QueryMixin<InstanceType extends ManagedObject> class Null safety

Implemented types

Constructors

QueryMixin()

Properties

canModifyAllInstances ↔ bool
Confirms that a query has no predicate before executing it.
read / writeoverride
context → ManagedContext
The ManagedContext this query will be executed on.
read-onlyinherited
entity → ManagedEntity
The ManagedEntity of the InstanceType.
read-onlyinherited
expressions ↔ List<QueryExpression>
read / write
fetchLimit ↔ int
Limits the number of objects returned from the Query.
read / writeoverride
hashCode → int
The hash code for this object.
read-onlyinherited
offset ↔ int
Offsets the rows returned.
read / writeoverride
pageDescriptor ↔ QueryPage?
read / write
predicate ↔ QueryPredicate?
A predicate for filtering the result or operation set.
read / writeoverride
propertiesToFetch → List<KeyPath>
read-only
reduce → QueryReduceOperation<InstanceType>
Returns a new object that can execute functions like sum, average, maximum, etc.
read-onlyinherited
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited
sortDescriptors ↔ List<QuerySortDescriptor>?
read / write
subQueries ↔ Map<ManagedRelationshipDescription, Query<ManagedObject>>?
read / write
timeoutInSeconds ↔ int
Number of seconds before a Query times out.
read / writeoverride
valueMap ↔ Map<String, dynamic>?
Values to be used when inserting or updating an object.
read / writeoverride
values ↔ InstanceType
Values to be sent to database during an update or insert query.
read / writeoverride

Methods

delete() → Future<int?>
Deletes InstanceTypes from the underlying database.
inherited
fetch() → Future<List<InstanceType>>
Fetches InstanceTypes from the database.
inherited
fetchOne() → Future<InstanceType?>
Fetches a single InstanceType from the database.
inherited
insert() → Future<InstanceType>
Inserts an InstanceType into the underlying database.
inherited
insertMany(List<InstanceType> objects) → Future<List<InstanceType>>
Inserts an InstanceTypes into the underlying database.
inherited
join<T extends ManagedObject>({T? object(InstanceType x)?, ManagedSet<T>? set(InstanceType x)?}) → Query<T>
Configures this instance to fetch a relationship property identified by object or set.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
pageBy<T>(T propertyIdentifier(InstanceType x), QuerySortOrder order, {T? boundingValue}) → void
Configures this instance to fetch a section of a larger result set.
override
returningProperties(List propertyIdentifiers(InstanceType x)) → void
Configures the list of properties to be fetched for InstanceType.
override
sortBy<T>(T propertyIdentifier(InstanceType x), QuerySortOrder order) → void
Configures this instance to sort its results by some property and order.
override
toString() → String
A string representation of this object.
inherited
update() → Future<List<InstanceType>>
Updates InstanceTypes in the underlying database.
inherited
updateOne() → Future<InstanceType?>
Updates an InstanceType in the underlying database.
inherited
validateInput(Validating op) → void
where<T>(T propertyIdentifier(InstanceType x)) → QueryExpression<T, InstanceType>
Selects a property from the object being queried to add a filtering expression.
override

Operators

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