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https://issues.apache.org/jira/browse/CONNECTORS-840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14640502#comment-14640502
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Alessandro Benedetti commented on CONNECTORS-840:
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Hi Ramanan,
First of all I second Karl about the fact that ManifoldCF is atomic per
documents, furthermore
have you read what I wrote about the fact that partial Updates literally does
not exist in Solr ?
A delete and re-index of the doc will happen, with all the consequences.
So please use it with caution!
> Job - Solr Mapping Improvement
> ------------------------------
>
> Key: CONNECTORS-840
> URL: https://issues.apache.org/jira/browse/CONNECTORS-840
> Project: ManifoldCF
> Issue Type: Improvement
> Components: Lucene/SOLR connector
> Affects Versions: ManifoldCF 1.4.1
> Reporter: Alessandro Benedetti
> Assignee: Karl Wright
> Priority: Minor
> Labels: field, mapping, request, solr, update
> Fix For: ManifoldCF 1.5
>
> Attachments: CONNECTORS-840.patch
>
>
> "When you configure a job to use a Solr-type output connection, the Solr
> connection type provides a tab called "Field Mapping". The purpose of this
> tab is to allow you to map metadata fields as fetched by the job's connection
> type to fields that Solr is set up to receive. This is necessary because the
> names of the metadata items are often determined by the repository, with no
> alignment to fields defined in the Solr schema. You may also suppress
> specific metadata items from being sent to the index using this tab.
> Add a new mapping by filling in the "source" with the name of the metadata
> item from the repository, and "target" as the name of the output field in
> Solr, and click the "Add" button. Leaving the "target" field blank will
> result in all metadata items of that name not being sent to Solr."
> In my opinion we should change the way a metadata field is suppressed.
> The most natural way is that we express only the mappings of the metadata
> fields we want to keep.
> All the missing params will not be sent to Solr.
> The improvement will be :
> - same interface with a boolean flag in addition, this flag will specify if
> the missing metadata fields not expressed should be sent to Solr with the
> original names or not sent at all.
> In this way if we want to keep 3/100 metadata fields, we don't have to write
> 100 mapping entries , 97 empty but simply 3 entries and activate the flag.
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