[jira] [Commented] (CASSANDRA-15962) Digest for some queries is different depending whether the data are retrieved from sstable or memtable

["Jacek Lewandowski (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-15962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17217379#comment-17217379 ] 

Jacek Lewandowski commented on CASSANDRA-15962:
-----------------------------------------------

Thanks [~slebresne], sorry for huge delay, I'm about to apply your remarks and run tests

> Digest for some queries is different depending whether the data are retrieved from sstable or memtable
> ------------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-15962
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15962
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Consistency/Coordination
>            Reporter: Jacek Lewandowski
>            Assignee: Jacek Lewandowski
>            Priority: Normal
>             Fix For: 4.0, 3.11.x
>
>         Attachments: DigestTest.java
>
>
> Not sure into which category should I assign this ticket.
>  
> Basically when reading using certain column filters, the digest is different depending whether we read from sstable and memtable. This happens on {{trunk}} and {{cassandra-3.11}} branches. However it works properly on {{cassandra-3.0}} branch.
>  
> I'm attaching a simple test for trunk to demonstrate what I mean. 
>  
> Please verify my test and my conclusions
>  



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