feat: CheckpointLeaf file Reader

kernel/src/action_reconciliation/log_replay.rs

@@ -31,6 +31,7 @@
 //!      actions selected
 //!
 use crate::engine_data::{FilteredEngineData, GetData, RowVisitor, TypedGetData as _};
+use crate::log_replay::deduplicator::Deduplicator;
 use crate::log_replay::{
     ActionsBatch, FileActionDeduplicator, FileActionKey, HasSelectionVector, LogReplayProcessor,
 };

kernel/src/expressions/column_names.rs

@@ -7,7 +7,7 @@ use std::iter::Peekable;
 use std::ops::Deref;
 
 /// A (possibly nested) column name.
-#[derive(Debug, Clone, Default, PartialEq, PartialOrd, Eq, Ord)]
+#[derive(Debug, Clone, Default, PartialEq, PartialOrd, Eq, Ord, Serialize, Deserialize)]
 pub struct ColumnName {
     path: Vec<String>,
 }
@@ -449,6 +449,7 @@ macro_rules! __joined_column_expr {
 }
 #[doc(inline)]
 pub use __joined_column_expr as joined_column_expr;
+use serde::{Deserialize, Serialize};
 
 #[cfg(test)]
 mod test {