IsarQuery<T> class abstract

Querying is how you find records that match certain conditions.

It is important to call close() when you are done with a query, otherwise you will leak resources.

Available Extensions

Constructors

IsarQuery()

Properties

hashCode → int
The hash code for this object.
no setterinherited
isar → Isar
The corresponding Isar instance.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

close() → void
Release all resources associated with this query.
count() → int
Finds the smallest value matching the query. Null values are considered smaller than all other values.
deleteAll({int? offset, int? limit}) → int
Delete all objects that match this query. Returns the number of deleted objects.
deleteFirst({int? offset}) → bool
Delete the first object that matches this query. Returns whether an object has been deleted.
exportJson({int? offset, int? limit}) → List<Map<String, dynamic>>
Export the results of this query as json.
findAll({int? offset, int? limit}) → List<T>
Find all objects that match this query.
findFirst({int? offset}) → T?
Find the first object that matches this query or null if no object matches.
isEmpty() → bool
Yields true if there are no objects that match the query.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited
updateProperties(Map<int, dynamic> changes, {int? offset, int? limit}) → int
This is a low level method to update objects.
watch({bool fireImmediately = false, int? offset, int? limit}) → Stream<List<T>>
Create a watcher that yields the results of this query whenever its results have (potentially) changed.
watchLazy({bool fireImmediately = false}) → Stream<void>
Watch the query for changes. If fireImmediately is true, an event will be fired immediately.

Operators

operator ==(Object other) → bool
The equality operator.
inherited