From a55bd7686c3c00fdfc5a21478d284742760fc6ff Mon Sep 17 00:00:00 2001
From: Marcin Kurczewski <mkurczew@gmail.com>
Date: Thu, 6 Nov 2014 19:52:40 +0100
Subject: [PATCH] Improved performance of comment searching

---
 src/Upgrades/Upgrade28.php | 12 ++++++++++++
 src/di.php                 |  1 +
 2 files changed, 13 insertions(+)
 create mode 100644 src/Upgrades/Upgrade28.php

diff --git a/src/Upgrades/Upgrade28.php b/src/Upgrades/Upgrade28.php
new file mode 100644
index 00000000..a2eb9bef
--- /dev/null
+++ b/src/Upgrades/Upgrade28.php
@@ -0,0 +1,12 @@
+<?php
+namespace Szurubooru\Upgrades;
+use Szurubooru\DatabaseConnection;
+
+class Upgrade28 implements IUpgrade
+{
+	public function run(DatabaseConnection $databaseConnection)
+	{
+		$pdo = $databaseConnection->getPDO();
+		$pdo->exec('CREATE INDEX idx_comments_postId ON comments(postId)');
+	}
+}
diff --git a/src/di.php b/src/di.php
index 1b6b3dae..bd4145cd 100644
--- a/src/di.php
+++ b/src/di.php
@@ -43,6 +43,7 @@ return [
 			$container->get(\Szurubooru\Upgrades\Upgrade25::class),
 			$container->get(\Szurubooru\Upgrades\Upgrade26::class),
 			$container->get(\Szurubooru\Upgrades\Upgrade27::class),
+			$container->get(\Szurubooru\Upgrades\Upgrade28::class),
 		];
 	}),