count
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@ -76,12 +76,13 @@ func Sets() {
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{"$group", bson.D{
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{"_id", "$setname"},
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{"value", bson.D{{"$sum", bson.D{{"$multiply", bson.A{"$prices.eur", "$serra_count"}}}}}},
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{"count", bson.D{{"$sum", bson.D{{"$multiply", bson.A{1.0, "$serra_count"}}}}}},
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}},
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}
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sets, _ := coll.storage_aggregate(groupStage)
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for _, set := range sets {
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fmt.Printf("* %s (%.2f Eur)\n", set["_id"], set["value"])
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fmt.Printf("* %s (%.2f Eur) %.0f\n", set["_id"], set["value"], set["count"])
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}
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storage_disconnect(client)
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