#111127 by chx: cache node_load(), so heavy operations loading data from external sources and only invoked once (note that you should do everything dynamic in the view op, not the load op)

2 files changed, 25 insertions, 0 deletions

diff --git a/modules/system/system.install b/modules/system/system.install
index ca4412853..b07441ec9 100644
--- a/modules/system/system.install
+++ b/modules/system/system.install
@@ -3527,6 +3527,30 @@ function system_update_6027() {
 }
 
 /**
+ * Add the node load cache table.
+ */
+function system_update_6028() {
+  $ret = array();
+
+  // Create the cache_node table.
+  $schema['cache_node'] = array(
+    'fields' => array(
+      'cid'        => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
+      'data'       => array('type' => 'blob', 'not null' => FALSE, 'size' => 'big'),
+      'expire'     => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
+      'created'    => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
+      'headers'    => array('type' => 'text', 'not null' => FALSE),
+      'serialized' => array('type' => 'int', 'size' => 'small', 'not null' => TRUE, 'default' => 0)
+    ),
+    'indexes' => array('expire' => array('expire')),
+    'primary key' => array('cid'),
+  );
+  db_create_table($ret, 'cache_node', $schema['cache_node']);
+
+  return $ret;
+}
+
+/**
  * @} End of "defgroup updates-5.x-to-6.x"
  * The next series of updates should start at 7000.
  */
diff --git a/modules/system/system.module b/modules/system/system.module
index 7771a8536..87395ad88 100644
--- a/modules/system/system.module
+++ b/modules/system/system.module
@@ -1868,6 +1868,7 @@ function system_modules_submit($form, &$form_state) {
     node_types_rebuild();
     menu_rebuild();
     cache_clear_all('schema', 'cache');
+    cache_clear_all('*', 'cache_node', TRUE);
     drupal_set_message(t('The configuration options have been saved.'));
   }