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From "Pavel Yaskevich (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-2221) 'show create' commands on the CLI to export schema
Date Mon, 08 Aug 2011 21:04:27 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-2221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pavel Yaskevich updated CASSANDRA-2221:
---------------------------------------

    Attachment: CASSANDRA-2221-v2-rebased.patch

I don't know why I didn't get a notification about this, it's confusing :/ Patch looks ok
(+1), I'm adding version of v2 rebased with latest cassandra-0.8 branch. Brandon will commit
it shortly.

> 'show create' commands on the CLI to export schema
> --------------------------------------------------
>
>                 Key: CASSANDRA-2221
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2221
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tools
>            Reporter: Jeremy Hanna
>            Assignee: Aaron Morton
>            Priority: Minor
>              Labels: cli
>             Fix For: 0.8.4
>
>         Attachments: 0001-add-show-schema-statement-8.patch, 0001-add-show-schema-statement-v08-2.patch,
0001-add-show-schema-statement.patch, CASSANDRA-2221-v2-rebased.patch
>
>
> It would be nice to have 'show create' type of commands on the command-line so that it
would generate the DDL for the schema.
> A scenario that would make this useful is where a team works out a data model over time
with a dev cluster.  They want to use parts of that schema for new clusters that they create,
like a staging/prod cluster.  It would be very handy in this scenario to have some sort of
export mechanism.
> Another use case is for testing purposes - you want to replicate a problem.
> We currently have schematool for import/export but that is deprecated and it exports
into yaml.
> This new feature would just be able to 'show' - or export if they want the entire keyspace
- into a script or commands that could be used in a cli script.  It would need to be able
to regenerate everything about the keyspace including indexes and metadata.

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