From 361e3e1ee6835f58882a53e7ce4bde2459d12975 Mon Sep 17 00:00:00 2001
From: Scott Taylor <scott.c.taylor@mac.com>
Date: Wed, 7 May 2014 03:56:14 +0000
Subject: [PATCH] In `wpdb`, remove dead code:

* In `->tables()`, `break` is unreachable after `return`
* In `->query()`, `$return` is always set, so doesn't need an initial value of `0`
* In `->delete()`, `$bits` is unused

See #27882.

Built from https://develop.svn.wordpress.org/trunk@28339


git-svn-id: http://core.svn.wordpress.org/trunk@28167 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/wp-db.php | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/wp-includes/wp-db.php b/wp-includes/wp-db.php
index 2eaf53e2ed..eed2401e4b 100644
--- a/wp-includes/wp-db.php
+++ b/wp-includes/wp-db.php
@@ -932,7 +932,6 @@ class wpdb {
 				break;
 			default :
 				return array();
-				break;
 		}
 
 		if ( $prefix ) {
@@ -1514,7 +1513,6 @@ class wpdb {
 		 */
 		$query = apply_filters( 'query', $query );
 
-		$return_val = 0;
 		$this->flush();
 
 		// Log how the function was called
@@ -1786,7 +1784,7 @@ class wpdb {
 		if ( ! is_array( $where ) )
 			return false;
 
-		$bits = $wheres = array();
+		$wheres = array();
 
 		$where_formats = $where_format = (array) $where_format;