$DBversion = "XXX";

if (C4::Context->preference("Version") < TransformToNum($DBversion)) {

    $dbh->do("INSERT INTO `systempreferences` (variable,value,explanation,options,type) VALUES ('ZebraUseXml','1','Tell Zebra to use MARCXML instead of ISO2907 for indexing. Very important for libraries with records bigger than the allowed by ISO2907 (e.g. with lots of items in a single record).',NULL,'YesNo')");

    $dbh->do("INSERT INTO `systempreferences` (variable,value,explanation,options,type) VALUES ('ZebraNoshadow','0','Tell Zebra to use shadow records when updating. Prevents locking on records while updating the database. Refer to zebra documentation for more info on the drawbacks.',NULL,'YesNo')");

    $dbh->do("INSERT INTO `systempreferences` (variable,value,explanation,options,type) VALUES ('ZebraqueueVerboseLogging','0','Tell ZebraQueue daemon to be more verbose on logging.',NULL,'YesNo')");

    $dbh->do("INSERT INTO `systempreferences` (variable,value,explanation,options,type) VALUES('ZebraBiblioUpdateRatio','6','Tell the ZebraQueue daemon how often to search for updates in the biblios database. This number is multiplied by ZebraAuthUpdateRatios value.',NULL,'Integer')");

    $dbh->do("INSERT INTO `systempreferences` (variable,value,explanation,options,type) VALUES('ZebraAuthUpdateRatio','10','Tell the ZebraQueue daemon in seconds how often to search for updates in the authorities database.',NULL,'Integer')");

    print "Upgrade to $DBversion done (Add sysprefs to control zebraqueue_daemon scripts: ZebraUseXml, ZebraNoshadow, ZebraqueueVerboseLogging, ZebraBiblioUpdateRatio, ZebraAuthUpdateRatio)\n";

    SetVersion ($DBversion);

}