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 , { out : "mr5_out" , 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 , { out : "mr5_out" , 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()
|