How can I count the numbers of rows that a DQL query returned?

Question

I want to count number of rows whose return from DQL query,how i do this? here is my DQL query:

$items=$em->createQuery("select i.unitPrice,i.quantity,i.linetotal,i.description from InvoicesInvoicesBundle:Invoiceshasitems i where i.invoiceid='".$id."'");
$itemdata=$items->getResult();

Answer 1

Use Count()

$items=$em->createQuery("select COUNT(i.unitPrice)
                         from InvoicesInvoicesBundle:Invoiceshasitems i
                          where i.invoiceid='".$id."'");
    $itemdata=$items->getResult();

http://docs.doctrine-project.org/en/2.1/reference/dql-doctrine-query-language.html

you should bookmark the above link if you are working regularly on DQL.