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garrilla/aggregate

Created May 8, 2014 19:05
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MongoDB shell use of aggregate [broke]
Raw
aggregate
var eachN1byAggregate = function(){
print('Counting each \'n1\' in Main');
conn = new Mongo();
db = conn.getDB("beta3");
print('.. preparing to count');
start = Date.now();
n1_count = getAggregate();
end = Date.now();
elapsed2 = (end - start)/1000;
print('Count completed in '+elapsed2+' secs.');
printjson(n1_count);
function getAggregate() { return db.main.aggregate(
{
$group: {
_id: "$n1",
n1cnt : { $sum : 1 }
}
}
)}
}
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garrilla commented May 8, 2014

im building a script to do some benchmarking for various approaches to aggregation

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