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MongoDB request DSL • opensavvy.ktmongo.dsl.aggregation.operators • ArithmeticValueOperators • abs

abs

open fun <Context : Any, Result : Number?> abs(value: Value<Context, Result>): Value<Context, Result>

The absolute value of a number.

If the value is null or NaN, it is returned unchanged.

Example

class Sensor(
    val name: String,
    val startTemp: Int,
    val endTemp: Int,
    val diffTemp: Int,
)

collection.updateManyWithPipeline(filter = { Sensor::diffTemp.isNull() }) {
    set {
        Sensor::diffTemp set abs(of(Sensor::startTemp) - of(Sensor::endTemp))
    }
}

External resources