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https://issues.apache.org/jira/browse/SOLR-1437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12762093#action_12762093
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Noble Paul commented on SOLR-1437:
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bq.PutNulls: I can see what it is doing but I still dont know why it is needed.

This is not very useful if you are indexing directly w/o tranformers. Imagine , 
if you write a transformer which wouldhave to make some business decision if 
one value is missing, this helps. 

I see that you have optimized for the case where no wild card is used .

Fergus, I am +tive of putting this into 1.4 (if you are done with it). This is 
clearly a huge improvment over what was already existing . Whatever other 
enhancements are required , can be done .

> DIH: Enhance XPathRecordReader to deal with //tagname and other improvments.
> ----------------------------------------------------------------------------
>
>                 Key: SOLR-1437
>                 URL: https://issues.apache.org/jira/browse/SOLR-1437
>             Project: Solr
>          Issue Type: Improvement
>          Components: contrib - DataImportHandler
>    Affects Versions: 1.4
>            Reporter: Fergus McMenemie
>            Assignee: Noble Paul
>            Priority: Minor
>             Fix For: 1.5
>
>         Attachments: SOLR-1437.patch, SOLR-1437.patch, SOLR-1437.patch
>
>   Original Estimate: 672h
>  Remaining Estimate: 672h
>
> As per 
> http://www.nabble.com/Re%3A-Extract-info-from-parent-node-during-data-import-%28redirect%3A%29-td25471162.html
>  it would be nice to be able to use expressions such as //tagname when 
> parsing XML documents.

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