don't store empty groupids

gives an exception on oracle and shouldn't be added in the first place

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

diff --git a/lib/private/SystemTag/SystemTagManager.php b/lib/private/SystemTag/SystemTagManager.php
index 7c21c0e004eab91a8c2d2db985a7cf687c36b11a..d0854e885eb484828bacd9986145231224f83a27 100644 (file)
--- a/lib/private/SystemTag/SystemTagManager.php
+++ b/lib/private/SystemTag/SystemTagManager.php
@@ -400,6 +400,9 @@ class SystemTagManager implements ISystemTagManager {
                                        'gid' => $query->createParameter('gid'),
                                ]);
                        foreach ($groupIds as $groupId) {
+                               if ($groupId === '') {
+                                       continue;
+                               }
                                $query->setParameter('gid', $groupId);
                                $query->execute();
                        }