Bulk.find.deleteOne()
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Definition
Bulk.find.deleteOne()
Adds a single document remove operation to a bulk operations list. Use the
Bulk.find()
method to specify the condition that determines which document to remove.Bulk.find.deleteOne()
only deletes the first matching document. To remove multiple documents, seeBulk.find.delete()
.
Syntax
The command has the following syntax:
Bulk.find( <filter document> ).deleteOne()
For details on the find()
method see: Bulk.find()
Compatibility
This command is available in deployments hosted in the following environments:
MongoDB Atlas: The fully managed service for MongoDB deployments in the cloud
Note
This command is supported in all MongoDB Atlas clusters. For information on Atlas support for all commands, see Unsupported Commands.
Example
Create the music
collection:
db.music.insertMany( [ { artist: "DOA", genre: "punk" }, { artist: "Rick Astley", genre: "pop" }, { artist: "Black Flag", genre: "punk" }, { artist: "Justin Bieber", genre: "pop" } ] )
The following example:
Initializes a
Bulk()
operations builder.Searches for the genre
pop
.Deletes
Rick Astley
, the first matching pop artist, from the collection.
var bulk = db.music.initializeOrderedBulkOp(); bulk.find( { "genre": "pop" } ).deleteOne(); bulk.execute()
To delete all "pop"
music, use Bulk.find.delete()
instead.