Query class

A datastore query.

A query consists of filters (kind, ancestor and property filters), one or more orders and a offset/limit pair.

All fields may be optional.

Example of building a Query: var person = ....; var query = new Query(ancestorKey: personKey, kind: 'Address')

Constructors

Query({Key? ancestorKey, String? kind, List<Filter>? filters, List<Order>? orders, int? offset, int? limit})

Properties

ancestorKey → Key?

Restrict the result set to entities which have this ancestorKey / parent.

final

filters → List<Filter>?

Restrict the result set by a list of property Filters.

final

hashCode → int

The hash code for this object.

no setter, inherited

kind → String?

Restrict the result set to entities of this kind.

final

limit → int?

Limit the number of entities returned to limit.

final

offset → int?

Skip the first offset entities in the result set.

final

orders → List<Order>?

Order the matching entities following the given property Orders.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited