Can mongodb aggregation be used to create auto-increment id?

大城市里の小女人 提交于 2020-02-08 02:33:21

问题


I've found here https://stackoverflow.com/a/60052210/10116440 that we can use aggregation to count the number of documents in a query. Can I, in the same aggregation pipeline, count the number of documents and then create a document with autoIncrementId = totalNumberOfDocuments + 1?

来源:https://stackoverflow.com/questions/60064892/can-mongodb-aggregation-be-used-to-create-auto-increment-id

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