summaryrefslogtreecommitdiff
path: root/jstests/core/geo_mapreduce2.js
blob: d71eb8ef216b5bf928864b3d023f2e7f0aed5a51 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
// Geo mapreduce 2 from SERVER-3478

var coll = db.geoMR2;
coll.drop();

for (var i = 0; i < 300; i++)
    coll.insert({i: i, location: [10, 20]});

coll.ensureIndex({location: "2d"});

// map function
m = function() {
    emit(null, {count: this.i});
};

// reduce function
r = function(key, values) {

    var total = 0;
    for (var i = 0; i < values.length; i++) {
        total += values[i].count;
    }

    return {
        count: total
    };
};

try {
    coll.mapReduce(m,
                   r,
                   {
                     out: coll.getName() + "_mr",
                     sort: {_id: 1},
                     query: {'location': {$within: {$centerSphere: [[10, 20], 0.01]}}}
                   });

} catch (e) {
    // This should occur, since we can't in-mem sort for mreduce
    printjson(e);
}