}

	return b, nil
}

// AggregateRow - aggregates the input record. Applies only to
// aggregation queries.
func (e *SelectStatement) AggregateRow(input Record) error {
	ok, err := e.isPassingWhereClause(input)
	if err != nil {
		return err
	}
	if !ok {
		return nil
	}

	for _, expr := range e.selectAST.Expression.Expressions {
		err := expr.aggregateRow(input, e.tableAlias)
		if err != nil {