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t = db.mr5;
t.drop();
t.save({"partner": 1, "visits": 9});
t.save({"partner": 2, "visits": 9});
t.save({"partner": 1, "visits": 11});
t.save({"partner": 1, "visits": 30});
t.save({"partner": 2, "visits": 41});
t.save({"partner": 2, "visits": 41});
m = function() {
emit(this.partner, {stats: [this.visits]});
};
r = function(k, v) {
var stats = [];
var total = 0;
for (var i = 0; i < v.length; i++) {
for (var j in v[i].stats) {
stats.push(v[i].stats[j]);
total += v[i].stats[j];
}
}
return {
stats: stats,
total: total
};
};
res = t.mapReduce(m, r, {out: "mr5_out", scope: {xx: 1}});
// res.find().forEach( printjson )
z = res.convertToSingleObject();
assert.eq(2, Object.keySet(z).length, "A1");
assert.eq([9, 11, 30], z["1"].stats, "A2");
assert.eq([9, 41, 41], z["2"].stats, "A3");
res.drop();
m = function() {
var x = "partner";
var y = "visits";
emit(this [x],
{
stats:
[this[y]]
});
};
res = t.mapReduce(m, r, {out: "mr5_out", scope: {xx: 1}});
// res.find().forEach( printjson )
z = res.convertToSingleObject();
assert.eq(2, Object.keySet(z).length, "B1");
assert.eq([9, 11, 30], z["1"].stats, "B2");
assert.eq([9, 41, 41], z["2"].stats, "B3");
res.drop();
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