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23 lines
497 B
JavaScript
23 lines
497 B
JavaScript
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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() { emit(this.mod, this.x); }
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var r = function(k,v) { total = 0; for(i in v) { total+= v[i]; } return total; }
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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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