From aa919cd160edb239f8b0665361cee1c7aa0761ab Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov.ru@gmail.com>
Date: Tue, 10 Dec 2019 13:47:00 +0000
Subject: [PATCH] Comments: Optimize the query for pending comments count in
 `wp_notify_moderator()` for better performance on large tables.

Props sgoen.
Fixes #48514.
Built from https://develop.svn.wordpress.org/trunk@46878


git-svn-id: http://core.svn.wordpress.org/trunk@46678 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/pluggable.php | 2 +-
 wp-includes/version.php   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/wp-includes/pluggable.php b/wp-includes/pluggable.php
index 3b81242f4d..5edef2d0c5 100644
--- a/wp-includes/pluggable.php
+++ b/wp-includes/pluggable.php
@@ -1739,7 +1739,7 @@ if ( ! function_exists( 'wp_notify_moderator' ) ) :
 			$comment_author_domain = gethostbyaddr( $comment->comment_author_IP );
 		}
 
-		$comments_waiting = $wpdb->get_var( "SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'" );
+		$comments_waiting = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_approved = '0'" );
 
 		// The blogname option is escaped with esc_html on the way into the database in sanitize_option
 		// we want to reverse this for the plain text arena of emails.
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 8ba4f065dc..7730b1bb1c 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.4-alpha-46874';
+$wp_version = '5.4-alpha-46878';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.