From 4482d000ba0e04ba5ebbc6a80f01ed0da41d439c Mon Sep 17 00:00:00 2001
From: Boone Gorges <boonebgorges@git.wordpress.org>
Date: Sun, 26 Oct 2014 16:45:37 +0000
Subject: [PATCH] Fix 'count' in `WP_Comment_Query` when using 'meta_query'.

Props heshiming, desaiuditd.
Fixes #23369.

git-svn-id: https://develop.svn.wordpress.org/trunk@30026 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/comment.php           |  5 +++-
 tests/phpunit/tests/comment/query.php | 36 +++++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/src/wp-includes/comment.php b/src/wp-includes/comment.php
index c5776512c0..8de3608f93 100644
--- a/src/wp-includes/comment.php
+++ b/src/wp-includes/comment.php
@@ -559,7 +559,10 @@ class WP_Comment_Query {
 			$clauses = $this->meta_query->get_sql( 'comment', $wpdb->comments, 'comment_ID', $this );
 			$join .= $clauses['join'];
 			$where .= $clauses['where'];
-			$groupby = "{$wpdb->comments}.comment_ID";
+
+			if ( ! $this->query_vars['count'] ) {
+				$groupby = "{$wpdb->comments}.comment_ID";
+			}
 		}
 
 		$date_query = $this->query_vars['date_query'];
diff --git a/tests/phpunit/tests/comment/query.php b/tests/phpunit/tests/comment/query.php
index db171759a0..b857e46784 100644
--- a/tests/phpunit/tests/comment/query.php
+++ b/tests/phpunit/tests/comment/query.php
@@ -613,4 +613,40 @@ class Tests_Comment_Query extends WP_UnitTestCase {
 
 		$this->assertNotContains( 'ORDER BY', $q->request );
 	}
+
+	public function test_count() {
+		$c1 = $this->factory->comment->create( array( 'comment_post_ID' => $this->post_id, 'user_id' => 7 ) );
+		$c2 = $this->factory->comment->create( array( 'comment_post_ID' => $this->post_id, 'user_id' => 7 ) );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'count' => true,
+		) );
+
+		$this->assertEquals( 2, $found );
+	}
+
+	/**
+	 * @ticket 23369
+	 */
+	public function test_count_with_meta_query() {
+		$c1 = $this->factory->comment->create( array( 'comment_post_ID' => $this->post_id, 'user_id' => 7 ) );
+		$c2 = $this->factory->comment->create( array( 'comment_post_ID' => $this->post_id, 'user_id' => 7 ) );
+		$c3 = $this->factory->comment->create( array( 'comment_post_ID' => $this->post_id, 'user_id' => 7 ) );
+		add_comment_meta( $c1, 'foo', 'bar' );
+		add_comment_meta( $c3, 'foo', 'bar' );
+
+		$q = new WP_Comment_Query();
+		$found = $q->query( array(
+			'count' => true,
+			'meta_query' => array(
+				array(
+					'key' => 'foo',
+					'value' => 'bar',
+				),
+			),
+		) );
+
+		$this->assertEquals( 2, $found );
+	}
 }