protected function deleteEntityFinish(array $listTitle, $table) { if ($table && $listTitle) { try { $this->countItemsDeleted += $this->_connection->delete($this->_connection->getTableName($table), $this->_connection->quoteInto('customer_group_code IN (?)', $listTitle)); return true; } catch (\Exception $e) { return false; } } else { return false; } }