Seems a big bug.. I've opened JIRA https://issues.apache.org/jira/browse/KYLIN-843
By theory, [A, B], [A, C], [B, D] should yield below combinations basically: A, B AB C AC D BD Will dig and see why it does not work. Thankfully the two groups works. Not many is using three groups as I know. On Fri, Jun 12, 2015 at 8:06 PM, nichunen <[email protected]> wrote: > Hi, > > I have a quesion when creating my cube after setting the > aggregation groups. > Suppose a table test_agg(a int,b int,c int,d int), I set the agg. group > with [[A,B],[A,C],[B,D]], get an error message("Failed to deal with the > request: Find duplicate spanning cuboid 8 from cuboid 10Find duplicate > spanning cuboid 8 from cuboid 10"). If I set it as [[A,B,D],[A,C]], the > cube can be saved. > > I don't understand the work flow with > com.eagleolap.cube.cuboid.CuboidScheduler.getSpanningCuboid(long cuboid) > quite well. > > Could you please explain it to me? > > Thanks > > > ------------------------------ > > Best Regards, > > > > George/倪春恩 > > Software Engineer/软件工程师 > > Mobile:+86-13501723787| Fax:+8610-56842040 > > 北京明略软件系统有限公司（MiningLamp.COM <http://www.semidata.com/>） > > 北京市昌平区东小口镇中东路398号中煤建设集团大厦1号楼4层 > > F4,1#,Zhongmei Construction Group Plaza,398# Zhongdong Road,Changping > District,Beijing,102218 > > > ---------------------------------------------------------------------------------------------------------------------------- > > [image: cid:[email protected]] >
