Please note that very large reports that include zero impression rows
may fail (indicated by error code 112). If your report fails as a
result of enabling this option, try breaking subsequent reports down
into smaller queries/reports.
We are working to make this a more scalable solution. However, we
(and several of you) felt it was important to expose this feature now
despite this issue. We will notify you when scalability enhancements
are released.
-- Jon Diorio, Product Marketing
Michael
or does it only work in V10?
Kai
If you haven't tested it out already, they should work in all
versions. Let me know if you have any trouble.
-Aaron Karp
AdWords API Team