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https://issues.apache.org/jira/browse/CASSANDRA-21692?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Wang updated CASSANDRA-21692:
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Test and Documentation Plan: new test
Status: Patch Available (was: Open)
> Accord LWT can discard condition in IF statement + Journal error handling
> incorrectly calculates bufferPosition
> ---------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-21692
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21692
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Accord
> Reporter: Alan Wang
> Assignee: Alan Wang
> Priority: Normal
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 1. When we have a condition on a static row and a condition on a regular row
> we can discard the condition on the regular row for Accord LWTs
> 2. L148 and L158 in
> [https://github.com/apache/cassandra/blob/50a10d42a5d633150fbf4ae518b4da85466472b2/src/java/org/apache/cassandra/journal/EntrySerializer.java#L148],
> should be start + headerSize instead of from.position() + headerSize and
> start + totalSize instead of from.position() respectively since
> crc.update(from) in readAndUpdateHeaderCrc changes the buffer's position
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