mongodb find last
Returns the value that results from applying an expression to the last document in a group of documents that share the same group by a field. Only meaningful ... ,Reference >; mongo Shell Methods >; Collection Methods >; db.collection.findOne(). db.collection.findOne()¶. On this page. Definition; Examples. Definition¶. ,Use sort and limit : db.col.find().sort("datetime": -1}).limit(1). ,This is a rehash of the previous answer but it's more likely to work on different mongodb versions. db.collection.find().limit(1).sort($natural:-1}). ,If you want to get last record inserted in the table, then sort by ObjectId in descending order: sorting on an _id field that stores ObjectId values is roughly ... ,this should do the thing: db.collection.find().sort($natural: -1}).limit(50);. ,I know this question is old, but I found it on google after answering a similar new question. So I thought this deserved the same treatment. You can avoid the ... ,By default, the find() operation will get the records from beginning. How can I get the last N records in mongodb? Edit: also I want the returned result ordered from less recent to most recent, not the reverse. ,But when I do that in the meteor mongo shell I get errors. ... Anyway, I figure I use the helper to get the last document, then increment the value ...
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 mongodb find last 相關參考資料
$last (aggregation) — MongoDB Manual
Returns the value that results from applying an expression to the last document in a group of documents that share the same group by a field. Only meaningful ... https://docs.mongodb.com db.collection.findOne() — MongoDB Manual
Reference >; mongo Shell Methods >; Collection Methods >; db.collection.findOne(). db.collection.findOne()¶. On this page. Definition; Examples. Definition¶. https://docs.mongodb.com Get latest MongoDB record by field of datetime - Stack Overflow
Use sort and limit : db.col.find().sort("datetime": -1}).limit(1). https://stackoverflow.com Get the latest record from mongodb collection - Stack Overflow
This is a rehash of the previous answer but it's more likely to work on different mongodb versions. db.collection.find().limit(1).sort($natural:-1}). https://stackoverflow.com Getting last row in mongodb - Stack Overflow
If you want to get last record inserted in the table, then sort by ObjectId in descending order: sorting on an _id field that stores ObjectId values is roughly ... https://stackoverflow.com How can I get last 50 documents in mongoDB? - Stack Overflow
this should do the thing: db.collection.find().sort($natural: -1}).limit(50);. https://stackoverflow.com How to find into mongodb to the last item of an array? - Stack ...
I know this question is old, but I found it on google after answering a similar new question. So I thought this deserved the same treatment. You can avoid the ... https://stackoverflow.com How to get the last N records in mongodb? - Stack Overflow
By default, the find() operation will get the records from beginning. How can I get the last N records in mongodb? Edit: also I want the returned result ordered from less recent to most recent, not th... https://stackoverflow.com [SOLVED] Getting the last document added to a collection - help ...
But when I do that in the meteor mongo shell I get errors. ... Anyway, I figure I use the helper to get the last document, then increment the value ... https://forums.meteor.com |