KtMongo: MongoDB request DSL/opensavvy.ktmongo.dsl.query/UpdateQuery

UpdateQuery

interface UpdateQuery<T> : CompoundBsonNode, FieldDsl(source)

DSL for MongoDB operators that are used to update existing values (does not include aggregation operators).

Example

This expression type is available on multiple operations, most commonly update:

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

collection.update(
    filter = {
        User::name eq "Bob"
    },
    update = {
        User::age set 18
    }
)

Operators

On regular fields:

On arrays:

Time management:

$currentDate

If you can't find the operator you're searching for, visit the tracking issue.

External resources

Official documentation

Inheritors

UpsertQuery

Properties

all

open val <E> KProperty1<T, Collection<E>>.all: Field<T, E>

open val <E> Field<T, Collection<E>>.all: Field<T, E>

The all positional operator: selects all elements of an array.

context

@LowLevelApi

abstract val context: BsonContext

The context used to generate this expression.

field

open val <Root, Type> KProperty1<Root, Type>.field: Field<Root, Type>

Converts a Kotlin property into a Field.

selected

open val <E> KProperty1<T, Collection<E>>.selected: Field<T, E>

open val <E> Field<T, Collection<E>>.selected: Field<T, E>

The positional operator: update an array item selected in the filter.

Functions

@LowLevelApi

@DangerousMongoApi

abstract override fun accept(node: BsonNode)

Adds a new node as a child of this one.

acceptAll

@LowLevelApi

@DangerousMongoApi

fun <N : Node> CompoundNode<N>.acceptAll(nodes: Iterable<N>)

Adds any number of nodes into this one.

addToSet

open infix fun <V> KProperty1<T, Collection<V>>.addToSet(value: V)

abstract infix fun <V> Field<T, Collection<V>>.addToSet(value: V)

Adds value at the end of the array, unless it is already present, in which case it does nothing.

open infix fun <V> KProperty1<T, Collection<V>>.addToSet(values: Iterable<V>)

open infix fun <V> Field<T, Collection<V>>.addToSet(values: Iterable<V>)

Adds multiple values at the end of the array, unless they are already present.

div

open operator fun <Root, Parent, Child> KProperty1<Root, Parent>.div(child: KProperty1<Parent & Any, Child>): Field<Root, Child>

open operator fun <Root, Type, Child> Field<Root, Type>.div(child: KProperty1<in Type & Any, Child>): Field<Root, Child>

open operator fun <Root, Type, Child> Field<Root, Type>.div(child: Field<Type, Child>): Field<Root, Child>

Refers to child as a nested field of the current field.

freeze

@LowLevelApi

abstract override fun freeze()

Makes this expression immutable.

get

open operator fun <Root, Type> KProperty1<Root, Collection<Type>>.get(index: Int): Field<Root, Type>

open operator fun <Root, Type> Field<Root, Collection<Type>>.get(index: Int): Field<Root, Type>

Refers to a specific item in an array, by its index.

open operator fun <Root, Type> KProperty1<Root, Map<String, Type>>.get(index: String): Field<Root, Type>

open operator fun <Root, Type> Field<Root, Map<String, Type>>.get(key: String): Field<Root, Type>

Refers to a specific item in a map, by its name.

inc

open infix fun <V : Number> KProperty1<T, V>.inc(amount: V)

abstract infix fun <V : Number> Field<T, V>.inc(amount: V)

Increments a field by the specified amount.

max

open infix fun <V : Comparable<V>> KProperty1<T, V?>.max(value: V)

abstract infix fun <V : Comparable<V>> Field<T, V?>.max(value: V)

Updates the value of a field to the specified value only if the specified value is greater than the current value of the field.

min

open infix fun <V : Comparable<V>> KProperty1<T, V?>.min(value: V)

abstract infix fun <V : Comparable<V>> Field<T, V?>.min(value: V)

Updates the value of a field to the specified value only if the specified value is less than the current value of the field.

mul

open infix fun <V : Number> KProperty1<T, V>.mul(amount: V)

abstract infix fun <V : Number> Field<T, V>.mul(amount: V)

Multiplies a field by the specified amount.

plusAssign

open operator fun <V : Number> KProperty1<T, V>.plusAssign(amount: V)

open operator fun <V : Number> Field<T, V>.plusAssign(amount: V)

Increments a field by the specified amount.

renameTo

open infix fun <V> KProperty1<T, V>.renameTo(newName: KProperty1<T, V>)

open infix fun <V> KProperty1<T, V>.renameTo(newName: Field<T, V>)

open infix fun <V> Field<T, V>.renameTo(newName: KProperty1<T, V>)

abstract infix fun <V> Field<T, V>.renameTo(newName: Field<T, V>)

Renames a field.

set

open infix fun <V> KProperty1<T, V>.set(value: V)

abstract infix fun <V> Field<T, V>.set(value: V)

Replaces the value of a field with the specified value.

setIf

open fun <V> KProperty1<T, V>.setIf(condition: Boolean, value: V)

open fun <V> Field<T, V>.setIf(condition: Boolean, value: V)

Replaces the value of a field with the specified value, if condition is true.

setToCurrentDate

open fun KProperty1<T, Instant?>.setToCurrentDate()

abstract fun Field<T, Instant?>.setToCurrentDate()

Sets this field to the current date.

@JvmName(name = "setToCurrentTimestamp")

open fun KProperty1<T, Timestamp?>.setToCurrentDate()

@JvmName(name = "setToCurrentTimestamp")

abstract fun Field<T, Timestamp?>.setToCurrentDate()

Sets this field to the current timestamp.

setUnless

open fun <V> KProperty1<T, V>.setUnless(condition: Boolean, value: V)

open fun <V> Field<T, V>.setUnless(condition: Boolean, value: V)

Replaces the value of a field with the specified value, if condition is false.

simplify

@LowLevelApi

abstract fun simplify(): BsonNode?

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

toBson

@LowLevelApi

open fun toBson(): Bson

Writes the result of simplifying to a new BSON document.

toString

abstract override fun toString(): String

JSON representation of this expression.

unsafe

open infix fun <Root, Child> KProperty1<Root, *>.unsafe(child: String): Field<Root, Child>

open infix fun <Root, Type, Child> Field<Root, Type>.unsafe(child: String): Field<Root, Child>

Refers to a field child of the current field, with no compile-time safety.

open infix fun <Root, Child> KProperty1<Root, *>.unsafe(child: KProperty1<*, Child>): Field<Root, Child>

open infix fun <Root, Child> KProperty1<Root, *>.unsafe(child: Field<*, Child>): Field<Root, Child>

open infix fun <Root, Child> Field<Root, *>.unsafe(child: KProperty1<*, Child>): Field<Root, Child>

open infix fun <Root, Child> Field<Root, *>.unsafe(child: Field<*, Child>): Field<Root, Child>

Refers to a field child of the current field, without checking that it is a field available on the current object.

unset

open fun <V> KProperty1<T, V>.unset()

abstract fun <V> Field<T, V>.unset()

Deletes a field.

writeTo

@LowLevelApi

abstract override fun writeTo(writer: BsonFieldWriter)

Writes the result of simplifying this expression into writer.

UpdateQuery

Example

Operators

External resources

See also

Inheritors

Properties

Functions