MongoLink`
MongoLink`
MongoCollectionUpdateMany
MongoCollectionUpdateMany[MongoCollection[…],filter,update]
updates one or more documents that match the filter filter with the modification defined by update.
更多信息和选项
- To use MongoCollectionUpdateMany, you first need to load MongoLink using Needs["MongoLink`"].
- filter is an Association. The the same query syntax is used as in MongoCollectionFind. The list of available query selectors can be found in the MongoDB documentation.
- update is an Association. Each key must be an update operator. The list of available update operators can be found in the MongoDB documentation.
- The following options are supported:
-
"Upsert" False whether to perform an insert if no document matches the filter. "WriteConcern" Automatic the write concern to use. - "WriteConcern" can either be Automatic, or a MongoWriteConcern object.
- More information about the behaviour of "Upsert" can be found in the MongoDB documentation.
- MongoCollectionUpdateMany corresponds to db.Collection.updateMany.
范例
Wolfram Research (2018)，MongoCollectionUpdateMany，Wolfram 语言函数，https://reference.wolfram.com/language/MongoLink/ref/MongoCollectionUpdateMany.html.
文本
Wolfram Research (2018)，MongoCollectionUpdateMany，Wolfram 语言函数，https://reference.wolfram.com/language/MongoLink/ref/MongoCollectionUpdateMany.html.
CMS
Wolfram 语言. 2018. "MongoCollectionUpdateMany." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/MongoLink/ref/MongoCollectionUpdateMany.html.
APA
Wolfram 语言. (2018). MongoCollectionUpdateMany. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/MongoLink/ref/MongoCollectionUpdateMany.html 年