If the number of requesting rows aren't that l big enough then I would just use a List of Gets.
On Sat, May 26, 2012 at 3:27 AM, Jean-Daniel Cryans <jdcry...@apache.org>wrote: > What you need is a secondary index and HBase doesn't have that. For > some tips see: http://hbase.apache.org/book.html#secondary.indexes > > J-D > > On Thu, May 24, 2012 at 5:06 PM, jack chrispoo <jackchris...@gmail.com> > wrote: > > Hi, > > > > I'm new to HBase and I have a question about using filters. I know that I > > can use filters with scan, say scan start-key=key1 & end-key=key2 and > with > > a SingleColumnValueFilter: columnA=valueA. But in my java program I need > to > > do filtering on a set of rows which are not contiguous, my client needs > to > > get all rows with rowid in a set<String> and with columnA=valueA. I don't > > know how this can be done efficiently. I can imagine that I can do a scan > > of the entire table and set filers rowid=... and columnA=valueA; or I can > > use get function to get the rows with rowid in my set all to my client > and > > do the filtering on my client side. But I think neither way is efficient. > > Can anyone give me a hint on this? > > > > Thanks > > Yixiao > -- *Benjamin Kim* **Mo : +82 10.5357.0521* benkimkimben at gmail*
