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https://issues.apache.org/jira/browse/CASSANDRA-6311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13832835#comment-13832835
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Alex Liu commented on CASSANDRA-6311:
-------------------------------------
The expected user defined cql input must have the followings
{code}
1) select clause must include partition key columns (to calculate the
progress based on the actual CF row processed)
2) where clause must include token(partition_key1 ... partition_keyn) > ?
and
token(partition_key1 ... partition_keyn) <= ? (in the right order)
{code}
> Add CqlRecordReader to take advantage of native CQL pagination
> --------------------------------------------------------------
>
> Key: CASSANDRA-6311
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6311
> Project: Cassandra
> Issue Type: New Feature
> Components: Hadoop
> Reporter: Alex Liu
> Assignee: Alex Liu
> Fix For: 2.0.4
>
> Attachments: 6311-v3-2.0-branch.txt, 6331-2.0-branch.txt,
> 6331-v2-2.0-branch.txt
>
>
> Since the latest Cql pagination is done and it should be more efficient, so
> we need update CqlPagingRecordReader to use it instead of the custom thrift
> paging.
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