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venkatsgithub1/Mongo_Group_Data

Created April 14, 2021 12:43
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Mongo_Group_Data
import java.util.Arrays;
import static com.mongodb.client.model.Filters.eq;
import static com.mongodb.client.model.Aggregates.group;
import static com.mongodb.client.model.Accumulators.sum;
Arrays.asList(group(eq("$substr", Arrays.asList("$title", 3L, -1L)), sum("count", 1L)));
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