lucene index structure: product_name type price ----------------------------------------------- iphone4s mobile 2000 iphone4s mobile 1500 iphone5 mobile 5000 iphone5 mobile 5000 S3 mobile 3000 intel i3 pc 1000 intel i5 pc 1500 ------------------------------------------------ i want to use solr like sql: select type,count(distinct product_name)s1,sum(price)s2 group by type how to do it with solr? thanks
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