From fba24969b6dd34544ed21b3729c67e440a5fc6e0 Mon Sep 17 00:00:00 2001
From: Finn Bear <finnbearlabs@gmail.com>
Date: Fri, 22 Sep 2023 12:43:20 -0700
Subject: [PATCH] Bugfix - parse error for invalid leading whitespace. (#2703)

---
 lib/src/sql/error/render.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/src/sql/error/render.rs b/lib/src/sql/error/render.rs
index ec6fcf3f..af76cd4b 100644
--- a/lib/src/sql/error/render.rs
+++ b/lib/src/sql/error/render.rs
@@ -73,7 +73,8 @@ impl Snippet {
 	fn truncate_line(mut line: &str, around_offset: usize) -> (&str, Truncation, usize) {
 		let full_line_length = line.chars().count();
 		line = line.trim_start();
-		let mut offset = around_offset - (full_line_length - line.chars().count());
+		// Saturate in case the error ocurred in invalid leading whitespace.
+		let mut offset = around_offset.saturating_sub(full_line_length - line.chars().count());
 		line = line.trim_end();
 		let mut truncation = Truncation::None;