class UpdateQuery_sqlite

class UpdateQuery_sqlite extends UpdateQuery {
    public function execute() {
        if (!empty($this->queryOptions['sqlite_return_matched_rows'])) {
            return parent::execute();
        }
        // Get the fields used in the update query.
        $fields = $this->expressionFields + $this->fields;
        // Add the inverse of the fields to the condition.
        $condition = new DatabaseCondition('OR');
        foreach ($fields as $field => $data) {
            if (is_array($data)) {
                // The field is an expression.
                $condition->where($field . ' <> ' . $data['expression']);
                $condition->isNull($field);
            }
            elseif (!isset($data)) {
                // The field will be set to NULL.
                $condition->isNotNull($field);
            }
            else {
                $condition->condition($field, $data, '<>');
                $condition->isNull($field);
            }
        }
        if (count($condition)) {
            $condition->compile($this->connection, $this);
            $this->condition
                ->where((string) $condition, $condition->arguments());
        }
        return parent::execute();
    }

}