46 lines
914 B
JavaScript
46 lines
914 B
JavaScript
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t = db.mr_bigobject
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t.drop()
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var large = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
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var s = large;
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while ( s.length < ( 6 * 1024 * 1024 ) ){
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s += large;
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}
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for ( i=0; i<5; i++ )
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t.insert( { _id : i , s : s } )
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m = function(){
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emit( 1 , this.s + this.s );
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}
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r = function( k , v ){
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return 1;
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}
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assert.throws( function(){ r = t.mapReduce( m , r , "mr_bigobject_out" ); } , null , "emit should fail" )
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m = function(){
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emit( 1 , this.s );
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}
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assert.eq( { 1 : 1 } , t.mapReduce( m , r , "mr_bigobject_out" ).convertToSingleObject() , "A1" )
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r = function( k , v ){
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total = 0;
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for ( var i=0; i<v.length; i++ ){
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var x = v[i];
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if ( typeof( x ) == "number" )
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total += x
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else
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total += x.length;
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}
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return total;
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}
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assert.eq( { 1 : t.count() * s.length } , t.mapReduce( m , r , "mr_bigobject_out" ).convertToSingleObject() , "A1" )
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t.drop()
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