updateOne()

MongoDB Driver Function Reference

Updates the first document in a collection that meets the filter criteria.
More information can be found in the corresponding entry of the MongoDB Manual.

<collection>.updateOne(<filter>, <update>[, <options>])

Arguments

<collection>		The target collection.
<filter>		A filter expression using query operators.
<update>		A BSON document containing the modifications to apply.
<options>		A BOSN document specifying options.

Options

{ upsert: <boolean>, arrayFilters: [<document>], collation: <document>, hint: <document>. }

upsert		Specifies if a document should be created if no document matches (default: false).
arrayFilters		An array of filter documents that determine which array elements to modify for an update operation on an array field.
collation		A document specifying the collation.
hint		A document specifying a hint.

Example

db.employees.updateOne({ salary: { $gt: 700000 }}, { $set: { bonus: 50000 }});

Sets the bonus in one document from the employee collection with a salary greater than 700000 to 50000.

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