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From "Brandon Williams (Updated) (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-3669) [patch] Word count sample has a flawed addToMutationMap, fix
Date Wed, 04 Jan 2012 16:44:39 GMT


Brandon Williams updated CASSANDRA-3669:

         Reviewer: brandon.williams
    Fix Version/s: 1.0.7
         Assignee: Dave Brosius
> [patch] Word count sample has a flawed addToMutationMap, fix
> ------------------------------------------------------------
>                 Key: CASSANDRA-3669
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>    Affects Versions: 1.0.6
>            Reporter: Dave Brosius
>            Assignee: Dave Brosius
>            Priority: Trivial
>             Fix For: 1.0.7
>         Attachments: mutation_sample.diff
> The WordCount example shows how to use client.batch_mutate, and has a helper method for
building a mutation map. While the example works properly, the example addToMutationMap is
flawed in that it won't allow adding of multiple columns to the same row, as is what is needed
to perform a 'sql like insert' operation, which is the most likely example someone learning
cassandra will want to do. Fixed the sample addToMutationMap code so that it works correctly
for multi column inserts in one 'row'.

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