bp_update_to_1_4_3()

function bp_update_to_1_4_3() {
	global $wpdb;
	$bp = buddypress();
	$squery = "SELECT GROUP_CONCAT( pm.meta_value ) as media_id FROM {$wpdb->posts} p, {$wpdb->postmeta} pm WHERE p.ID = pm.post_id and p.post_type in ( 'forum', 'topic', 'reply' ) and pm.meta_key = 'bp_media_ids' and pm.meta_value != ''";
	$records = $wpdb->get_col( $squery );
	if ( ! empty( $records ) && bp_is_active( 'media' ) ) {
		$records = reset( $records );
		if ( !empty( $records ) ) {
			$update_query = "UPDATE {$bp->media->table_name} SET `privacy`= 'forums' WHERE id in (" . $records . ")";
			$wpdb->query( $update_query );
		}
	}
}