I will answer to my myself :) Problem was with Facebook imported contacts. Yahoo API don't return all contacts. I have situation where result contains some facebook imported contact, but some 'regular' contacts are omitted. Pretty strange behavior of Yahoo API... any solutions?
QUOTE (Darko @ 26 Dec 2011 10:50 AM) Hello,
I tested YQL Console online and everything works fine:
SELECT * from social.contacts WHERE guid=me;
Contacts are returned as expected.
But when I tested exactly the same query from my website, results object is not returned (null).
This is the case with ONLY few test accounts. They all are created about 2 months ago. Other accounts (several years ago created, and 2-3 weeks ago created) works fine!
Of course everything is ok with OAuth authorization and so on... please don't ask questions about OAuth :)
Please someone from Yahoo! dev team explain this very weird behavior.