41 lines
945 B
JavaScript
41 lines
945 B
JavaScript
t = db.group1;
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t.drop();
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t.save( { n : 1 , a : 1 } );
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t.save( { n : 2 , a : 1 } );
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t.save( { n : 3 , a : 2 } );
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t.save( { n : 4 , a : 2 } );
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t.save( { n : 5 , a : 2 } );
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var p = { key : { a : true } ,
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reduce : function(obj,prev) { prev.count++; },
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initial: { count: 0 }
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};
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res = t.group( p );
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assert( res.length == 2 , "A" );
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assert( res[0].a == 1 , "B" );
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assert( res[0].count == 2 , "C" );
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assert( res[1].a == 2 , "D" );
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assert( res[1].count == 3 , "E" );
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assert.eq( res , t.groupcmd( p ) , "ZZ" );
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ret = t.groupcmd( { key : {} , reduce : p.reduce , initial : p.initial } );
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assert.eq( 1 , ret.length , "ZZ 2" );
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assert.eq( 5 , ret[0].count , "ZZ 3" );
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t.drop();
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t.save( { "a" : 2 } );
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t.save( { "b" : 5 } );
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t.save( { "a" : 1 } );
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t.save( { "a" : 2 } );
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c = {key: {a:1}, cond: {}, initial: {"count": 0}, reduce: function(obj, prev) { prev.count++; } };
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assert.eq( t.group( c ) , t.groupcmd( c ) , "ZZZZ" );
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