$this->resetQueryParams();
$this->addTables( array( 'page_restrictions', 'page', 'templatelinks' ) );
$this->addFields( array( 'pr_type', 'pr_level', 'pr_expiry',
$this->resetQueryParams();
$this->addTables( array( 'page_restrictions', 'page', 'templatelinks' ) );
$this->addFields( array( 'pr_type', 'pr_level', 'pr_expiry',