On Wed, Jan 18, 2012 at 5:20 AM, Scott Brunza <[email protected]> wrote:
> I'm using a SingleColumnValueFilter to get rows who's cf:qual have a given
> value, but would just like the key, no values.
I take it you made SingleColumnValueFilter do the right thing first?
> If I add that filter to a
> filterList with a KeyOnlyFilter.new, I get nothing if KeyOnlyFilter is
> first and everything, as if there wasn't a KeyOnlyFilter, when it's last.
>
This sounds like the KeyOnlyFilter only works if its second?
> I'm writing it in a ruby script.
>
>
> filterList = FilterList.new
> filterList.addFilter(KeyOnlyFilter.new)
> filterList.addFilter(SingleColumnValueFilter.new(Bytes.toBytes(cf),
> Bytes.toBytes(qualifier), CompareFilter::CompareOp.valueOf('EQUAL'),
> SubstringComparator.new(string)))
Can you make another dumber filter work with KeyOnlyFilter in a FilterList?
Is this on cluster or is it in a standalone instance? Adding a bit of
logging to each of the filters might help. Its likely an issue in
filtering but a bit of logging might uncover the unexpected?
Good on you Scott,
St.Ack
