From 78ef621011cf6ce5be7af3f25320c0739b6c6284 Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Wed, 10 Mar 2010 18:37:03 +0000
Subject: [PATCH] Add no_found_rows argument to WP_Query::get_posts() to allow
 forcibly defeating SQL_CALC_FOUND_ROWS. Use no_found_rows for the query in
 get_boundary_post(). fixes #12557

git-svn-id: https://develop.svn.wordpress.org/trunk@13647 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/link-template.php |  2 +-
 wp-includes/query.php         | 10 ++++++++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/wp-includes/link-template.php b/wp-includes/link-template.php
index 5aab248c32..c95fb8ce20 100644
--- a/wp-includes/link-template.php
+++ b/wp-includes/link-template.php
@@ -1158,7 +1158,7 @@ function get_boundary_post($in_same_cat = false, $excluded_categories = '', $sta
 
 	$order = $start ? 'ASC' : 'DESC';
 
-	return get_posts( array('numberposts' => 1, 'order' => $order, 'orderby' => 'ID', 'category' => $categories) );
+	return get_posts( array('numberposts' => 1, 'no_found_rows' => true, 'order' => $order, 'orderby' => 'ID', 'category' => $categories) );
 }
 
 /**
diff --git a/wp-includes/query.php b/wp-includes/query.php
index a3bae6de38..e47a8db21d 100644
--- a/wp-includes/query.php
+++ b/wp-includes/query.php
@@ -1672,6 +1672,12 @@ class WP_Query {
 			$q['page'] = absint($q['page']);
 		}
 
+		// If true, forcibly turns off SQL_CALC_FOUND_ROWS even when limits are present.
+		if ( isset($q['no_found_rows']) )
+			$q['no_found_rows'] = (bool) $q['no_found_rows'];
+		else
+			$q['no_found_rows'] = false;
+
 		// If a month is specified in the querystring, load that month
 		if ( $q['m'] ) {
 			$q['m'] = '' . preg_replace('|[^0-9]|', '', $q['m']);
@@ -2331,7 +2337,7 @@ class WP_Query {
 		if ( !empty( $orderby ) )
 			$orderby = 'ORDER BY ' . $orderby;
 		$found_rows = '';
-		if ( !empty($limits) )
+		if ( !$q['no_found_rows'] && !empty($limits) )
 			$found_rows = 'SQL_CALC_FOUND_ROWS';
 
 		$this->request = " SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
@@ -2356,7 +2362,7 @@ class WP_Query {
 			$this->comment_count = count($this->comments);
 		}
 
-		if ( !empty($limits) ) {
+		if ( !$q['no_found_rows'] && !empty($limits) ) {
 			$found_posts_query = apply_filters( 'found_posts_query', 'SELECT FOUND_ROWS()' );
 			$this->found_posts = $wpdb->get_var( $found_posts_query );
 			$this->found_posts = apply_filters( 'found_posts', $this->found_posts );