public function _migrateData(\b2db\Table $old_table)
 {
     switch ($old_table->getVersion()) {
         case 1:
             if ($res = $old_table->doSelectAll()) {
                 $customdatatypes_table = TBGCustomDatatype::getB2DBTable();
                 $crit = $customdatatypes_table->getCriteria();
                 $crit->indexBy(TBGCustomFieldsTable::FIELD_KEY);
                 $customfields = $customdatatypes_table->select($crit);
                 while ($row = $res->getNextRow()) {
                     $key = $row->get('customfieldoptions.customfield_key');
                     $customfield = array_key_exists($key, $customfields) ? $customfields[$key] : null;
                     if ($customfield instanceof TBGCustomDatatype) {
                         $crit = $this->getCriteria();
                         $crit->addUpdate(self::CUSTOMFIELD_ID, $customfield->getID());
                         $this->doUpdateById($crit, $row->get(self::ID));
                     } else {
                         $this->doDeleteById($row->get(self::ID));
                     }
                 }
             }
             break;
     }
 }
 public function _migrateData(\b2db\Table $old_table)
 {
     switch ($old_table->getVersion()) {
         case 1:
             if ($res = $old_table->doSelectAll()) {
                 $customfields = TBGCustomDatatype::getB2DBTable()->selectAll();
                 while ($row = $res->getNextRow()) {
                     $customfield_id = $row->get(self::CUSTOMFIELDS_ID);
                     $customfield = array_key_exists($customfield_id, $customfields) ? $customfields[$customfield_id] : null;
                     if ($customfield instanceof TBGCustomDatatype && $customfield->hasCustomOptions()) {
                         $customfieldoption = TBGCustomFieldOptionsTable::getTable()->getByValueAndCustomfieldID((int) $row->get(self::OPTION_VALUE), $customfield->getID());
                         if ($customfieldoption instanceof TBGCustomDatatypeOption) {
                             $crit = $this->getCriteria();
                             $crit->addUpdate(self::CUSTOMFIELDOPTION_ID, $customfieldoption->getID());
                             $crit->addUpdate(self::OPTION_VALUE, null);
                             $this->doUpdateById($crit, $row->get(self::ID));
                         } elseif ($row->get(self::ID)) {
                             $this->doDeleteById($row->get(self::ID));
                         }
                     }
                 }
             }
             break;
     }
 }