AggregateQueryPlatform class abstract

AggregateQueryPlatform represents the data at a particular location for retrieving metadata without retrieving the actual documents.

Inheritance
  • Object
  • PlatformInterface
  • AggregateQueryPlatform

Properties

hashCode → int
The hash code for this object.
no setterinherited
query → QueryPlatform
The QueryPlatform instance to which this AggregateQueryPlatform queries against to retrieve the metadata.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

average(String field) → AggregateQueryPlatform
Returns an AggregateQuerySnapshotPlatform with the average of the values of the documents that match the query.
count() → AggregateQueryPlatform
Returns an AggregateQuerySnapshotPlatform with the count of the documents that match the query.
get({required AggregateSource source}) → Future<AggregateQuerySnapshotPlatform>
Returns an AggregateQuerySnapshotPlatform with the count of the documents that match the query.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
sum(String field) → AggregateQueryPlatform
Returns an AggregateQuerySnapshotPlatform with the sum of the values of the documents that match the query.
toString() → String
A string representation of this object.
inherited

Operators

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

Static Methods

verify(AggregateQueryPlatform instance) → void
Throws an AssertionError if instance does not extend AggregateQueryPlatform.
override