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
55
56
57
58
|
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 , { 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 , { 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()
|
