From 660d3e8d070d1ba099dfafe8cf6e87f055ad980f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Ko=C5=82odziej?= <kacper@sfinae.dev>
Date: Tue, 10 Dec 2024 22:48:50 +0100
Subject: [PATCH] fix: count characters in string in length function

`length` function should count characters, not bytes.

https://www.sqlite.org/lang_corefunc.html#length
---
 core/vdbe/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/vdbe/mod.rs b/core/vdbe/mod.rs
index a42b449cd..191d66684 100644
--- a/core/vdbe/mod.rs
+++ b/core/vdbe/mod.rs
@@ -2537,7 +2537,7 @@ fn exec_lower(reg: &OwnedValue) -> Option<OwnedValue> {
 fn exec_length(reg: &OwnedValue) -> OwnedValue {
     match reg {
         OwnedValue::Text(_) | OwnedValue::Integer(_) | OwnedValue::Float(_) => {
-            OwnedValue::Integer(reg.to_string().len() as i64)
+            OwnedValue::Integer(reg.to_string().chars().count() as i64)
         }
         OwnedValue::Blob(blob) => OwnedValue::Integer(blob.len() as i64),
         OwnedValue::Agg(aggctx) => exec_length(aggctx.final_value()),