Refactor index management and enhance transaction support in OnDiskIndexManager

Author: sachaarbonel

README.md

@@ -89,7 +89,7 @@ fn main() {
 ### Critical for Production (Highest Priority)
 
 #### Real-time Index Management
-- [ ] Real-time index updates with ACID compliance
+- [x] Real-time index updates with ACID compliance
 - [ ] Index consistency verification
 - [ ] Atomic index operations
 - [ ] Index recovery mechanisms

src/indexes/btree/mod.rs

@@ -32,7 +32,11 @@ impl BTreeIndex {
     }
 
     pub fn search(&self, value: Vec<u8>) -> Option<&HashSet<usize>> {
-        self.index.get(&value)
+        println!("BTreeIndex::search - Searching for value: {:?}", value);
+        println!("BTreeIndex::search - Current index contents: {:?}", self.index);
+        let result = self.index.get(&value);
+        println!("BTreeIndex::search - Found result: {:?}", result);
+        result
     }
 
     pub fn range_search(&self, start: Vec<u8>, end: Vec<u8>) -> HashSet<usize> {