30 lines
538 B
JavaScript
30 lines
538 B
JavaScript
// @tags: [does_not_support_stepdowns]
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t = db.mr_undef;
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t.drop();
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outname = "mr_undef_out";
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out = db[outname];
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out.drop();
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t.insert({x: 0});
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var m = function() {
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emit(this.mod, this.x);
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};
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var r = function(k, v) {
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total = 0;
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for (i in v) {
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total += v[i];
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}
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return total;
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};
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res = t.mapReduce(m, r, {out: outname});
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assert.eq(0, out.find({_id: {$type: 6}}).itcount(), "A1");
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assert.eq(1, out.find({_id: {$type: 10}}).itcount(), "A2");
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x = out.findOne();
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assert.eq(x, out.findOne({_id: x["_id"]}), "A3");
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