How to write fql query for images of specific album

I need to retrieve src_small images.

NSString *query=[NSString stringWithFormat:@"SELECT pid,src_small,src_big FROM photo WHERE aid IN ( SELECT aid FROM album WHERE owner=%@)",ownerId];

I wrote this query, and this works fine. But it gives me data of all the albums.

What i want is to retrieve images for specific album only, not for all the albums.

How should i reframe my query to solve this?

Thanks in advance开发者_C百科.

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obviously:

NSString *query = [NSString stringWithFormat : @"SELECT pid, src_small, src_big FROM photo WHERE aid = '%@'", aId];  

hope this helps