From b45781a6659e186f85509a83b3678d4701221cc6 Mon Sep 17 00:00:00 2001
From: Justin Meiners <justinm@passivelogic.com>
Date: Mon, 9 May 2022 15:06:50 -0600
Subject: [PATCH] Improve string quote performance

---
 Sources/SQLite/Helpers.swift | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/Sources/SQLite/Helpers.swift b/Sources/SQLite/Helpers.swift
index d4c6828e..e3d37e11 100644
--- a/Sources/SQLite/Helpers.swift
+++ b/Sources/SQLite/Helpers.swift
@@ -54,12 +54,17 @@ extension Optional: _OptionalType {
 let SQLITE_TRANSIENT = unsafeBitCast(-1, to: sqlite3_destructor_type.self)
 
 extension String {
-
     func quote(_ mark: Character = "\"") -> String {
-        let escaped = reduce("") { string, character in
-            string + (character == mark ? "\(mark)\(mark)" : "\(character)")
+        var quoted = ""
+        quoted.append(mark)
+        for character in self {
+            quoted.append(character)
+            if character == mark {
+                quoted.append(character)
+            }
         }
-        return "\(mark)\(escaped)\(mark)"
+        quoted.append(mark)
+        return quoted
     }
 
     func join(_ expressions: [Expressible]) -> Expressible {