Issue #1916316 by Simon Georges, pounard: Performance and hook_node_load().

 * Implement hook_node_load().

 */

function simple_access_node_load($nodes, $types) {

  foreach ($nodes as $node) {

    if ($row = db_select('simple_access_owner', 'o')->fields('o', array('sa_view', 'sa_update', 'sa_delete'))->condition('nid', $node->nid)->execute()->fetchAssoc()) {

      $node->simple_access_owner = $row;

    }

    else {

      $node->simple_access_owner = array('sa_view' => 0, 'sa_update' => 0, 'sa_delete' => 0);

  $nids = array();

  foreach ($nodes as $nid => $node) {

    $nids[] = $nid;

    $node->simple_access = array();

    $node->simple_access_profiles = array();

  }

    $node->simple_access = db_select('simple_access_node', 'na')

      ->fields('na', array('gid', 'sa_view', 'sa_update', 'sa_delete'))

      ->condition('nid', $node->nid)

  $owners = db_select('simple_access_owner', 'o')

    ->fields('o', array('nid', 'sa_view', 'sa_update', 'sa_delete'))

    ->condition('nid', $nids)

    ->execute()

      ->fetchAllAssoc('gid', PDO::FETCH_ASSOC);

    ->fetchAllAssoc('nid', PDO::FETCH_ASSOC);

    $node->simple_access_profiles = db_select('simple_access_profiles_node', 'pn')

      ->fields('pn', array('pid'))

      ->condition('nid', $node->nid)

  $access = db_select('simple_access_node', 'na')

    ->fields('na', array('nid', 'gid', 'sa_view', 'sa_update', 'sa_delete'))

    ->condition('nid', $nids)

    ->execute()

      ->fetchAllAssoc('pid', PDO::FETCH_ASSOC);

    ->fetchAll(PDO::FETCH_ASSOC);

    $nodes[$node->nid] = $node;

  $profiles = db_select('simple_access_profiles_node', 'pn')

    ->fields('pn', array('nid', 'pid'))

    ->condition('nid', $nids)

    ->execute()

    ->fetchAll(PDO::FETCH_ASSOC);

  foreach ($nodes as $nid => $node) {

    if (isset($owners[$nid])) {

      $node->simple_access_owner = $owners[$nid];

    } else {

      $node->simple_access_owner = array('sa_view' => 0, 'sa_update' => 0, 'sa_delete' => 0);

    }

  }

  foreach ($access as $row) {

    $nodes[$row['nid']]->simple_access[$row['gid']] = $row;

  }

  foreach ($profiles as $row) {

    $nodes[$row['nid']]->simple_access_profiles_node[$row['pid']] = $row;

  }

}