If you specify the columns by name in the select clause the query returns them because they should be projected in the result set.
Can you use a column slice instead ? Cheers ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 17/08/2012, at 11:09 AM, Mat Brown <m...@brewster.com> wrote: > Hello all, > > I've noticed that when performing a SELECT statement with a list of > columns specified, Cassandra returns all columns in the resulting > row(s) even if they have no value. This creates an apparently > considerable amount of transport and deserialization overhead, > particularly in one use case I'm looking at, in which we select a > large collection of columns but expect only a small fraction of them > to contain values. Is there any way to get around this and only > receive columns that have values in the results? > > Thanks, > Mat
