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function comment_update_7001 in Drupal 7

Change comment status from published being 0 to being 1

Related topics

Updates from 6.x to 7.x
Update functions from 6.x to 7.x.

File

modules/comment/comment.install, line 141
Install, update and uninstall functions for the comment module.

Code

function comment_update_7001() {

  // Choose a temporary status value different from the existing status values.
  $tmp_status = db_query('SELECT MAX(status) FROM {comments}')
    ->fetchField() + 1;
  $changes = array(
    0 => $tmp_status,
    1 => 0,
    $tmp_status => 1,
  );
  foreach ($changes as $old => $new) {
    db_update('comments')
      ->fields(array(
      'status' => $new,
    ))
      ->condition('status', $old)
      ->execute();
  }
}