Allowing import / update of a specific document using the data import handler
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Key: SOLR-1708
URL: https://issues.apache.org/jira/browse/SOLR-1708
Project: Solr
Issue Type: New Feature
Components: contrib - DataImportHandler
Affects Versions: 1.4
Reporter: Simon Lachinger
Attachments: 02-single-update.patch
There is the need that changes or new documents need to be added immediately to
the Solr Index. This could easily done via the update-handler - however, when
using the DataImportHandler it shouldn't be necessary to specify the data
extraction for the the DataImportHandler and also do it by feeding it to into
the update-handler. It should be centralized.
Having to run delta query, identifying the changes, for changes where the ID's
of the updated documents are already known to the application is a rather
costly (in terms of database load) way to solve this.
The attached patch allows to specify one or more query parameters for the
delta-import command, named 'root-pk', which allow to specify the document(s)
to be updated or added.
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