Creating the Query in job - Dynamic AX

static void CustTableSales1(Args _args)

{
    Query       query;
    QueryRun    queryrun;
    QueryBuildDataSource    qbds1,qbds2;
    QueryBuildRange         qbr1,qbr2;
    CustTable               custTable;
    ;
    query   = new query();
    qbds1   =   query.addDataSource(tablenum(CustTable));
    qbds1.addSortField(fieldnum(custTable,AccountNum),Sortorder::Descending);
    qbr1    = qbds1.addRange(fieldnum(custTable,custGroup));
    qbr1.value(queryvalue('10'));
    qbr2    =  qbds1.addRange(fieldnum(custTable,Blocked));
    qbr2.value(queryvalue(CustVendorBlocked::No));
    qbds2   = qbds1.addDataSource(tablenum(SalesTable));
    qbds2.relations(false);
    qbds2.joinMode(joinmode::ExistsJoin);
    qbds2.addLink(fieldnum(CustTable,AccountNum),fieldnum(SalesTable,CustAccount));
    queryrun    = new queryrun(query);
    while(queryrun.next())
    {
        custTable   = queryrun.get(tablenum(custTable));
        info(strfmt('%1 – %2',custtable.AccountNum,custTable.name()));
    }
}

//Another sample code///

Query                   query; 
QueryRun                queryRun; 
QueryBuildDataSource    queryBuildDataSource; 
QueryBuildRange         queryBuildRange; 
CustTable               custTable; 
query = new Query(); 
queryBuildDataSource = query.addDataSource(TableNum(CustTable)); 
queryBuildRange = queryBuildDataSource.addRange(FieldNum(CustTable,AccountNum)); 
queryBuildRange.value("4000..5000"); 
queryRun = new queryRun(query); 
if (queryRun.prompt()) 
{ 
    while (queryRun.next()) 
    { 
        custTable = queryRun.get(TableNum(CustTable)); 
        print custTable.AccountNum; 
    } 
}