From e99b34f9e02d2326e36310b6177f6df5f2054ab5 Mon Sep 17 00:00:00 2001
From: Benjamin Kott <benjamin.kott@outlook.com>
Date: Tue, 14 May 2019 00:35:30 +0200
Subject: [PATCH] [BUGFIX] Only execute month and year update when fields exist

Releases: master, 9.1, 9.0, 8.7
---
 Classes/Install/Updates/DatabaseMonthYearUpdate.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Classes/Install/Updates/DatabaseMonthYearUpdate.php b/Classes/Install/Updates/DatabaseMonthYearUpdate.php
index c07bba76..f1a6e049 100644
--- a/Classes/Install/Updates/DatabaseMonthYearUpdate.php
+++ b/Classes/Install/Updates/DatabaseMonthYearUpdate.php
@@ -120,6 +120,12 @@ public function executeUpdate(): bool
      */
     public function updateNecessary(): bool
     {
+        $connection = GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionForTable('pages');
+        $tableColumns = $connection->getSchemaManager()->listTableColumns('pages');
+        if (!isset($tableColumns['crdate_month']) && !isset($tableColumns['crdate_year'])) {
+            return false;
+        }
+
         $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
             ->getQueryBuilderForTable('pages');
         $queryBuilder->getRestrictions()->removeAll();