Ticket #16703: 16703.diff

wp-includes/query.php

@@ -2147 +2147 @@
                 $search = apply_filters_ref_array('posts_search', array( $search, &$this ) );
 
                 // Taxonomies
-                $this->parse_tax_query( $q );
+                if ( !$this->is_singular ) {
+                        $this->parse_tax_query( $q );
 
-                $clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' );
+                        $clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' );
 
-                $join .= $clauses['join'];
-                $where .= $clauses['where'];
+                        $join .= $clauses['join'];
+                        $where .= $clauses['where'];
+                }
 
                 if ( $this->is_tax ) {
                         if ( empty($post_type) ) {