Please note there is also https://issues.apache.org/jira/browse/HBASE-4882 which suggest to add such feature, of course this is just for a specific row and does not tell that all the row are the same.
Mikael.S On Mon, Feb 13, 2012 at 6:35 PM, Doug Meil <[email protected]>wrote: > > I'll add this to the book. This comes up from time to time. > > > > > > On 2/13/12 11:04 AM, "Stack" <[email protected]> wrote: > > >On Mon, Feb 13, 2012 at 1:25 AM, hongqizh <[email protected]> wrote: > >> Hello, > >> > >> I want to retrieve the structure of a table, and now I know how to get > >>the > >> column families of a table, > >>HTable->HTableDescriptor->HColumnDescriptor, but > >> I was blocked when I trying to find the API to get the columns of a > >>column > >> family. Anyone knows about this API? > >> > >> Thanks a lot for your help! > >> > > > >Its not possible without getting all data in all columns; no two rows > >necessarily have the same columns. But perhaps there was some > >discipline in place inserting data in your case and retrieving all > >data on a particular row will tell you the columns used on all rows? > > > >St.Ack > > > > > -- Mikael.S
