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https://issues.apache.org/jira/browse/CASSANDRA-10145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15672121#comment-15672121
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Sandeep Tamhankar commented on CASSANDRA-10145:
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After syncing up with [~thobbs], we came to the following conclusions:
* Add an int flags field to PREPARE messages, and make 0x1 mean "has keyspace".
* Rename `ClientState.withKeyspace` to `ClientState.cloneWithKeyspaceIfSet`.
* Don't mess with CFStatement.prepareKeyspace variants; both do exist for a
reason.
> Change protocol to allow sending key space independent of query string
> ----------------------------------------------------------------------
>
> Key: CASSANDRA-10145
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10145
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Vishy Kasar
> Assignee: Sandeep Tamhankar
> Fix For: 3.x
>
> Attachments: 10145-trunk.txt
>
>
> Currently keyspace is either embedded in the query string or set through "use
> keyspace" on a connection by client driver.
> There are practical use cases where client user has query and keyspace
> independently. In order for that scenario to work, they will have to create
> one client session per keyspace or have to resort to some string replace
> hackery.
> It will be nice if protocol allowed sending keyspace separately from the
> query.
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