Do you need to scan across multiple tables in the same job? Tell a little more about what you are trying to do so we can help you out better.
-ak On Tue, Oct 6, 2009 at 5:32 AM, Huang Qian <[email protected]> wrote: > thanks, but the map and reduce task is the same class, so I just want to > control the data I give to them. > how can I make it without create a new inputformat implement > tableinputformat? > > 2009/10/5 Amandeep Khurana <[email protected]> > > > Afaik, you can scan across only a single table. However, you can read > > other tables using the api within the map or reduce task > > > > On 10/5/09, Huang Qian <[email protected]> wrote: > > > I just want to use several tables in hbase as datasource for map/reduce > > > program. so can tableinputformat class take more tables as inputs? > > > > > > -- > > > Huang Qian（黄骞） > > > Institute of Remote Sensing and GIS,Peking University > > > Phone: (86-10) 5276-3109 > > > Mobile: (86) 1590-126-8883 > > > Address:Rm.554,Building 1,ChangChunXinYuan,Peking > > > Univ.,Beijing(100871),CHINA > > > > > > > > > -- > > > > > > Amandeep Khurana > > Computer Science Graduate Student > > University of California, Santa Cruz > > > > > > -- > Huang Qian（黄骞） > Institute of Remote Sensing and GIS,Peking University > Phone: (86-10) 5276-3109 > Mobile: (86) 1590-126-8883 > Address:Rm.554,Building 1,ChangChunXinYuan,Peking > Univ.,Beijing(100871),CHINA >
