avantgardnerio commented on code in PR #2348:
URL: 
https://github.com/apache/datafusion-ballista/pull/2348#discussion_r3833706814


##########
ballista/core/src/serde/mod.rs:
##########
@@ -190,49 +185,12 @@ impl<T: 'static + AsLogicalPlan, U: 'static + 
AsExecutionPlan> BallistaCodec<T,
 #[derive(Debug)]
 pub struct BallistaLogicalExtensionCodec {
     default_codec: Arc<dyn LogicalExtensionCodec>,
-    file_format_codecs: Vec<Arc<dyn LogicalExtensionCodec>>,
-}
-
-impl BallistaLogicalExtensionCodec {
-    /// looks for a codec which can operate on this node
-    /// returns a position of codec in the list and result.
-    ///
-    /// position is important with encoding process
-    /// as position of used codecs is needed
-    /// so the same codec can be used for decoding
-    fn try_any<R>(
-        &self,
-        mut f: impl FnMut(&dyn LogicalExtensionCodec) -> Result<R>,
-    ) -> Result<(u32, R)> {
-        let mut last_err = None;

Review Comment:
   Makes me wonder if it should just be the hash of the protobuf, or a git SHA. 
Not advocating for either, just thinking out loud.



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