From 0d0902e9e86f14d1055162b6a3dcbd3ca579e527 Mon Sep 17 00:00:00 2001
From: dd32 <dd32@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Sun, 18 Apr 2010 06:08:40 +0000
Subject: [PATCH] Delete old hierarchical taxonomy children cache' on upgrade.
 Fixes #11866

git-svn-id: http://svn.automattic.com/wordpress/trunk@14138 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/includes/upgrade.php | 6 ++++++
 wp-includes/version.php       | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/wp-admin/includes/upgrade.php b/wp-admin/includes/upgrade.php
index 693b0d9cc..739bf7918 100644
--- a/wp-admin/includes/upgrade.php
+++ b/wp-admin/includes/upgrade.php
@@ -1114,6 +1114,12 @@ function upgrade_300() {
 			add_site_option( 'siteurl', '' );
 	}
 
+	// #11866 (Convert the taxonomy children cache into a transient) - Remove old cache.
+	if ( $wp_current_db_version < 14138 ) {
+		foreach ( get_taxonomies( array('hierarchical' => true) )  as $taxonomy )
+			delete_option($taxonomy . '_children');
+	}
+
 	// 3.0-alpha nav menu postmeta changes. can be removed before release. // r13802
 	if ( $wp_current_db_version >= 13226 && $wp_current_db_version < 13974 )
 		$wpdb->query( "DELETE FROM $wpdb->postmeta WHERE meta_key IN( 'menu_type', 'object_id', 'menu_new_window', 'menu_link', '_menu_item_append', 'menu_item_append', 'menu_item_type', 'menu_item_object_id', 'menu_item_target', 'menu_item_classes', 'menu_item_xfn', 'menu_item_url' )" );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 2a81c505d..641aa97e4 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -15,7 +15,7 @@ $wp_version = '3.0-beta1';
  *
  * @global int $wp_db_version
  */
-$wp_db_version = 14101;
+$wp_db_version = 14138;
 
 /**
  * Holds the TinyMCE version