The field must be single-valued for grouping. That is why I do not consider
this option.
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On 1/12/2015 3:09 PM, vit wrote:
I use Solr4.21
my multivalued filed is like that:
q=(category_id:(484986 520623 484339 519258 516227 486757) ..
How to construct a query which will show one top document per category_id
value?
This is a feature called grouping, or field collapsing.
https:/
