That is why a query that successfully returns no items can be represented as Ok(None).
A successful query with items returned would instead be Ok(Vec<Item>).
An error in the completing the query (for example, problem with the database), would be Err(DatabaseError) or Err(SomeOtherError).
That is why a query that successfully returns no items can be represented as Ok(None).
A successful query with items returned would instead be Ok(Vec<Item>).
An error in the completing the query (for example, problem with the database), would be Err(DatabaseError) or Err(SomeOtherError).