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MongoLink`

MongoLink`

MongoCollectionReplaceOne

MongoCollectionReplaceOne[MongoCollection[…],filter,replacement]

replaces one document that matches the filter filter with the new document defined by replacement.

更多信息和选项

To use MongoCollectionReplaceOne, 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.
replacement is an Association. Update operators cannot be used.
The following options are supported:
"Upsert" False If True, perform an insert if no documents match the filter.

"WriteConcern" Automatic either Automatic, or a MongoWriteConcern object.
More information about the behaviour of "Upsert" can be found in the MongoDB documentation.
MongoCollectionReplaceOne corresponds to db.collection.replaceOne() in the MongoDB documentation.

范例

基本范例 (1)

Connect to a client:

Connect to a the "WolframTestCollection" collection in the "WolframTestDB" database:

Replace the document that matches the filter <|"age"3|> with a new document:

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