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From "Gagan Deep Juneja (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BLUR-174) Respect family order from given selector
Date Wed, 31 Jul 2013 07:07:48 GMT

    [ https://issues.apache.org/jira/browse/BLUR-174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13724947#comment-13724947
] 

Gagan Deep Juneja commented on BLUR-174:
----------------------------------------

If I understand this issue correctly then we need to order the resultant documents ( with
same row id ) in the order of families passed as per selector. 
So where should we intervene in the existing process, should we alter scoring mechanism or
write comparator for that, because right now indexSearcher returns documents based on the
default scoring mechanism. And I don't think the order in which we create query would impact
this.

Can there be multiple families in same document.

Please share your point of view  on this.

Regards,
Gagan
                
> Respect family order from given selector
> ----------------------------------------
>
>                 Key: BLUR-174
>                 URL: https://issues.apache.org/jira/browse/BLUR-174
>             Project: Apache Blur
>          Issue Type: Bug
>          Components: Blur
>    Affects Versions: 0.2.0
>            Reporter: Aaron McCurry
>            Priority: Minor
>             Fix For: 0.2.0
>
>
> We need to respect the order of the families in the selector.  For instance if a table
contains 3 families, "cf1","cf2", and "cf3".  And a fetch (during a query or a fetch call)
is performed and the order of the families are "cf2", "cf1" then all the records from the
Row that contain "cf2" should come before "cf1".
> Changes needed:
> The families in the Selector object in thrift need to be changed from a set to a list.
> The fetchDocuments method in the BlurUtil class in blur-core needs to be modified to
respect the family order.

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