Jack Krupansky created SOLR-3438:
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Summary: Document SolrCells' use of the meta field
Key: SOLR-3438
URL: https://issues.apache.org/jira/browse/SOLR-3438
Project: Solr
Issue Type: Improvement
Components: contrib - Solr Cell (Tika extraction)
Reporter: Jack Krupansky
Priority: Minor
SolrCell will add document metadata to the field named "meta" if it is present
in the schema. This is undocumented behavior and can be surprising and
confusing to users who explicitly added a field named "meta" to their schema
for their own purpose without any awareness that SolrCell would be populating
it with document metadata.
This issue merely proposes to clearly document the use of the "meta" field, but
several questions do arise:
1) Is this behavior actually intended as a released future? As opposed to some
experimental work that wasn't intended for release just yet.
2) Should there be a request parameter to be able to disable this feature?
2a) Should the default be to have to enabled?
3) Should the "meta" field be added to the example schema (the section for
SolrCell metadata fields) to reinforce the fact that a user should not blindly
add their own "meta" field for some other purpose?
4) Should there be a request parameter to redirect this behavior to a named
field?
4a) Should the default name be more explicit (e.g., solrcell_metadata)?
This issue is only intended to address documentation related to question #1. If
the answers to any of the other questions are "yes", a separate issue can be
opened. That said, I do lean towards adding the "meta" field to the example
schema as part of the "documentation."
For reference I'll attend a snippet from a query result that has the "meta"
field populated by an extracted Word document.
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