function content_type_update in Content Construction Kit (CCK) 5

Same name and namespace in other branches

1. 6.3 includes/content.crud.inc \content_type_update()
2. 6 includes/content.crud.inc \content_type_update()
3. 6.2 includes/content.crud.inc \content_type_update()

Make changes needed when an existing content type is updated.

Parameters

$info: value supplied by hook_node_type()

1 call to content_type_update()

content_node_type in ./content.module

Implementation of hook_node_type() React to change in node types

File

./content_crud.inc, line 144

Create/Read/Update/Delete functions for CCK-defined object types.

Code

function content_type_update($info) {
  if (!empty($info->old_type) && $info->old_type != $info->type) {

    // rename the content type in all fields that use changed content type.
    db_query("UPDATE {node_field_instance} SET type_name='%s' WHERE type_name='%s'", array(
      $info->type,
      $info->old_type,
    ));

    // Rename the content fields table to match new content type name.
    $old_type = content_types($info->old_type);
    $old_name = _content_tablename($old_type['type'], CONTENT_DB_STORAGE_PER_CONTENT_TYPE);
    $new_name = _content_tablename($info->type, CONTENT_DB_STORAGE_PER_CONTENT_TYPE);
    if (db_table_exists($old_name)) {
      switch ($GLOBALS['db_type']) {
        case 'mysql':
        case 'mysqli':
          db_query("RENAME TABLE {" . $old_name . "} TO {" . $new_name . "}");
          break;
        case 'pgsql':
          db_query("ALTER TABLE {" . $old_name . "} RENAME TO {" . $new_name . "}");
          break;
      }
      drupal_set_message(t('Content fields table %old_name has been renamed to %new_name and field instances have been updated.', array(
        '%old_name' => $old_name,
        '%new_name' => $new_name,
      )));
    }
  }

  // reset all content type info.
  content_clear_type_cache();
}