FQL Overview
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An overview of the Facebook's application query language FQL presented by Craig Saila in August 2007 at FaceBookCamp Toronto. The video of the presentation (along with two others) can be found here: http://www.thechickentest.com/2007/08/facebookcamptoronto-videos/
![FQL ,[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/fql-overview1832/85/FQL-Overview-1-320.jpg)
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FQL Overview
- 7. FQL: Simple Query <?xml version="1.0" encoding="UTF-8"?> <users_getInfo_response xmlns="http://api.facebook.com/1.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://api.facebook.com/1.0/ http://api.facebook.com/1.0/facebook.xsd" list="true"> <user> <uid>503802602</uid> <current_location> <city> Toronto </city> <state> Ontario </state> <country> Canada </country> <zip/> </current_location> </user> </users_getInfo_response>
- 9. FQL: Simple Query ... <friend_info> <uid2> 00000701 </uid2> </friend_info> <friend_info> <uid2> 00000702 </uid2> </friend_info> <friend_info> <uid2> 00000703 </uid2> </friend_info> ...
- 12. FQL: Advanced Query <?xml version="1.0" encoding="UTF-8"?> <fql_query_response xmlns="http://api.facebook.com/1.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" list="true"> <event> <location> MaRS </location> </event> </fql_query_response>
- 14. FQL: Advanced Query ... <error_code> 604 </error_code> <error_msg> Your statement is not indexable - the WHERE clause must contain one of the columns marked with a star in http://developers.facebook.com/documentation.php?doc=fql</error_msg> <request_args list="true"> <arg> <key>query</key> <value> SELECT name FROM event WHERE strpos(location,"facebook") </value> </arg> ...
- 17. FQL: Advanced Query <?xml version="1.0" encoding="UTF-8"?> <fql_query_response xmlns="http://api.facebook.com/1.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" list="true"> <event> <eid> 2487044119 </eid> </event> </fql_query_response>
- 19. FQL: Versus SQL FQL != fecal
- 20. FQL: Versus SQL but... FQL != SQL
- 29. FQL Questions? Craig Saila saila.com [email_address]