TYPO3 Core

When new domain objects get persisted the language field (sys_language_uid) is set to -1 in \TYPO3\CMS\Extbase\Persistence\Generic\Backend::insertObject(). There should be a check if the developer hasn't set it himself.

diff --git a/typo3/sysext/extbase/Classes/Persistence/Generic/Backend.php b/typo3/sysext/extbase/Classes/Persistence/Generic/Backend.php
index f3d89c9..8c6e3f0 100644
--- a/typo3/sysext/extbase/Classes/Persistence/Generic/Backend.php
+++ b/typo3/sysext/extbase/Classes/Persistence/Generic/Backend.php
@@ -633,7 +633,7 @@ class Backend implements \TYPO3\CMS\Extbase\Persistence\Generic\BackendInterface
                $dataMap = $this->dataMapper->getDataMap(get_class($object));
                $row = array();
                $this->addCommonFieldsToRow($object, $row);
-               if ($dataMap->getLanguageIdColumnName() !== NULL) {
+               if ($dataMap->getLanguageIdColumnName() !== NULL && ($object->_getProperty('_languageUid') === NULL || !$object->_getProperty('_languageUid'))) {
                        $row[$dataMap->getLanguageIdColumnName()] = -1;
                }
                if ($parentObject !== NULL && $parentPropertyName) {

If someone has a good idea for a commit message I will submit a patch to gerrit.