formats.class NOT LIKE "%\\\\\\\\%"')
+            ->where(
+                $queryBuilder->expr()->isNotNull('tx_dlf_formats.class'),
+                $queryBuilder->expr()->neq('tx_dlf_formats.class', $queryBuilder->createNamedParameter('')),
+                $queryBuilder->expr()->notLike('tx_dlf_formats.class', $queryBuilder->createNamedParameter('%\\\\%'))
+            )
             ->execute();
-
         while ($resArray = $result->fetch()) {
             $oldRecords[$resArray['uid']] = $resArray['type'];
         }
@@ -300,7 +303,7 @@ class ext_update
         $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('tx_dlf_formats');
 
         foreach ($oldRecords as $uid => $type) {
-            $result = $queryBuilder
+            $queryBuilder
                 ->update('tx_dlf_formats')
                 ->where(
                     $queryBuilder->expr()->eq('uid', $queryBuilder->createNamedParameter($uid))
@@ -468,7 +471,7 @@ class ext_update
                 $queryBuilder->expr()->orX(
                     $queryBuilder->expr()->eq('document_format', $queryBuilder->createNamedParameter(null)),
                     $queryBuilder->expr()->eq('document_format', $queryBuilder->createNamedParameter(''))
-                ),
+                )
             )
             ->set('document_format', 'METS')
             ->execute();

ext_emconf.php

@@ -13,7 +13,7 @@
 $EM_CONF[$_EXTKEY] = [
     'title' => 'Kitodo.Presentation',
     'description' => 'Base plugins, modules, services and API of the Digital Library Framework. It is part of the community-based Kitodo Digitization Suite.',
-    'version' => '3.0.1',
+    'version' => '3.1.0',
     'category' => 'misc',
     'constraints' => [
         'depends' => [