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feat: shorter setsCard

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Barış Soner Uşaklı
2019-06-22 23:43:17 -04:00
parent b3ed89f5fd
commit 3780a58ffb
2 changed files with 4 additions and 33 deletions
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10
src/database/mongo/sorted/union.js
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@@ -6,16 +6,12 @@ module.exports = function (db, module) {
return callback(null, 0);
}
var pipeline = [
db.collection('objects').aggregate([
{ $match: { _key: { $in: keys } } },
{ $group: { _id: { value: '$value' } } },
{ $group: { _id: null, count: { $sum: 1 } } },
];
var project = { _id: 0, count: '$count' };
pipeline.push({ $project: project });
db.collection('objects').aggregate(pipeline).toArray(function (err, data) {
{ $project: { _id: 0, count: '$count' } },
]).toArray(function (err, data) {
callback(err, Array.isArray(data) && data.length ? data[0].count : 0);
});
};