In propel there is this doUpdate function, that will return the numbers of affected rows by this query.

The question is, if there is no need to update the row ( because the set value is already the same as the field value), will those rows counted as the affected row?

Take for example, I have the following table:

ID | Name  | Books
1  | S1oon | Me
2  | S1oon | Me

Let's assume that I write a ORM function of the equivalent of the following query:

update `new table` set
Books='Me'
where Name='S1oon';

What will the doUpdate result return? Will it return 0 ( because all the Books column are already Me, hence there is no need to update), or will it be 2 ( because there are 2 rows that fulfill the where condition) ?