On Tue, Dec 13, 2011 at 1:46 PM, Matthew Stump <mrevilgn...@gmail.com> wrote: > If I create a column family with a comparator of: > > Â DynamicCompositeType(a=>UTF8Type,b=>UTF8Type,c=>UTF8Type,t=>TimeUUIDType) > > Can I do an insert that has a column where a,b,c,t are set and an insert with > a,b,t are set, or must I always set values for colums a,b,c,t?
No, you don't have to set the value for every columns each time. > > If I must always set values for all columns is that also true for dynamic > column families where I have not defined column types? > > On a side note attempting to do the following results in NULL being returned > by the CLI which is probably a bug? > > SET test['package_tags']['a@foo:t@b70801d0-2232-11e1-bfc2-0800200c9a66'] = > '[\'libxslt\']'; > SET > test['package_tags']['a@foo:b@bar:t@0cb0d2a0-25c7-11e1-bfc2-0800200c9a66'] = > '[\'libxslt\']'; https://issues.apache.org/jira/browse/CASSANDRA-3625 and http://comments.gmane.org/gmane.comp.db.cassandra.user/22159 are relevant. Basically I would first encourage you to really look if CompositeType don't work for your before considering DynamicCompositeType. -- Sylvain
