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From Alexandru Sicoe <adsi...@gmail.com>
Subject Re: CQL select not working for CF defined programatically with Hector API
Date Wed, 05 Oct 2011 08:09:23 GMT
Perfectly right. Sorry for not paying attention!
Thanks Eric,
Alex

On Tue, Oct 4, 2011 at 4:19 AM, Eric Evans <eevans@acunu.com> wrote:

> On Mon, Oct 3, 2011 at 12:02 PM, Alexandru Sicoe <adsicoe@gmail.com>
> wrote:
> > Hi,
> >  I am using Cassandra 0.8.5, Hector 0.8.0-2 and cqlsh (cql 1.0.3). If I
> > define a CF with comparator LongType like this:
> >
> >         BasicColumnFamilyDefinition columnFamilyDefinition = new
> > BasicColumnFamilyDefinition();
> >         columnFamilyDefinition.setKeyspaceName("XXX");
> >         columnFamilyDefinition.setName("YYY");
> >         columnFamilyDefinition.setDefaultValidationClass(_BYTESTYPE);
> >         columnFamilyDefinition.setMemtableOperationsInMillions(0.1);
> >         columnFamilyDefinition.setMemtableThroughputInMb(40);
> >
> columnFamilyDefinition.setComparatorType(ComparatorType.LONGTYPE);
> >         try {
> >             cluster.addColumnFamily(new
> > ThriftCfDef(columnFamilyDefinition));
> >         } catch(HectorException e) {
> >                 throw e;
> >         }
> >
> > Then I put some data in the CF.
> >
> > The I try to do the following queries in cqlsh:
> >
> >                           use XXX;
> >                           select * from YYY where KEY='aaa';
> >
> > nothing is returned!
> >
> > If I however do:
> >                           select * from YYY;
> >
> > all the results are returned propperly!
> >
> > So I have 2 questios:
> > 1) Can I read with CQL if CFs were defined using the basic API? (the fact
> > that select * from YYY; works suggests that this is possible)
> > 2) If yes, what is the correct query to use to read data with CQL? (I
> > suspect KEY is wrong...is there a default?)
>
> I suspect that you did not select a key validation class, and ended up
> with a default of BytesType.  CQL requires that your terms be hex
> encoded when using BytesType.
>
> --
> Eric Evans
> Acunu | http://www.acunu.com | @acunu
>

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