MongoDB request DSL • opensavvy.ktmongo.dsl.command • BulkWrite • updateOne

updateOne

fun updateOne(options: UpdateOptions<Document>.() -> Unit = {}, filter: FilterQuery<Document>.() -> Unit = {}, update: UpdateQuery<Document>.() -> Unit)

Updates a single document that matches filter according to update.

If multiple documents match filter, only the first one found is updated.

Example

class User(
    val name: String,
    val age: Int,
)

collection.bulkWrite {
    updateOne(
        filter = { User::name eq "Patrick" },
        update = {
            User::age set 15
        }
    )
}

External resources

• Official documentation

See also

• BulkWrite.updateMany Update multiple documents.

• BulkWrite.insertOne Create a new document.

• BulkWrite.upsertOne Create a document if none are found.