fix(client-brc): make sure hashtable is fixed

client-brc/src/brc.rs

 pub mod brc_tree {
+    use std::io::Write;
+
     use indexmap::IndexMap;
 
     #[derive(Debug, Clone)]
@@ -96,5 +98,17 @@ pub mod brc_tree {
             }
             hm
         }
+        
+        pub fn write_structure(&self, mut file: &std::fs::File) -> anyhow::Result<()>{
+            match &self.0 {
+                Some(node) => {
+                    file.write(format!("{},{};", node.min, node.max).as_bytes())?;
+                    node.left.write_structure(file)?;
+                    node.right.write_structure(file)?;
+                }
+                None => {}
+            }
+            Ok(())
+        }
     }
 }

client-brc/src/initialize.rs

@@ -82,11 +82,12 @@ pub fn init(
             .push(record.iter().collect::<Vec<&str>>().join(","));
     }
     debug!("{:?}", hm);
-    let hashtable = brc_tree::from_sorted_list(hm).to_hm();
+    hm.sort_keys();
+    let hashtable = brc_tree::from_sorted_list(hm);
     let mut json: HashMap<String, String> = HashMap::new();
-    let mut file = std::fs::File::create("brc_table.partitions")?;
-    for (key, value) in hashtable.iter() {
-        file.write(format!("{},{};", key.0, key.1).as_bytes())?;
+    let file = std::fs::File::create("brc_table.partitions")?;
+    hashtable.write_structure(&file)?;
+    for (key, value) in hashtable.to_hm().iter() {
         for (counter, record) in value.iter().enumerate() {
             let encrypted = encrypt(&enc_key, record.to_string())?;
             let prfd_key = prf(&prf_key, format!("{:?}", key))?;