Index: imagecache.install
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/imagecache/imagecache.install,v
retrieving revision 1.22
diff -u -p -r1.22 imagecache.install
--- imagecache.install	22 Dec 2008 00:01:19 -0000	1.22
+++ imagecache.install	5 Jan 2009 21:18:48 -0000
@@ -198,6 +198,7 @@ function imagecache_update_4() {
     case 'mysql':
     case 'mysqli':
       $ret[] = update_sql("ALTER TABLE {imagecache_action} ADD COLUMN action varchar(255) not null default '' after weight");
+      break;
     case 'pgsql':
       $ret[] = update_sql("ALTER TABLE {imagecache_action} ADD COLUMN action varchar(255) NOT NULL DEFAULT ''");
       break;
@@ -244,3 +245,32 @@ function imagecache_update_5() {
 
   return array();
 }
+
+/**
+ * Upgrade from Drupal 5 => Drupal 6.
+ * Use serial data type for primary keys.  Add module field and presetid index.
+ */
+function imagecache_update_6000() {
+  $ret = array();
+  $schema = imagecache_schema();
+  
+  // Update primary keys to serial type for Drupal 6
+  $tables = array(
+    'imagecache_preset' => 'presetid',
+    'imagecache_action' => 'actionid',
+  );
+  foreach ($tables as $table => $field) {
+    db_drop_primary_key($ret, $table);
+    db_change_field($ret, $table, $field, $field, $schema[$table]['fields'][$field], array('primary key' => array($field)));
+    $ret[] = update_sql("DELETE FROM {sequences} WHERE name = '{{$table}}_{$field}'");
+  }
+
+  // Add 'module' column to action table and set module to imagecache
+  db_add_field($ret, 'imagecache_action', 'module', $schema['imagecache_action']['fields']['module']);
+  $ret[] = update_sql("UPDATE {imagecache_action} set module = 'imagecache'");
+  
+  // Add 'presetid' index to action table
+  db_add_index($ret, 'imagecache_action', 'presetid', array('presetid'));
+  
+  return $ret;
+}