all

src/btree.rs

@@ -226,6 +226,35 @@ where
             }
         }
     }
+
+    pub fn dump_records(&mut self) {
+        let mut loc = self.leftmost_leaf();
+
+        while let Some(Node::Leaf(leaf)) = self.storage.read_node(loc) {
+            for record in &leaf.values {
+                println!("{:?}", record);
+            }
+
+            match leaf.next {
+                Some(next) => loc = next,
+                None => break,
+            }
+        }
+    }
+
+    fn leftmost_leaf(&mut self) -> usize {
+        let mut loc = self.header.root;
+
+        loop {
+            match self.storage.read_node(loc) {
+                Some(Node::Internal(internal)) => {
+                    loc = internal.children[0];
+                }
+                Some(Node::Leaf(_)) => return loc,
+                _ => panic!("Corrupt tree"),
+            }
+        }
+    }
 }
 
 #[cfg(test)]

src/main.rs

@@ -51,6 +51,11 @@ fn repl(tree: &mut BPlusTree<FileStorage>) {
             continue;
         }
 
+        if input == "all" {
+            tree.dump_records();
+            continue;
+        }
+
         match handle_command(tree, input) {
             Ok(()) => {}
             Err(err) => println!("Error: {}", err),