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From "Luca Cavanna (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-3189) Removing a field using TemplateTransformer
Date Fri, 02 Mar 2012 14:15:59 GMT

     [ https://issues.apache.org/jira/browse/SOLR-3189?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Luca Cavanna updated SOLR-3189:
-------------------------------

    Attachment: SOLR-3189.patch

Attached patch. It works like this:
{code}
<entity name="row">
  <field column="newId" template="${row.id}"/>
  <field column="id" remove="true"/>
</entity>
{code}

I introduced the use of the attribute remove. When it's true the template is not required
and the field identified by the column name is removed from the resulting SolrDocument.

In the meantime I created a new transformEntityField method for each field in the row, which
makes the code more readable in my opinion.
Let me know what you think!
                
> Removing a field using TemplateTransformer
> ------------------------------------------
>
>                 Key: SOLR-3189
>                 URL: https://issues.apache.org/jira/browse/SOLR-3189
>             Project: Solr
>          Issue Type: Improvement
>          Components: contrib - DataImportHandler
>            Reporter: Luca Cavanna
>            Priority: Minor
>         Attachments: SOLR-3189.patch
>
>
> While importing documents through DataImportHandler I need to remove some fields from
the final SolrDocument before it's submitted to Solr.
> My usecase: the import query returns an A column which I use to fill in the B field on
the Solr instance. My Solr schema contains both the A and B fields, so they are both filled
in through dih. I'd like to force the deletion of A from the generated SolrDocument since
I need a value only on the B field and want to leave empty the A field. The only way I found
is using ScriptTransformer, so I thought it could be useful to add this feature to the TemplateTransformer.

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