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Date: Thu, 28 Apr 2016 19:51:13 +0000 (UTC)
From: "Andy Tolbert (JIRA)" <jira@apache.org>
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Subject: [jira] [Created] (CASSANDRA-11682) 'keyspace' option support on
 STARTUP message
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Andy Tolbert created CASSANDRA-11682:
----------------------------------------

             Summary: 'keyspace' option support on STARTUP message
                 Key: CASSANDRA-11682
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11682
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Andy Tolbert


Most of the drivers provide a way to bind a keyspace to a Client/Session and subsequently its connections, i.e. in the java-driver:

{code}
Session session = cluster.connect("mykeyspace");
{code}

Currently to bind keyspaces to connections that drivers need to issue a {{USE <keyspace>}} query and keep track of which keyspace is bound to a connection.  This is non-trivial to manage and this has been a source of quite a few bugs in the drivers.

It would be really nice if in a future protocol version that the {{STARTUP}} message supported an option to provide the keyspace to bind a connection to.  This way no separate {{USE <mykeyspace>}} request needs to be issued.   

If the keyspace is provided in this way, it could also be a nice consideration to make the keyspace bound to the connection unchangeable.



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