Method EncryptExpression

Namespace

MongoDB.Driver.Encryption

Assembly

MongoDB.Driver.Encryption.dll

EncryptExpression(BsonDocument, EncryptOptions, CancellationToken)

Encrypts a Match Expression or Aggregate Expression to query a range index.

public BsonDocument EncryptExpression(BsonDocument expression, EncryptOptions encryptOptions, CancellationToken cancellationToken = default)

Parameters

expression BsonDocument

The expression that is expected to be a BSON document of one of the following forms: 1. A Match Expression of this form: {$and: [{"field": {$gt: "value1"}}, {"field": {$lt: "value2" }}]} 2. An Aggregate Expression of this form: {$and: [{$gt: ["fieldpath", "value1"]}, {$lt: ["fieldpath", "value2"]}] $gt may also be $gte. $lt may also be $lte.

encryptOptions EncryptOptions

The encryption options.

cancellationToken CancellationToken

The cancellation token.

Returns

BsonDocument

The encrypted expression.

Remarks

Only supported for queryType "range" The Range algorithm is experimental only. It is not intended for public use. It is subject to breaking changes.