[jira] [Updated] (STORM-2712) accept arbitrary number of rows per tuple in storm-cassandra

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/STORM-2712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated STORM-2712:
----------------------------------
    Labels: pull-request-available  (was: )

> accept arbitrary number of rows per tuple in storm-cassandra
> ------------------------------------------------------------
>
>                 Key: STORM-2712
>                 URL: https://issues.apache.org/jira/browse/STORM-2712
>             Project: Apache Storm
>          Issue Type: Improvement
>          Components: storm-cassandra
>    Affects Versions: 2.0.0, 1.1.1
>            Reporter: Yohei Kishimoto
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Current implementation in `TridentResultSetValuesMapper::map` restricts a SELECT query to return one row. In `StateQueryProcessor::finishBatch`, it checks the equality between the result size of `batchRetrieve` and input tuple size. When the number of result rows is less than 1 or greater than 1, it breaks the condition and an exception is thrown.
> We should accept arbitrary number of rows by adjusting List dimensions.



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