default handle

cozorocks/bridge/cozorocks.h

@@ -432,6 +432,10 @@ struct TDBBridge {
         }
     }
 
+    inline shared_ptr<ColumnFamilyHandle> get_default_cf_handle_raw() const {
+        return handles.at("default");
+    }
+
     inline shared_ptr<ColumnFamilyHandle>
     create_column_family_raw(const Options &options, const string &name, BridgeStatus &status) const {
         {

cozorocks/src/bridge.rs

@@ -158,6 +158,7 @@ mod ffi {
                                raw_r_ops: UniquePtr<ReadOptions>,
                                txn_options: UniquePtr<OptimisticTransactionOptions>) -> UniquePtr<TransactionBridge>;
         fn get_cf_handle_raw(self: &TDBBridge, name: &CxxString) -> SharedPtr<ColumnFamilyHandle>;
+        fn get_default_cf_handle_raw(self: &TDBBridge) -> SharedPtr<ColumnFamilyHandle>;
         fn create_column_family_raw(self: &TDBBridge, options: &Options, name: &CxxString, status: &mut BridgeStatus) -> SharedPtr<ColumnFamilyHandle>;
         fn drop_column_family_raw(self: &TDBBridge, name: &CxxString, status: &mut BridgeStatus);
         fn get_column_family_names_raw(self: &TDBBridge) -> UniquePtr<CxxVector<CxxString>>;

cozorocks/src/lib.rs

@@ -596,6 +596,10 @@ impl DBPtr {
         }
     }
     #[inline]
+    pub fn default_cf(&self) -> SharedPtr<ColumnFamilyHandle> {
+        self.get_default_cf_handle_raw()
+    }
+    #[inline]
     pub fn create_cf(&self, options: &OptionsPtr, name: impl AsRef<str>) -> Result<SharedPtr<ColumnFamilyHandle>> {
         let_cxx_string!(name = name.as_ref());
         let mut status = BridgeStatus::default();