function system_update_7018 in Drupal 7

Shorten the {system}.type column and modify indexes.

Related topics

File

modules/system/system.install, line 2218

Install, update and uninstall functions for the system module.

Code

function system_update_7018() {
  db_drop_index('system', 'modules');
  db_drop_index('system', 'type_name');
  db_change_field('system', 'type', 'type', array(
    'type' => 'varchar',
    'length' => 12,
    'not null' => TRUE,
    'default' => '',
  ));
  db_add_index('system', 'type_name', array(
    'type',
    'name',
  ));
}