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replaceOne()

MongoDB Driver Function Reference

Replaces a single document based on the specified filter.
More information can be found in the corresponding entry of the MongoDB Manual.

<collection>.replaceOne(<filter>, <replacement>[, <options>])

Arguments

<collection>		The target collection.
<filter>		A filter expression using query operators.
<replacement>		A BSON document to replace the document.
<options>		A BOSN document specifying options.

Options

{ projection: <document>, upsert: <boolean>, maxtime: <long>,
collation: <document>, hint: <document> }

projection		Defines a subset of fields to return.
upsert		Toggles an upsert.
maxtime		Specifies a time limit in milliseconds.
collation		A document specifying the collation.
hint		A document specifying a hint.

Return Value

Returns a result set (cursor).

Example

db.employees.replaceOne({ salary: { $gt: 700000 }}, { name: "Roo", firstname: "Kanga", age: 20, salary: 100000 });

replaces the first document from the employee collection with a salary greater than 700000.