From fa4b2c15f27edf8d6b8c88b451e23824ddec928c Mon Sep 17 00:00:00 2001
From: Adam Johnson <me@adamj.eu>
Date: Thu, 23 Dec 2021 06:54:06 +0100
Subject: [PATCH] Refs #33355 -- Optimized LPad() database function on SQLite.

Co-Authored-By: Nick Pope <nick@nickpope.me.uk>
---
 django/db/backends/sqlite3/base.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/django/db/backends/sqlite3/base.py b/django/db/backends/sqlite3/base.py
index 39e3e43e473..7ec6466b1b5 100644
--- a/django/db/backends/sqlite3/base.py
+++ b/django/db/backends/sqlite3/base.py
@@ -615,9 +615,10 @@ def _sqlite_regexp(re_pattern, re_string):
 
 @none_guard
 def _sqlite_lpad(text, length, fill_text):
-    if len(text) >= length:
+    delta = length - len(text)
+    if delta <= 0:
         return text[:length]
-    return (fill_text * length)[:length - len(text)] + text
+    return (fill_text * length)[:delta] + text
 
 
 @none_guard