From: Brad Jorsch <bjorsch@wikimedia.org>
Date: Wed, 28 Aug 2019 20:34:30 +0000 (-0400)
Subject: ApiQueryCategories: Supply limit for DB query
X-Git-Tag: 1.34.0-rc.0~436
X-Git-Url: http://git.cyclocoop.org/%7B%7B%20url_for%28%27admin_vote_add%27%29%20%7D%7D?a=commitdiff_plain;h=d458953f205f20c6c3c297284a4aa584ad15faf4;p=lhc%2Fweb%2Fwiklou.git

ApiQueryCategories: Supply limit for DB query

The limit is applied in PHP, but all matching rows are being fetched
from the database. We should only fetch the number of rows needed.

Bug: T231462
Change-Id: Ie64ea6f79a187942c476868c383a1349d110aa7c
---

diff --git a/includes/api/ApiQueryCategories.php b/includes/api/ApiQueryCategories.php
index 547a4e89db..79347e625a 100644
--- a/includes/api/ApiQueryCategories.php
+++ b/includes/api/ApiQueryCategories.php
@@ -127,6 +127,7 @@ class ApiQueryCategories extends ApiQueryGeneratorBase {
 				'cl_to' . $sort
 			] );
 		}
+		$this->addOption( 'LIMIT', $params['limit'] + 1 );
 
 		$res = $this->select( __METHOD__ );