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Solr >> mail # user >> copyField: multivalued field to joined singlevalue field

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Re: copyField: multivalued field to joined singlevalue field

: > I want to copy all data from a multivalued field joined together in a single
: > valued field.
: >
: > Is there any opportunity to do this by using solr-standards?
: There is not currently, but it certainly makes sense.

Part of it has just recently been commited to trunk actually...



...with that, it's easy to say "anytime multiple values are found for a
single valued string field, join them together with a comma".

the only piece that's missing is to "copy" from a source field in an
(earlier) UpdateProcessor.  

Theres a patch for this in SOLR-2599 but i haven't had a chance to look at
it yet.