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https://issues.apache.org/jira/browse/GORA-119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13262792#comment-13262792
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Keith Turner commented on GORA-119:
-----------------------------------

I think there is one peril to the design I suggested, it exposes the internals 
of a datastore to users who write filters.  Therefore it become part of the 
public API, possibly impacting the ability to make drastic changes to a 
datastore.  If the optimizer interface only exposes stable hbase and accumulo 
APIs, then maybe this not an issue.
                
> implement a filter enabled scan in gora
> ---------------------------------------
>
>                 Key: GORA-119
>                 URL: https://issues.apache.org/jira/browse/GORA-119
>             Project: Apache Gora
>          Issue Type: Improvement
>    Affects Versions: 0.2
>         Environment: gora hbase gora-core gora-hbase
>            Reporter: raf shin
>              Labels: filter, gora-core, gora-hbase, scan
>             Fix For: 0.3
>
>         Attachments: GORA-119-v1.txt
>
>
> it'll be very of help to implement a filtered scan to reduce the time of scan 
> in gora-core and gora-hbase components.

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