Rename and patch comments

Author: OussamaSaoudi-db

kernel/src/table_changes/log_replay.rs

@@ -119,14 +119,8 @@ struct LogReplayScanner {
     // The commit file that this replay scanner will operate on.
     commit_file: ParsedLogPath,
     // The timestamp associated with this commit. This is the file modification time
-    // from the commit's [`FileMeta`].
-    //
-    //
-    // TODO when incommit timestamps are supported: If there is a [`CommitInfo`] with a timestamp
+    // from the commit's [`FileMeta`]. If there is a [`CommitInfo`] with a timestamp
     // generated by in-commit timestamps, that timestamp will be used instead.
-    //
-    // Note: This will be used once an expression is introduced to transform the engine data in
-    // [`TableChangesScanData`]
     timestamp: i64,
 }
 
@@ -361,11 +355,11 @@ impl RowVisitor for PreparePhaseVisitor<'_> {
                 let protocol =
                     ProtocolVisitor::visit_protocol(i, min_reader_version, &getters[12..=15])?;
                 self.protocol = Some(protocol);
-            } else if let Some(timestamp) =
+            } else if let Some(in_commit_timestamp) =
                 getters[16].get_long(i, "commitInfo.inCommitTimestamp")?
             {
                 if self.is_first_batch && i == 0 {
-                    *self.commit_timestamp = timestamp;
+                    *self.commit_timestamp = in_commit_timestamp;
                 }
             }
         }