UpsertOne¶

class UpsertOne<Document : Any> : Command, AbstractBsonNode, AvailableInBulkWrite<Document>

Updating a single element in a collection, creating it if it doesn't exist.

users.upsertOne({ User::name eq "foo" }) {
    User::age set 18
}

Constructors¶

constructor(context: BsonContext)

@LowLevelApi



open val context: BsonContext

The context used to generate this expression.

val filter: FilterQuery<Document>

val options: UpdateOptions<Document>

val update: UpsertQuery<Document>

@LowLevelApi



open override fun freeze()

Makes this node immutable.

@LowLevelApi



open fun simplify(): AbstractBsonNode?

Returns a simplified (but equivalent) expression to the current expression.

@LowLevelApi



open fun toBson(): Bson

Writes the result of simplifying to a new BSON document.

fun toString(simplified: Boolean): String

JSON representation of this expression.

override fun toString(): String

JSON representation of this expression.

@LowLevelApi



override fun writeTo(writer: BsonFieldWriter)

Writes the result of simplifying this expression into writer.