To access Query data of AOT in Ax 2012 by code you can check code below.
TestTable TestTable;
Query q=new Query(queryStr(TestQuery));
QueryRun qr=new QueryRun(q);
while(qr.next())
{
TestTable=qr.get(tableNum( TestTable));
TestTable=qr.get(tableNum(TestTable));
info(strfmt("%1,%2", TestTable.Description, TestTable.TestId));
}
TestTable TestTable;
Query q=new Query(queryStr(TestQuery));
QueryRun qr=new QueryRun(q);
while(qr.next())
{
TestTable=qr.get(tableNum( TestTable));
TestTable=qr.get(tableNum(TestTable));
info(strfmt("%1,%2", TestTable.Description, TestTable.TestId));
}