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Posted to commits@cassandra.apache.org by "Benjamin Lerer (JIRA)" <ji...@apache.org> on 2017/01/20 20:23:26 UTC

[jira] [Resolved] (CASSANDRA-12443) Remove alter type support

     [ https://issues.apache.org/jira/browse/CASSANDRA-12443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Lerer resolved CASSANDRA-12443.
----------------------------------------
    Resolution: Fixed

Committed the followup patch into 3.0 at f3b452c54dea0366436ebe2bceac747bdf599e90 and merged into 3.11 and trunk

> Remove alter type support
> -------------------------
>
>                 Key: CASSANDRA-12443
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12443
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Carl Yeksigian
>            Assignee: Benjamin Lerer
>             Fix For: 3.0.11, 3.10
>
>
> Currently, we allow altering of types. However, because we no longer store the length for all types anymore, switching from a fixed-width to variable-width type causes issues. commitlog playback breaking startup, queries currently in flight getting back bad results, and special casing required to handle the changes. In addition, this would solve CASSANDRA-10309, as there is no possibility of the types changing while an SSTableReader is open.
> For fixed-length, compatible types, the alter also doesn't add much over a cast, so users could use that in order to retrieve the altered type.



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