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izmailoff/latest_docs.js

Created November 27, 2019 05:42
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Mongo shell script to get latest docs in each collection
Raw
latest_docs.js
var cols = db.getCollectionNames();
cols.forEach(x => {
var res = db[x].find({}).sort({_id: -1}).limit(3);
print(x + ": ");
res.forEach(x => print(x._id + " is " + x._id.getTimestamp()));
print();
}
);
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Prints:

collectionA: 
58edb48240f272f404ca1017 is Wed Apr 12 2017 05:00:50 GMT+0000 (UTC)
58edb46840f272f404ca0fc8 is Wed Apr 12 2017 05:00:24 GMT+0000 (UTC)
58edb46840f272f404ca0fc7 is Wed Apr 12 2017 05:00:24 GMT+0000 (UTC)

collectionB: 
5dde0c3a276671f7590dea3d is Wed Nov 27 2019 05:40:10 GMT+0000 (UTC)
5dde0c29276671f7590dea3b is Wed Nov 27 2019 05:39:53 GMT+0000 (UTC)
5dde0c18276671f7590dea39 is Wed Nov 27 2019 05:39:36 GMT+0000 (UTC)

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