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
42
43
44
45
46
47
48
49
50
51
52
53
54
|
// @tags: [does_not_support_stepdowns]
t = db.mr_replace;
t.drop();
t.insert({a: [1, 2]});
t.insert({a: [2, 3]});
t.insert({a: [3, 4]});
outCollStr = "mr_replace_col";
outDbStr = "mr_db";
m = function() {
for (i = 0; i < this.a.length; i++)
emit(this.a[i], 1);
};
r = function(k, vs) {
return Array.sum(vs);
};
function tos(o) {
var s = "";
for (var i = 0; i < 100; i++) {
if (o[i])
s += i + "_" + o[i];
}
return s;
}
print("Testing mr replace into other DB");
res = t.mapReduce(m, r, {out: {replace: outCollStr, db: outDbStr}});
printjson(res);
expected = {
"1": 1,
"2": 2,
"3": 2,
"4": 1
};
outDb = db.getMongo().getDB(outDbStr);
outColl = outDb[outCollStr];
str = tos(outColl.convertToSingleObject("value"));
print("Received result: " + str);
assert.eq(tos(expected), str, "A Received wrong result " + str);
print("checking result field");
assert.eq(res.result.collection, outCollStr, "B1 Wrong collection " + res.result.collection);
assert.eq(res.result.db, outDbStr, "B2 Wrong db " + res.result.db);
print("Replace again and check");
outColl.save({_id: "5", value: 1});
t.mapReduce(m, r, {out: {replace: outCollStr, db: outDbStr}});
str = tos(outColl.convertToSingleObject("value"));
print("Received result: " + str);
assert.eq(tos(expected), str, "C1 Received wrong result " + str);
|
