mirror of
https://github.com/mongodb/mongo.git
synced 2024-12-01 09:32:32 +01:00
59 lines
1.3 KiB
JavaScript
59 lines
1.3 KiB
JavaScript
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t = db.mr5;
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t.drop();
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t.save( { "partner" : 1, "visits" : 9 } )
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t.save( { "partner" : 2, "visits" : 9 } )
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t.save( { "partner" : 1, "visits" : 11 } )
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t.save( { "partner" : 1, "visits" : 30 } )
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t.save( { "partner" : 2, "visits" : 41 } )
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t.save( { "partner" : 2, "visits" : 41 } )
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m = function(){
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emit( this.partner , { stats : [ this.visits ] } )
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}
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r = function( k , v ){
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var stats = [];
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var total = 0;
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for ( var i=0; i<v.length; i++ ){
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for ( var j in v[i].stats ) {
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stats.push( v[i].stats[j] )
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total += v[i].stats[j];
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}
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}
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return { stats : stats , total : total }
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}
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res = t.mapReduce( m , r , { scope : { xx : 1 } } );
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//res.find().forEach( printjson )
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z = res.convertToSingleObject()
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assert.eq( 2 , Object.keySet( z ).length , "A1" )
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assert.eq( [ 9 , 11 , 30 ] , z["1"].stats , "A2" )
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assert.eq( [ 9 , 41 , 41 ] , z["2"].stats , "A3" )
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res.drop()
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m = function(){
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var x = "partner";
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var y = "visits";
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emit( this[x] , { stats : [ this[y] ] } )
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}
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res = t.mapReduce( m , r , { scope : { xx : 1 } } );
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//res.find().forEach( printjson )
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z = res.convertToSingleObject()
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assert.eq( 2 , Object.keySet( z ).length , "B1" )
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assert.eq( [ 9 , 11 , 30 ] , z["1"].stats , "B2" )
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assert.eq( [ 9 , 41 , 41 ] , z["2"].stats , "B3" )
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res.drop()
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