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Posted to commits@cassandra.apache.org by "Jonathan Ellis (Commented) (JIRA)" <ji...@apache.org> on 2012/04/07 00:40:17 UTC

[jira] [Commented] (CASSANDRA-3883) CFIF WideRowIterator only returns batch size columns

    [ https://issues.apache.org/jira/browse/CASSANDRA-3883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13249013#comment-13249013 ] 

Jonathan Ellis commented on CASSANDRA-3883:
-------------------------------------------

bq. Optimally, we'd have a way to express "I'm at this column offset in this row, give me the next X number of columns, even if it requires going to the next row." But I'm not sure how to do that sanely, either

What if we allowed mixing (start key, end token) in KeyRange?  Wouldn't that fix it?

- 1st get_paged_slice call: ((start token, end token), empty start column) from slice
- subsequent get_paged_slice calls: ((last row key, end token), last column name)

                
> CFIF WideRowIterator only returns batch size columns
> ----------------------------------------------------
>
>                 Key: CASSANDRA-3883
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3883
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Hadoop
>    Affects Versions: 1.1.0
>            Reporter: Brandon Williams
>             Fix For: 1.1.0
>
>         Attachments: 3883-v1.txt
>
>
> Most evident with the word count, where there are 1250 'word1' items in two rows (1000 in one, 250 in another) and it counts 198 with the batch size set to 99.

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