MongoDB request DSL • opensavvy.ktmongo.dsl.aggregation.operators • ArrayValueOperators • sortedDescending

sortedDescending

open fun <Context : Any, T> Value<Context, Collection<T>>.sortedDescending(): Value<Context, List<T>>

Sorts an array based on its elements, in descending order.

Example

class Player(
    val _id: ObjectId,
    val scores: List<Int>,
    val bestScores: List<Int>,
)

players.updateManyWithPipeline {
    set {
        Player::bestScores set Player::scores
            .sortedDescending()
            .take(5)
    }
}

External resources

• Official documentation

See also

• ArrayValueOperators.sortedBy Sort by fields of elements.

• ArrayValueOperators.sortedDescending Sort by fields of elements.

open fun <Context : Any, T> Field<Context, Collection<T>>.sortedDescending(): Value<Context, List<T>>

Sorts an array based on its elements, in descending order.

Example

class Player(
    val _id: ObjectId,
    val scores: List<Int>,
    val bestScores: List<Int>,
)

players.updateManyWithPipeline {
    set {
        Player::bestScores set Player::scores
            .sortedDescending()
            .take(5)
    }
}

External resources

• Official documentation

See also

• ArrayValueOperators.sortedBy Sort by fields of elements.

• ArrayValueOperators.sortedDescending Sort by fields of elements.

open fun <Context : Any, T> KProperty1<Context, Collection<T>>.sortedDescending(): Value<Context, List<T>>

Sorts an array based on its elements, in descending order.

Example

class Player(
    val _id: ObjectId,
    val scores: List<Int>,
    val bestScores: List<Int>,
)

players.updateManyWithPipeline {
    set {
        Player::bestScores set Player::scores
            .sortedDescending()
            .take(5)
    }
}

External resources

• Official documentation

See also

• ArrayValueOperators.sortedBy Sort by fields of elements.

• ArrayValueOperators.sortedDescending Sort by fields of elements.

open fun <Context : Any, T> Collection<T>.sortedDescending(): Value<Context, List<T>>

Sorts an array based on its elements, in descending order.

Example

class Player(
    val _id: ObjectId,
    val scores: List<Int>,
    val bestScores: List<Int>,
)

players.updateManyWithPipeline {
    set {
        Player::bestScores set Player::scores
            .sortedDescending()
            .take(5)
    }
}

External resources

• Official documentation

See also

• ArrayValueOperators.sortedBy Sort by fields of elements.

• ArrayValueOperators.sortedDescending Sort by fields of elements.