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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1808) [stargate] fix how columns are specified for scanners
Date Fri, 11 Sep 2009 21:12:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12754352#action_12754352
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stack commented on HBASE-1808:
------------------------------

+1 on patch.  Didn't try code but it looks right.  The change in schema is distinct improvement
I'd say.

> [stargate] fix how columns are specified for scanners
> -----------------------------------------------------
>
>                 Key: HBASE-1808
>                 URL: https://issues.apache.org/jira/browse/HBASE-1808
>             Project: Hadoop HBase
>          Issue Type: Improvement
>    Affects Versions: 0.20.0
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>             Fix For: 0.20.1, 0.21.0
>
>         Attachments: HBASE-1808.patch
>
>
> The XSD for Scanner is:
> {code}
> <complexType name="Scanner">
>   <attribute name="startRow" type="base64Binary"/>
>   <attribute name="endRow" type="base64Binary"/>
>   <attribute name="columns" type="base64Binary"/>
>   <attribute name="batch" type="int"/>
>   <attribute name="startTime" type="int"/>
>   <attribute name="endTime" type="int"/>
> </complexType>
> {code}
> The semantics of 'columns' is a space separated list of columns, which is then Base64
encoded. This doesn't actually make much sense, a partial effort to support binary keys but
with a fixed delimiter which defeats the purpose. Rework the Scanner specification so 'columns'
is an array. 

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