liurenjie1024 commented on code in PR #1227:
URL: https://github.com/apache/iceberg-rust/pull/1227#discussion_r2051359067


##########
crates/iceberg/src/spec/manifest_list.rs:
##########
@@ -656,7 +658,29 @@ impl ManifestFile {
     /// Load [`Manifest`].
     ///
     /// This method will also initialize inherited values of 
[`ManifestEntry`], such as `sequence_number`.
-    pub async fn load_manifest(&self, file_io: &FileIO) -> Result<Manifest> {
+    ///
+    /// If `object_cache` is provided, it will be used to cache the manifest.
+    pub async fn load_manifest(

Review Comment:
   > It should be very clear to use None to bypass the ObjectCache.
   
   How about keeping both apis? I'm worrying about breaking public api 
unnecessarily.
   
   > Another idea I have is to extract something like a TableContext that only 
contains the table's runtime context (for now, it's just FileIO and 
ObjectCcache), so it doesn't need to be passed around everywhere.
   
   I also thought about this, but I thought it's a little over design. Another 
idea is to have sth like `ManifestListLoader`/`ManifestLoader`, which could be 
created from table. But these are optional.
   



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