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https://issues.apache.org/jira/browse/CASSANDRA-2903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13068572#comment-13068572
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Hudson commented on CASSANDRA-2903:
-----------------------------------
Integrated in Cassandra-0.8 #229 (See
[https://builds.apache.org/job/Cassandra-0.8/229/])
prepend CF to default indexnames
patch by jbellis; reviewed by brandonwilliams for CASSANDRA-2903
jbellis :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1148872
Files :
* /cassandra/branches/cassandra-0.8/CHANGES.txt
*
/cassandra/branches/cassandra-0.8/src/java/org/apache/cassandra/config/CFMetaData.java
> Default behavior of generating index_name for columns might need to be
> improved.
> --------------------------------------------------------------------------------
>
> Key: CASSANDRA-2903
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2903
> Project: Cassandra
> Issue Type: Improvement
> Components: API
> Affects Versions: 0.8.1
> Reporter: Boris Yen
> Assignee: Jonathan Ellis
> Priority: Minor
> Fix For: 0.8.2
>
> Attachments: 2903.txt
>
>
> I have a few column families, each has a column called user_name. I tried to
> use secondary index on user_name column for each of the column family.
> However, when creating these column families, cassandra keeps reporting
> "Duplicate index name..." exception. I finally figured out that it seems the
> default index name is "column name"+"_idx", this make my column family
> violate the "uniqueness of index name" rule.
> I was wondering if the default index_name generating rule could be like
> "column name"+"cf name", so the index name would not collide with each other
> that easily, if the user do not assign "index_name" when creating a column
> family.
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