From ac14a34a0c6e6de428f9cde326b65a56f69f7d46 Mon Sep 17 00:00:00 2001
From: taniabogatsch <44262898+taniabogatsch@users.noreply.github.com>
Date: Tue, 18 Jun 2024 10:43:30 +0200
Subject: [PATCH] comment

---
 data_chunk.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/data_chunk.go b/data_chunk.go
index 99285dea..966ac329 100644
--- a/data_chunk.go
+++ b/data_chunk.go
@@ -40,6 +40,8 @@ func (chunk *DataChunk) SetValue(colIdx int, rowIdx int, val any) error {
 	column := &chunk.columns[colIdx]
 
 	// Ensure that the types match before attempting to set anything.
+	// This is done to prevent failures 'halfway through' writing column values,
+	// potentially corrupting data in that column.
 	v, err := column.tryCast(val)
 	if err != nil {
 		return columnError(err, colIdx)