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https://issues.apache.org/jira/browse/CASSANDRA-14873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16684588#comment-16684588
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Blake Eggleston commented on CASSANDRA-14873:
---------------------------------------------

+1 on the fix, could you take a look at the failing dtests though? The only 
dtest I've seen fail recently in 3.0 and 3.11 is the HSHA one.

> Fix missing rows when reading 2.1 SSTables with static columns in 3.0
> ---------------------------------------------------------------------
>
>                 Key: CASSANDRA-14873
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14873
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Aleksey Yeschenko
>            Assignee: Aleksey Yeschenko
>            Priority: Major
>             Fix For: 3.0.x, 3.11.x
>
>
> If a partition has a static row and is large enough to be indexed, then 
> {{firstName}} of the first index block will be set to a static clustering. 
> When deserializing the column index we then incorrectly deserialize the 
> {{firstName}} as a regular, non-{{STATIC}} {{Clustering}} - a singleton array 
> with an empty {{ByteBuffer}} to be exact. Depending on the clustering 
> comparator, this can trip up binary search over {{IndexInfo}} list and cause 
> an incorrect resultset to be returned.



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