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t = db.mr_stored;
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(obj){
emit( obj.partner , { stats : [ obj.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 }
}
// Test that map reduce works with stored javascript
db.system.js.save( { _id : "mr_stored_map" , value : m } )
db.system.js.save( { _id : "mr_stored_reduce" , value : r } )
res = t.mapReduce( function () { mr_stored_map(this) } ,
function ( k , v ) { return mr_stored_reduce( k , v ) } ,
{ out : "mr_stored_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(obj){
var x = "partner";
var y = "visits";
emit( obj[x] , { stats : [ obj[y] ] } )
}
db.system.js.save( { _id : "mr_stored_map" , value : m } )
res = t.mapReduce( function () { mr_stored_map(this) } ,
function ( k , v ) { return mr_stored_reduce( k , v ) } ,
{ out : "mr_stored_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" )
db.system.js.remove( { _id : "mr_stored_map" } )
db.system.js.remove( { _id : "mr_stored_reduce" } )
res.drop()
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