fn rename_conflicting_columns(&mut self) {
        let conflicts = self.get_conflicting_columns();
        for c in conflicts {
            self.rename_fields(&c);
        }
    }
/// rename the fields that has a conflicting column
rename the fields that has a conflicting column
rename the fields that has a conflicting column
fn rename_conflicting_columns(&mut self) {
        let conflicts = self.get_conflicting_columns();
        for c in conflicts {
            self.rename_fields(&c);
        }
    }
fn rename_conflicting_columns ( & mut self ) { let conflicts = self . get_conflicting_columns ( ) ; for c in conflicts { self . rename_fields ( & c ) ; } }
rename the fields that has a conflicting column
rename the fields that has a conflicting column
&mut self
&mut self