convert X++ Select Statement into aot query

i want to convert following X++ statement into AOT query

while select ItemId,Name,Qty,LineAmount,PurchPrice,PurchUnit,InvoiceDate
from VendInvoiceTrans join PurchMaxItemPurchasePriceTMP
where VendInvoiceTrans.ItemId == PurchMaxItemPurchasePriceTMP.ItemId &&
VendInvoiceTrans.InvoiceDate == PurchMaxItemPurchasePriceTMP.MaxInvoiceDate