Yohei Kishimoto created STORM-2712:
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Summary: 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
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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