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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1537) Intra-row scanning
Date Fri, 02 Oct 2009 19:41:23 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12761685#action_12761685
] 

Andrew Purtell commented on HBASE-1537:
---------------------------------------

Patch soon with first cut. Will add a bit of state to scanner and change next() semantics
on the client such that more than one call to next may be needed to retireve the full row.
Next() will not span rows. New next() behavior will be configurable, off by default, toggled
by config var or Scan parameter.

> Intra-row scanning
> ------------------
>
>                 Key: HBASE-1537
>                 URL: https://issues.apache.org/jira/browse/HBASE-1537
>             Project: Hadoop HBase
>          Issue Type: New Feature
>            Reporter: Jonathan Gray
>            Assignee: Andrew Purtell
>             Fix For: 0.21.0
>
>
> To continue scaling numbers of columns or versions in a single row, we need a mechanism
to scan within a row so we can return some columns at a time.  Currently, an entire row must
come back as one piece.

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