From db9aef286b1ed7adda057c6ca1ce6d1dcc52d45a Mon Sep 17 00:00:00 2001
From: Douglas Raillard <douglas.raillard@arm.com>
Date: Fri, 22 Dec 2023 20:39:37 +0100
Subject: [PATCH] WIP

---
 tools/analysis/trace-tools/src/lib/parquet.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/analysis/trace-tools/src/lib/parquet.rs b/tools/analysis/trace-tools/src/lib/parquet.rs
index 83ba25607b..197e17690c 100644
--- a/tools/analysis/trace-tools/src/lib/parquet.rs
+++ b/tools/analysis/trace-tools/src/lib/parquet.rs
@@ -347,6 +347,8 @@ where
             }
         )?;
 
+        // If there was any error, some columns might have been appended to but others not, so we
+        // cannot finalize the files and we should just bail out.
         events.collect::<Result<_, MainError>>()?;
         eprintln!("COUNT {count}");