function entity_hierarchy_schema in Entity Reference Hierarchy 8

Implements hook_schema().

File

./entity_hierarchy.install, line 10

schema and uninstall functions for the entity_hierarchy module.

Code

function entity_hierarchy_schema() {
  $schema['entity_hierarchy'] = array(
    'description' => 'The hierarchical structure of the nodes.',
    'fields' => array(
      'hid' => array(
        'description' => 'A unique identifier for this relationship.',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'pnid' => array(
        'description' => 'The {node}.nid of the parent.',
        'type' => 'int',
        'not null' => FALSE,
      ),
      'cnid' => array(
        'description' => 'The {node}.nid whose parent is being defined.',
        'type' => 'int',
        'not null' => FALSE,
      ),
      'pweight' => array(
        'description' => 'The weight of the parent.',
        'type' => 'int',
        'not null' => FALSE,
      ),
      'cweight' => array(
        'description' => 'The weight of the child.',
        'type' => 'int',
        'not null' => FALSE,
      ),
      'mlid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => "The node's {menu_links}.mlid if any.",
      ),
    ),
    'primary key' => array(
      'hid',
    ),
  );
  return $schema;
}