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https://issues.apache.org/jira/browse/CASSANDRA-3303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jonathan Ellis updated CASSANDRA-3303:
--------------------------------------
Fix Version/s: (was: 1.0.0)
1.0.1
Assignee: Byron Clark
Tagging this 1.0.1 since short reads being broken is nothing new (I would say
returning too much data, is better than returning not enough)
> Short reads protection results in returning more columns than asked for
> -----------------------------------------------------------------------
>
> Key: CASSANDRA-3303
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3303
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.0.0
> Reporter: Sylvain Lebresne
> Assignee: Byron Clark
> Priority: Minor
> Fix For: 1.0.1
>
>
> When we detect a short read (in SP.fetchRows), we retry a new command created
> by:
> {noformat}
> logger.debug("detected short read: expected {} columns, but only resolved {}
> columns", sliceCommand.count, liveColumnsInRow);
> int retryCount = sliceCommand.count + sliceCommand.count - liveColumnsInRow;
> SliceFromReadCommand retryCommand = new SliceFromReadCommand(command.table,
> command.key,
>
> command.queryPath,
>
> sliceCommand.start,
>
> sliceCommand.finish,
>
> sliceCommand.reversed,
> retryCount);
> {noformat}
> That is, in that new command, the count is greater than what asked in the
> initial command. But we never cut back the result of that new retried query.
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