system_schema_cache_7054

The cache schema corresponding to system_update_7054.

Drupal 7 adds several new cache tables. Since they all have identical schema this helper function allows them to re-use the same definition, without relying on system_schema(), which may change with future updates.

6 calls to system_schema_cache_7054()

File

modules/system/system.install, line 1631

Install, update and uninstall functions for the system module.

Code

function system_schema_cache_7054() {
  return array(
    'description' => 'Generic cache table for caching things not separated out into their own tables. Contributed modules may also use this to store cached items.', 
    'fields' => array(
      'cid' => array(
        'description' => 'Primary Key: Unique cache ID.', 
        'type' => 'varchar', 
        'length' => 255, 
        'not null' => TRUE, 
        'default' => '',
      ), 
      'data' => array(
        'description' => 'A collection of data to cache.', 
        'type' => 'blob', 
        'not null' => FALSE, 
        'size' => 'big',
      ), 
      'expire' => array(
        'description' => 'A Unix timestamp indicating when the cache entry should expire, or 0 for never.', 
        'type' => 'int', 
        'not null' => TRUE, 
        'default' => 0,
      ), 
      'created' => array(
        'description' => 'A Unix timestamp indicating when the cache entry was created.', 
        'type' => 'int', 
        'not null' => TRUE, 
        'default' => 0,
      ), 
      'serialized' => array(
        'description' => 'A flag to indicate whether content is serialized (1) or not (0).', 
        'type' => 'int', 
        'size' => 'small', 
        'not null' => TRUE, 
        'default' => 0,
      ),
    ), 
    'indexes' => array(
      'expire' => array('expire'),
    ), 
    'primary key' => array('cid'),
  );
}