Hi! Thanks for the response. >From what I read, secondary indices are good only for columns with few possible values. Is this a good fit for my case? I have unique facebook id for every user. Thanks
*Tamar Fraenkel * Senior Software Engineer, TOK Media [image: Inline image 1] ta...@tok-media.com Tel: +972 2 6409736 Mob: +972 54 8356490 Fax: +972 2 5612956 On Sun, Mar 11, 2012 at 11:48 AM, Marcel Steinbach <mstei...@gmail.com>wrote: > Either you do that or you could think about using a secondary index on the > fb user name in your primary cf. > > See http://www.datastax.com/docs/1.0/ddl/indexes > > Cheers > > Am 11.03.2012 um 09:51 schrieb Tamar Fraenkel <ta...@tok-media.com>: > > Hi! > I need some advise: > I have user CF, which has a UUID key which is my internal user id. > One of the column is facebook_id of the user (if exist). > > I need to have the reverse mapping from facebook_id to my UUID. > My intention is to add a CF for the mapping from Facebook Id to my id: > > user_by_fbid = { > // key is fb Id, column name is our User Id, value is empty > 100003101876963: { > f94f6b20-161a-4f7e-995f-0466c62a1b6b : "" > } > } > > Does this makes sense. > This CF will be used whenever a user log in through Facebook to retrieve > the internal id. > Thanks > > *Tamar Fraenkel * > Senior Software Engineer, TOK Media > > <tokLogo.png> > > > ta...@tok-media.com > Tel: +972 2 6409736 > Mob: +972 54 8356490 > Fax: +972 2 5612956 > > > >
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