[jira] [Updated] (CASSANDRA-3470) Add a second letter to Descriptor version

["Yuki Morishita (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-3470?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yuki Morishita updated CASSANDRA-3470:
--------------------------------------

    Attachment: 3470.txt

Patch attached to allow extra version digit. Propose new version format is as follows.

{code}[a-z][0-9a-z]*{code}
                
> Add a second letter to Descriptor version
> -----------------------------------------
>
>                 Key: CASSANDRA-3470
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3470
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Yuki Morishita
>            Priority: Minor
>             Fix For: 1.0.3
>
>         Attachments: 3470.txt
>
>
> Versions g and h are actually forwards-compatible with version f, and more changes like that are easily forseeable (e.g., CASSANDRA-3407).
> It would be nice to have an extra version digit (h1, h2, ... ha, hb, ...). Otherwise our choices are forcing people to scrub for these changes (unacceptable) or not updating the Descriptor version, which is suboptimal since we don't know what the contents are until we try to read it and find the latest parts missing.

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