QueryExecute<OBJ, R> extension

Operations for query builders.

on

• QueryBuilder<OBJ, R, QOperations>

Methods

build() → IsarQuery<R>

Create a query from this query builder.

count() → int

Count how many objects match the query.

countAsync() → Future<int>

Count how many objects match the query.

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<R>

Find all objects that match this query.

findAllAsync({int? offset, int? limit}) → Future<List<R>>

Find all objects that match this query.

findFirst({int? offset}) → R?

Find the first object that matches this query or null if no object matches.

findFirstAsync({int? offset}) → Future<R?>

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.

isEmptyAsync() → Future<bool>

Yields true if there are no objects that match the query.

watch({bool fireImmediately = false, int? offset, int? limit}) → Stream<List<R>>

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.