On Thu, 12 Nov 2009 10:49:59 -0600 Jonathan Ellis <jbel...@gmail.com> wrote: 

JE> On Thu, Nov 12, 2009 at 10:42 AM, Jonathan Mischo <jmis...@quagility.com> 
wrote:
>> > Let's keep it simple.  Forcing multiple connections from a purely
>> > hypothetical use case is a no-brainer tradeoff.  Connections are not
>> > expensive.

>> Even if we can do it sensibly? Connections aren't hugely expensive, but
>> they're not free, either.

JE> I suppose, but if it requires sending a keyspace param w/ each call,
JE> then it's not sensible.  You waste far more overhead for that in the
JE> common case -- serializing, deserializing, checking that it's been
JE> authed -- than you gain from not having another connection in the
JE> uncommon one.

JE> I would be okay with being able to send a 2nd auth call to an existing
JE> connection to switch the "current" keyspace, similar to how rdbmses
JE> only have one active schema at a time.

How about:

login(Map<String, String> credentials) throws 
CassandraAuthenticationSecurityException

setKeyspace(String keyspace) throws CassandraAuthorizationSecurityException

and then all the existing API calls won't have a Keyspace parameter as
previously discussed.  This works for everyone, I think, and separates
authentication from authorization nicely.

Ted

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