nat.install in Node Auto Term [NAT] 6

File

nat.install

<?php

/*
 * @file
 * NAT - node auto term - install file.
 */

/**
 * Implementation of hook_install().
 */
function nat_install() {
  drupal_install_schema('nat');
  $t = get_t();
  drupal_set_message($t('NAT module: Installation script complete.'));
}

/**
 * Implementation of hook_install().
 */
function nat_schema() {
  $schema['nat'] = array(
    'description' => 'NAT module: establish relationship between nids and tids.',
    'fields' => array(
      'nid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'description' => 'Index: Node ID.',
      ),
      'tid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'description' => 'Term ID.',
      ),
      'vid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'description' => 'Vocabulary ID.',
      ),
    ),
    'indexes' => array(
      'nid' => array(
        'nid',
      ),
    ),
  );
  return $schema;
}

/**
 * Add a vid column to the NAT table.
 */
function nat_update_2() {
  switch ($GLOBALS['db_type']) {
    case 'mysqli':
    case 'mysql':
      $ret[] = update_sql("ALTER TABLE {nat} ADD vid int NOT NULL DEFAULT 0");
      break;
    case 'pgsql':
      db_add_column($ret, 'nat', 'vid', 'int', array(
        'not null' => TRUE,
        'default' => 0,
      ));
      break;
  }
  $result = db_query('SELECT n.nid, n.tid, td.vid FROM {nat} n INNER JOIN {term_data} td USING (tid)');
  while ($node = db_fetch_array($result)) {
    db_query('UPDATE {nat} SET vid = %d WHERE nid = %d AND tid = %d', $node['vid'], $node['nid'], $node['tid']);
  }
  return $ret;
}

/**
 * Implementation of hook_uninstall().
 */
function nat_uninstall() {
  variable_del('nat_config');
  drupal_uninstall_schema('nat');
  $t = get_t();
  drupal_set_message($t('NAT module: Uninstallation script complete.'));
}

Functions

Name	Description
nat_install	Implementation of hook_install().
nat_schema	Implementation of hook_install().
nat_uninstall	Implementation of hook_uninstall().
nat_update_2	Add a vid column to the NAT table.