From: Nils Freydank <holgersson@posteo.de>
Date: Sun, 10 Dec 2017 13:00:00 +0100

This is a patch provided by another nextcloud user on 5th November (yep, you
read correctly). It fixes the NC upgrade running postgresql-10. I tested it for
nextcloud 12.0.3 -> 12.0.4, but it might be needed for earlier releases, too.

Original source: https://github.com/nextcloud/server/issues/5930#issuecomment-341978185


--- a/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Schema/PostgreSqlSchemaManager.php 2017-11-05 15:37:27.538064270 +0100
+++ b/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Schema/PostgreSqlSchemaManager.php 2017-11-05 15:38:54.014644323 +0100
@@ -289,7 +289,16 @@
             $sequenceName = $sequence['relname'];
         }
 
-        $data = $this->_conn->fetchAll('SELECT min_value, increment_by FROM ' . $this->_platform->quoteIdentifier($sequenceName));
+        $version = floatval($this->_conn->getWrappedConnection()->getServerVersion());
+
+        if ($version >= 10) {
+           $data = $this->_conn->fetchAll('SELECT min_value, increment_by FROM pg_sequences WHERE schemaname = \'public\' AND sequencename = '.$this->_conn->quote($sequenceName));
+        }
+        else
+        {
+            $data = $this->_conn->fetchAll('SELECT min_value, increment_by FROM ' . $this->_platform->quoteIdentifier($sequenceName));
+        }
+//        $data = $this->_conn->fetchAll('SELECT min_value, increment_by FROM ' . $this->_platform->quoteIdentifier($sequenceName));
 
         return new Sequence($sequenceName, $data[0]['increment_by'], $data[0]['min_value']);
     }