Are you writing a new client for a language that doesn't have good drivers? If not, most of the existing clients already break up the query into chunks, I think.
The pycassa implementation of this might be a useful reference: https://github.com/pycassa/pycassa/blob/master/pycassa/columnfamily.py#L561 On Wed, Mar 14, 2012 at 2:35 AM, aaron morton <aa...@thelastpickle.com>wrote: > If you want 100 results per call, ask for 101. Use the first 100, when you > get to the 101'st do not examine it's data. Instead use it's key as the > start to get the next 101. > > Cheers > > ----------------- > Aaron Morton > Freelance Developer > @aaronmorton > http://www.thelastpickle.com > > On 14/03/2012, at 2:03 AM, Vivek Mishra wrote: > > Thanks. > > *Attribute* > *Type* > *Default* > *Required* > *Description* > expressions > list<IndexExpression> > n/a > Y > The list of IndexExpression objects which must contain one EQ > IndexOperator among the expressions > start_key > binary > n/a > Y > Start the index query at the specified key - can be set to '', i.e., an > empty byte array, to start with the first key > count > integer > 100 > Y > The number of results to which the index query will be constrained > > > > How do i iterate using it? How do i ensure that it should not return me > previous results(without i need to keep something in-memory)? > > This is the method i am looking into: > > get_indexed_slices(ColumnParent column_parent, IndexClause index_clause, > SlicePredicate column_predicate, ConsistencyLevel consistency_level) > > It does not have anything like count. > > > Thanks, > Vivek > > On Tue, Mar 13, 2012 at 6:24 PM, Shimi Kiviti <shim...@gmail.com> wrote: > >> Yes. use get_indexed_slices (http://wiki.apache.org/cassandra/API) >> On Tue, Mar 13, 2012 at 2:12 PM, Vivek Mishra <mishra.v...@gmail.com>wrote: >> >>> Hi, >>> Is it possible to iterate and fetch in chunks using thrift API by >>> querying using "secondary indexes"? >>> >>> -Vivek >>> >> >> > > -- Tyler Hobbs DataStax <http://datastax.com/>
