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From Chris Hostetter <>
Subject Re: custom function for multivalued fields
Date Thu, 30 Jul 2015 00:06:35 GMT

Thanks to the SortedSetDocValues this is in fact possible -- in fact i 
just uploaded a patch for SOLR-2522 that you can take a look at to get an 
idea of how to make it work (the main class you're probably going 
to want to look at is SortedSetSelector: you're going to want a similar 
"SortedDocValues proxy" class on top of SortedSetDocValues -- but instead 
of picking a single value, you want to pick your new synthetic value based 
on your custom function logic.

: I have a requirement where i want to maintain a multivalued field. However,
: at query time, i want to query on only one value we store in  multivalued
: field. That one value should be output of a custom function which should
: execute on all values of multivalued field at query time.
: Can we write such function and plug into solr.


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