[jira] [Commented] (CASSANDRA-2246) Enable Pig to use indexed data as described in CASSANDRA-2245

["Dmitriy V. Ryaboy (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-2246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13256770#comment-13256770 ] 

Dmitriy V. Ryaboy commented on CASSANDRA-2246:
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FYI I suspect you could do this much nicer by making use of Pig's predicate pushdown via LoadMetadata.getPartitionKeys (supply everything you have an index on) and LoadMetadata.setPartitionFilter (apply the selection by using secondary indexes). 
                
> Enable Pig to use indexed data as described in CASSANDRA-2245
> -------------------------------------------------------------
>
>                 Key: CASSANDRA-2246
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2246
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Contrib
>    Affects Versions: 0.7.2
>            Reporter: Matt Kennedy
>            Assignee: Brandon Williams
>            Priority: Minor
>              Labels: hadoop
>             Fix For: 1.1.0
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> in contrib/pig, add query parameters to CassandraStorage keyspace/column family string to specify column search predicates.
> For example:
> rows = LOAD 'cassandra://mykeyspace/mycolumnfamily?country=UK' using CassandraStorage();
> This depends on CASSANDRA-1600

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