Method join

crates/execution/src/lib.rs:324–329

(self, with: Self)

    }

    fn join(self, with: Self) -> Self {
        match with {
            Self::Row(ptr) => self.append(ptr),
            Self::Join(ptrs) => ptrs.into_iter().fold(self, |tup, ptr| tup.append(ptr)),
        }
    }
}

pub struct DeltaScanIter<'a> {