Hi, Dominique, There is an in-memory data partition known as ibis::bord which can take a select clause and a data partition as input argument. This might be the closest to what you want. A little bit more work is needed to get to where you need it.. I am out of office during the day, might have time to look into this in the night..
John On 1/16/12 6:25 AM, Dominique Prunier wrote: > Hi, > > > > I was wondering if there were a way to convert a a bundle into a > partition. My goal here would be to create some projection of my > partition grouped by a subset of columns. For ex, my main partition > would be: > > > > Col1 Col2 Col3 > > 1 A B > > 2 C D > > 3 A B > > 4 A B > > > > And i’d like the following projection (Col2 and Col3), which is the > result of “SELECT Col2,Col3 GROUP BY Col2,Col3”: > > > > Col2 Col3 > > A B > > C D > > > > Thanks, > > > > */Dominique Prunier/**//* > > APG Lead Developper > > Logo-W4N-100dpi > > 4388, rue Saint-Denis > > Bureau 309 > > Montreal (Quebec) H2J 2L1 > > Tel. +1 514-842-6767 x310 > > Fax +1 514-842-3989 > > [email protected] <mailto:[email protected]> > > www.watch4net.com <http://www.watch4net.com/> > > / / > > /This message is for the designated recipient only and may contain > privileged, proprietary, or otherwise private information. If you have > received it in error, please notify the sender immediately and delete > the original. Any other use of this electronic mail by you is prohibited. > > //Ce message est pour le récipiendaire désigné seulement et peut > contenir des informations privilégiées, propriétaires ou autrement > privées. Si vous l'avez reçu par erreur, S.V.P. avisez l'expéditeur > immédiatement et effacez l'original. Toute autre utilisation de ce > courrier électronique par vous est prohibée./// > > > > > > _______________________________________________ > FastBit-users mailing list > [email protected] > https://hpcrdm.lbl.gov/cgi-bin/mailman/listinfo/fastbit-users _______________________________________________ FastBit-users mailing list [email protected] https://hpcrdm.lbl.gov/cgi-bin/mailman/listinfo/fastbit-users
