Function toql_mysql::insert_many

pub fn insert_many<'a, I, T>(
    entities: I, 
    conn: &mut Conn
) -> Result<u64, ToqlError> where
    I: Iterator<Item = &'a T> + 'a,
    T: 'a + Indelup<'a, T>, 

Insert a collection of structs.

Skip fields in struct that are auto generated with #[toql(skip_inup)]. Returns the last generated id