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From "Boris Yen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-2903) Default behavior of generating index_name for columns might need to be improved.
Date Sat, 16 Jul 2011 02:36:00 GMT
Default behavior of generating index_name for columns might need to be improved.
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                 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


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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