The following operation to a replica set specifies a write concern of w: 2 with a wtimeout of milliseconds. This operation either returns after the write propagates to both the primary and one secondary, or times out after 5 seconds. Specifies the collation to use for the operation. When specifying collation, the locale field is mandatory; all other collation fields are optional.
For descriptions of the fields, see Collation Document. If the collation is unspecified but the collection has a default collation see db. If no collation is specified for the collection or for the operations, MongoDB uses the simple binary comparison used in prior versions for string comparisons. You cannot specify multiple collations for an operation. For example, you cannot specify different collations per field, or if performing a find with a sort, you cannot use one collation for the find and another for the sort.
In mongosh , create a collection named myColl with the following documents:. The following operation includes the collation option and sets multi to true to update all matching documents:. The write result of the operation returns the following document, indicating that all three documents in the collection were updated:. Upon success, the WriteResult object contains the number of documents that matched the query condition, the number of documents inserted by the update, and the number of documents modified:.
If the db. The following table explains the possible values of WriteResult. Version 5. The modifications to apply.
Can be one of the following:. Update document. Replacement document. Aggregation pipeline Starting in MongoDB 4. When true , update either: Creates a new document if no documents match the query. For more details see upsert behavior. Updates a single document that matches the query. New in version 3. Document or string. The option can take an index specification document or the index name string.
If you specify an index that does not exist, the operation errors. New in version 4. To set to null. Can specify multi: true. Requires equality filter on the full shard key if upsert: true.
To set to a non- null value. Must be performed either inside a transaction or as a retryable write. Must specify multi: false. Requires equality filter on the full shard key if either: upsert: true , or if using a replacement document and the new shard key value belongs to a different shard. The write concern was specified in the application. The write concern originated from a custom defined default value.
See setDefaultRWConcern. The write concern originated from the replica set's settings. The write concern originated from the server in absence of all other write concern specifications. Can be one of the following: Update document. Note You cannot have an array filter document for an identifier if the identifier is not included in the update document. Viewed k times. Community Bot 1 1 1 silver badge. Luke Dennis Luke Dennis Add a comment. Active Oldest Votes.
From the shell you do a multi update by passing true as the fourth argument to update , where the the third argument is the upsert argument: db. Alex Blex I'm not sure about when this change happened but, Mongodb v2. See documentation: docs. Starting in v3. I've created a way to do this with a better interface.
Tyler Brock Tyler Brock TypeError: db. Tyler explained, that the syntax he proposes works with the Mongo-Hacker he built - not out of the box.
In the MongoDB Client, type: db. Boseam Boseam 2 2 silver badges 2 2 bronze badges. Yathish Manjunath Yathish Manjunath 1, 1 1 gold badge 11 11 silver badges 19 19 bronze badges. To Update Entire Collection, db. Isuru Amarathunga Isuru Amarathunga 1, 1 1 gold badge 15 15 silver badges 19 19 bronze badges. Python Advance.
Python NumPy. Python Pandas. Python Django. Python JSON. Python CSV. Python MySQL. Python MongoDB. Python OpenCV. Python Selenium. Python Tkinter. Python Kivy. Data Visualization. Python Examples and Quiz. Table of Contents. Improve Article. Save Article. Like Article. Created or Switched to collection.
0コメント