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From "Jon Hermes (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CASSANDRA-1761) Indexes: Auto-generating the CFname may collide with user-generated names
Date Tue, 15 Mar 2011 00:12:29 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-1761?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jon Hermes updated CASSANDRA-1761:
----------------------------------

    Attachment: 1761-0.7.txt

1761.txt is for trunk.
1761-0.7.txt is for 0.7*.

(Slight difference in imports makes it not apply cleanly.)

> Indexes: Auto-generating the CFname may collide with user-generated names
> -------------------------------------------------------------------------
>
>                 Key: CASSANDRA-1761
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1761
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7 beta 3
>            Reporter: Jon Hermes
>            Assignee: Jon Hermes
>            Priority: Minor
>             Fix For: 0.7.5, 0.8
>
>         Attachments: 1761-0.7.txt, 1761.txt, repro.cli
>
>   Original Estimate: 16h
>  Remaining Estimate: 16h
>
> {noformat}column_families:
>   - name: CF
>     comparator: BytesType
>     column_metadata: 
>       - name: foo
>         index_name: 626172
>         index_type: KEYS
>       - name: bar
>         index_type: KEYS{noformat}
> Auto-generated versus user-supplied names collide in the YAML above. The code:
> {code}cfname = parentCf + "." + (info.getIndexName() == null ? FBUtilities.bytesToHex(info.name)
: info.getIndexName()){code}
> From the first ColumnDefinition, we create cfname = "CF.626172" (from the fail clause
of the ternany, user-supplied name)
> From the second ColumnDefinition, we create cfname = "CF.626172" (from the pass clause
of the ternary, we generate the name)
> They're in hex form. This is possible, but fairly unlikely that someone will do this.

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