In solr i have a multiValued field called animal and it has the values {cat,dog} is it possible to get the number of values inside the multiValued field in solr(in my example 2)?
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directly, you can't. you could still facet over that field and sum up the facet counts, somehow. – Samuele Mattiuzzo Dec 12 '12 at 11:21
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yup. For that you have to query that individual document, so that it will provide you the exact facet count for that document only. – Jayendra Dec 12 '12 at 11:26
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is there any way to do this via apache luke? – ak87 Dec 12 '12 at 11:56
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luke just gives you the inside of the index. You can look and still have to count it. – Jayendra Dec 12 '12 at 12:00
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If you want to count the items in a multivalued field use CountFieldValuesUpdateProcessorFactory
Okke Klein
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There is no direct way to get the count of items in a multivalued field.
You can always maintain the field count during indexing and use it.
If not using during query time, you can always count the list size.
Jayendra
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