Ticket #5377: defer-taxonomy-counts-r6340.patch

wordpress/wp-includes/taxonomy.php

@@ -1318 +1318 @@
         return array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id);
 }
 
+// enable or disable term count deferring
+// if no value is supplied, the current value of the defer setting is returned
+function wp_defer_term_counting($defer=NULL) {
+        static $_defer = false;
+        
+        if ( is_bool($defer) ) {
+                $_defer = $defer;
+                // flush any deferred counts
+                if ( !$defer )
+                        wp_update_term_count( NULL, NULL, true );
+        }
+        
+        return $_defer;
+}
+
 /**
  * wp_update_term_count() - Updates the amount of terms in taxonomy
  * 
@@ -1335 +1350 @@
  * @param string $taxonomy The context of the term.
  * @return bool If no terms will return false, and if successful will return true.
  */
-function wp_update_term_count( $terms, $taxonomy ) {
-        global $wpdb;
+function wp_update_term_count( $terms, $taxonomy, $do_deferred=false ) {
+        static $_deferred = array();
 
+        if ( $do_deferred ) {
+                foreach ( array_keys($_deferred) as $tax ) {
+                        wp_update_term_count_now( $_deferred[$tax], $tax );
+                        unset( $_deferred[$tax] );
+                }
+        }
+
         if ( empty($terms) )
                 return false;
 
         if ( !is_array($terms) )
                 $terms = array($terms);
 
+        if ( wp_defer_term_counting() ) {
+                if ( !isset($_deferred[$taxonomy]) )
+                        $_deferred[$taxonomy] = array();
+                $_deferred[$taxonomy] = array_unique( array_merge($_deferred[$taxonomy], $terms) );
+                return true;
+        }
+        
+        return wp_update_term_count_now( $terms, $taxonomy );
+}
+
+function wp_update_term_count_now( $terms, $taxonomy ) {
+        global $wpdb;
+
         $terms = array_map('intval', $terms);
 
         $taxonomy = get_taxonomy($taxonomy);