mongodb group by date

The solution for this is noted below

mongodb group by date

Solution

db.getCollection('supportIssuesChat').aggregate([
{
        $group : {
           _id :{ $dateToString: { format: "%Y-%m-%d", date: "$createdAt"} },
           list: { $push: "$$ROOT" },
           count: { $sum: 1 }
        }
}
])

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