KtMongo: MongoDB request DSL/opensavvy.ktmongo.dsl.query/FilterQuery/not

not

open fun <V> Field<T, V>.not(expression: FilterQueryPredicate<V>.() -> Unit, type: KType)(source)

infix inline fun <V> Field<T, V>.not(noinline expression: FilterQueryPredicate<V>.() -> Unit)(source)

infix inline fun <V> KProperty1<T, V>.not(noinline expression: FilterQueryPredicate<V>.() -> Unit)(source)

Performs a logical NOT operation on the specified expression and selects the documents that do not match the expression. This includes the elements that do not contain the field.

Example

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

collection.find {
    User::age not {
        hasType(BsonType.STRING)
    }
}

External resources

Official documentation