mongoengine findandmodify
Determines which document the operation modifies if the query selects multiple documents. db.collection.findAndModify() modifies the first document in the sort ... ,mongoengine - Django MongoEngine: 使用simd/update_one替換 ... 你非常接近,但是你需要通過修改命令來使用findAndModify命令,而不是通過更新命令。
相關軟體 MongoDB 資訊 | |
---|---|
MongoDB 是一個免費且開放源碼的跨平檯面向文檔的數據庫程序。分類為 NoSQL 數據庫程序,MongoDB 使用類似 JSON 的文檔與模式。它為使用 MongoDB 包括數據庫開發人員和 DBA 的任何人提供了豐富的 GUI 工具。主要功能包括:全功能嵌入 MongoDB Shell,用戶友好的 Map-Reduce 操作編輯器,創建 / 刪除數據庫,管理集合及其索引的能力,用戶友好的 G... MongoDB 軟體介紹
mongoengine findandmodify 相關參考資料
2.5. Querying the database — MongoEngine 0.18.2 documentation
As of MongoEngine 0.8 the querysets utilise a local cache. So iterating it multiple times will only cause a single query. If this is not the desired behaviour you can ... http://docs.mongoengine.org db.collection.findAndModify() — MongoDB Manual
Determines which document the operation modifies if the query selects multiple documents. db.collection.findAndModify() modifies the first document in the sort ... https://docs.mongodb.com Django MongoEngine: 使用simdupdate_one替换 ... - 幫酷編程知識庫
mongoengine - Django MongoEngine: 使用simd/update_one替換 ... 你非常接近,但是你需要通過修改命令來使用findAndModify命令,而不是通過更新命令。 http://hant.ask.helplib.com how to use findAndModify() function in mongo - Stack Overflow
Well, you can either update or remove a document atomically with findAndModify db.test.findAndModify( query:started:false, priority:1}, ... https://stackoverflow.com Is there a method like findAndModify in mongoengine? - Google Groups
I use findAndModify in pymongo for update a specified document in an atomic operation, but I cannot find the similar API in mongoengine, I am ... https://groups.google.com Mongoengine raw find_and_modify query gives "Must either update or ...
find_and_modify takes a keywords arguments that is why you are getting that error message. for book_id in book_list: book_col ... https://stackoverflow.com MongoEngine: Replacing get_or_create with upsertupdate_one ...
You are very close but you need to use a findAndModify command via modify rather than an update command. NewDoc ... https://stackoverflow.com Pymongo find and modify - Stack Overflow
I found the findandmodify method but could not find any example of how to use it... Thanks in advance for any help! share improve this question. https://stackoverflow.com Support for find_and_modify · Issue #408 · MongoEngine ... - GitHub
It would be great to be able to do something like doc = Document.objects.find_and_modify to atomically retrieve and create/modify documents. https://github.com 尝试MongoEngine | 老河山学院技工
使用MongoDB以及MongoEngine的一些想法. ... MongoDB本身不提供自增字段,其实现方法一般是findAndModify方法,看这里Create an ... http://xiaobaoding.github.io |