[jira] [Created] (SOLR-12440) Add deeply nested documents URP

["mosh (JIRA)" <ji...@apache.org>]

mosh created SOLR-12440:
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             Summary: Add deeply nested documents URP
                 Key: SOLR-12440
                 URL: https://issues.apache.org/jira/browse/SOLR-12440
             Project: Solr
          Issue Type: New Feature
      Security Level: Public (Default Security Level. Issues are Public)
         Environment: As stated in SOLR-12298, there ought to be an URP to add metadata fields to solr child documents, so the full original document hierarchy can be rebuilt using a transformer.
{quote}1. __nestParent__
 2. __nestLevel__
 3. __nestPath__

__nestParent__: This field wild will store the document's parent docId, to be used for building the whole hierarchy, using a new document transformer, as suggested by Jan on the mailing list.

__nestLevel__: This field will store the level of the specified field in the document, using an int value. This field can be used for the parentFilter, eliminating the need to provide a parentFilter, which will be set by default as "_level_:queriedFieldLevel".

__nestPath__: This field will contain the full path, separated by a specific reserved char e.g., '.'
 for example: "first.second.third".
 This will enable users to search for a specific path, or provide a regular expression to search for fields sharing the same name in different levels of the document, filtering using the level key if needed.
{quote}
            Reporter: mosh






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